{
    "model": {
        "rank": 6375,
        "code": "thing-q6437",
        "model_id": "vr.tr.airbus-a300",
        "name": "Airbus A300",
        "purpose": "Enable an AI agent to recognise an Airbus A300, assess a particular airframe against its documented configuration and condition, and identify actions requiring applicable technical evidence and human authority.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q6437/",
        "tier": 2,
        "score": 60,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Airbus A300-600",
                "Airbus A300B1",
                "Airbus A300B2",
                "Airbus A300B4",
                "A300B4-100",
                "Airbus A300B4-200FF",
                "Airbus A300-620C",
                "Airbus A300-600F",
                "Airbus A300-600RF",
                "Airbus A310",
                "Airbus A300-600R",
                "Airbus A310-200",
                "Airbus A310-300"
            ],
            "aliasCount": 13,
            "merged": 13,
            "knownIn": 60,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q6437",
                "url": "https://www.wikidata.org/wiki/Q6437",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T14:09:47Z",
                "providers": [
                    "Codex",
                    "Grok"
                ],
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": 0.00431698,
                        "turns": 1,
                        "seconds": 164,
                        "error": null
                    },
                    "codex": {
                        "seconds": 87.2,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07c2f-78d3-71e1-ac8e-2d78d9b5981a\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Airbus A300\nRegistry id: vr.tr.airbus-a300\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q6437",
                "registryId": "vr.tr.airbus-a300",
                "name": "Airbus A300",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q6437/",
            "model": {
                "registry_id": "vr.tr.airbus-a300",
                "name": "Airbus A300",
                "purpose": "Enable an AI agent to recognise an Airbus A300, assess a particular airframe against its documented configuration and condition, and identify actions requiring applicable technical evidence and human authority.",
                "definition": "The Airbus A300 is a twin-aisle, twin-engine wide-body airliner, the first aircraft produced by Airbus Industrie and the first twin-engine wide-body to enter airline service, designed for short- to medium-haul high-capacity routes and later adapted as a freighter.",
                "scope_statement": "This model owns the identity, configuration, physical condition, capability limits and action prerequisites of Airbus A300 airframes under vr.tr.airbus-a300 in PHY / PHY.OBJ; it provisionally includes conventional A300 variants and freighter conversions, with specialised derivative boundaries left explicit.",
                "in_scope": [
                    "A300 family membership, certified variant and individual airframe identity",
                    "Installed engines, flight-deck configuration and embodied modifications",
                    "Passenger, factory-freighter or converted-freighter configuration",
                    "Airframe utilisation, structural condition and maintenance evidence",
                    "Configuration-specific loading, operating and ground-handling constraints"
                ],
                "out_of_scope": [
                    "Airline organisation, commercial strategy and fleet economics",
                    "Individual flight plans, air traffic control and live flight execution",
                    "Airport infrastructure as independently managed assets",
                    "Engine and component designs beyond their installation and condition relationships",
                    "Crew qualification records and maintenance-provider organisational approvals",
                    "A310 and A330 aircraft as separate aircraft types"
                ],
                "distinguishing_features": [
                    "Require an A300 model designation supported by manufacturer and airframe records; a shared certificate identifier cannot distinguish it from an A310 because EASA.A.172 covers both. [EASA type certificate](https://www.easa.europa.eu/en/document-library/type-certificates/aircraft-cs-25-cs-22-cs-23-cs-vla-cs-lsa/easaa172-airbus-a300)",
                    "Use twin-engine, widebody geometry as an initial recognition test, then compare fuselage, wing and door arrangement against the identified variant's drawings; the broad silhouette alone also fits neighbouring aircraft families.",
                    "Distinguish earlier A300 configurations from A300-600 configurations using the documented variant and modification history; a two-person cockpit alone is insufficient because Airbus also developed the A300 FFCC. [Airbus A300 history](https://www.airbus.com/en/newsroom/stories/2022-10-28-october-50th-anniversary-of-the-first-flight-of-the-airbus-a300)",
                    "Distinguish a factory freighter from a passenger-to-freighter conversion through production and approved conversion records; a main-deck cargo door establishes neither origin nor permitted loading.",
                    "Treat an A300-derived aircraft with a specialised enlarged cargo fuselage as a derivative-boundary case requiring explicit identification, rather than accepting it solely because its name contains A300."
                ],
                "characteristics": [
                    {
                        "name": "Certified model and variant",
                        "kind": "category",
                        "unit_or_values": "Exact designation from applicable type and airframe records; unresolved if evidence conflicts",
                        "why_it_matters": "Determines which limits, maintenance requirements and configuration claims apply."
                    },
                    {
                        "name": "Airframe identity",
                        "kind": "relation",
                        "unit_or_values": "Manufacturer serial number linked to manufacturer records and dated registration history",
                        "why_it_matters": "Keeps one physical aircraft identifiable through changes of operator, registration and role."
                    },
                    {
                        "name": "Installed propulsion configuration",
                        "kind": "relation",
                        "unit_or_values": "Engine position linked to installed engine model, serial number and applicable installation approval",
                        "why_it_matters": "Prevents capabilities and maintenance requirements from being transferred between incompatible installations."
                    },
                    {
                        "name": "Flight-deck configuration",
                        "kind": "category",
                        "unit_or_values": "Documented cockpit standard, approved minimum flight crew and relevant modifications",
                        "why_it_matters": "Separates configuration-dependent crew and equipment requirements within the A300 family."
                    },
                    {
                        "name": "Payload configuration",
                        "kind": "category",
                        "unit_or_values": "Passenger; factory freighter; converted freighter; other documented configuration; unresolved",
                        "why_it_matters": "Controls which occupancy, loading, restraint and compartment-protection evidence is needed."
                    },
                    {
                        "name": "Accumulated utilisation",
                        "kind": "measurement",
                        "unit_or_values": "Flight hours and flight cycles, each with an observation date and record continuity",
                        "why_it_matters": "Supports assessment of inspections and life limits without substituting calendar age for usage."
                    },
                    {
                        "name": "Applicable mass and balance envelope",
                        "kind": "measurement",
                        "unit_or_values": "Mass in kg; centre of gravity in the applicable approved reference system, including percent mean aerodynamic chord where specified",
                        "why_it_matters": "Allows proposed loads to be checked against the actual variant, modifications and weighing record."
                    },
                    {
                        "name": "Structural condition",
                        "kind": "state",
                        "unit_or_values": "Location-specific inspection, damage, corrosion and repair status with dates and evidence",
                        "why_it_matters": "Makes ageing-airframe and conversion-related concerns assessable at the affected structure."
                    },
                    {
                        "name": "Service and release status",
                        "kind": "state",
                        "unit_or_values": "Reported serviceable; restricted; under maintenance; stored; withdrawn; unknown, with supporting authority and date",
                        "why_it_matters": "Separates a recorded status from evidence authorising a particular subsequent action."
                    },
                    {
                        "name": "Embodied design changes",
                        "kind": "relation",
                        "unit_or_values": "Airframe linked to applicable modifications, conversions, repairs and their approval records",
                        "why_it_matters": "Explains departures from the production standard and changes to operating or maintenance constraints."
                    }
                ],
                "affordances": [
                    "Resolve an observed or documented aircraft to an A300 variant and individual airframe, retaining conflicting evidence.",
                    "Determine which technical documents and requirements apply to its installed configuration.",
                    "Screen a proposed passenger or cargo load against documented mass, balance, compartment and restraint limits.",
                    "Identify missing or overdue evidence that prevents a defensible serviceability assessment.",
                    "Assess whether a proposed airport stand, tow or servicing arrangement matches the identified A300 configuration.",
                    "Prepare evidence-backed maintenance, storage-return or conversion-review requests for authorised personnel."
                ]
            },
            "sources": [
                {
                    "id": "easa-tcds-a300",
                    "title": "EASA Type Certificate Data Sheet A.172 - Airbus A300, A310, A300-600ST",
                    "url": "",
                    "what_it_supports": "Type-certificate identity, variant designations, certified weights and engines for the A300 family.",
                    "url_status": "dead"
                },
                {
                    "id": "faa-tcds-a35eu",
                    "title": "FAA Type Certificate Data Sheet A35EU - Airbus A300",
                    "url": "https://rgl.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/A35EU",
                    "what_it_supports": "US type certification of the A300, variant list, and airworthiness limitations referenced by operators.",
                    "url_status": "unverified"
                },
                {
                    "id": "airbus-a300-family",
                    "title": "A300 / A310 family - product history and programme closure",
                    "url": "",
                    "what_it_supports": "Manufacturer description of the A300 as the first Airbus airliner, production span, and freighter/Beluga roles.",
                    "url_status": "dead"
                },
                {
                    "id": "wikidata-q6437",
                    "title": "Airbus A300 (Q6437)",
                    "url": "https://www.wikidata.org/wiki/Q6437",
                    "what_it_supports": "Stable identifier, ICAO type designators, and links among A300 variants.",
                    "url_status": "live"
                }
            ],
            "structure": {
                "bundles": [
                    {
                        "id": "a300-identity-and-applicability",
                        "name": "A300 identity and applicability",
                        "description": "Establish which A300 is being modelled and which evidence belongs to it.",
                        "rationale": "Family names, shared certification coverage and registration changes can otherwise attach the wrong limits to an airframe.",
                        "layers": [
                            {
                                "id": "family-and-variant-boundaries",
                                "name": "Family and variant boundaries",
                                "description": "Separate A300 membership from neighbouring types and specialised derivatives.",
                                "findings": [
                                    {
                                        "id": "supported-a300-designation",
                                        "name": "Supported A300 designation",
                                        "description": "The agent must retain the exact model designation and the evidence supporting inclusion in this registry entry.",
                                        "questions": [
                                            {
                                                "text": "Which manufacturer or certification record identifies this aircraft's exact A300 model designation?",
                                                "kind": "provenance",
                                                "id": "supported-a300-designation-q01"
                                            },
                                            {
                                                "text": "Does this designation describe a conventional A300 variant or a specialised derivative whose registry ownership remains unresolved?",
                                                "kind": "boundary",
                                                "id": "supported-a300-designation-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "airframe-record-continuity",
                                "name": "Airframe record continuity",
                                "description": "Connect the physical aircraft to its history and applicable documents.",
                                "findings": [
                                    {
                                        "id": "serial-number-and-effectivity",
                                        "name": "Serial number and document applicability",
                                        "description": "The agent must connect serial identity, registration history and document applicability without treating a registration as permanent identity.",
                                        "questions": [
                                            {
                                                "text": "What records connect the observed aircraft and current registration to its manufacturer serial number?",
                                                "kind": "provenance",
                                                "id": "serial-number-and-effectivity-q01"
                                            },
                                            {
                                                "text": "Which document revisions apply to this serial number, variant and embodied modifications?",
                                                "kind": "boundary",
                                                "id": "serial-number-and-effectivity-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "a300-installed-configuration",
                        "name": "A300 installed configuration",
                        "description": "Describe the propulsion, cockpit and system configuration actually present.",
                        "rationale": "An A300 family label does not establish installed engines, cockpit standard or equipment-dependent capability.",
                        "layers": [
                            {
                                "id": "propulsion-installation",
                                "name": "Propulsion installation",
                                "description": "Resolve both engine installations and their configuration-dependent constraints.",
                                "findings": [
                                    {
                                        "id": "installed-engine-compatibility",
                                        "name": "Installed engine compatibility",
                                        "description": "The agent must distinguish the approved engine options for a variant from the engines and associated equipment installed on this airframe.",
                                        "questions": [
                                            {
                                                "text": "Which engine model and serial number are installed at each position, and what installation records support them?",
                                                "kind": "provenance",
                                                "id": "installed-engine-compatibility-q01"
                                            },
                                            {
                                                "text": "Which performance and maintenance references apply to these particular installations?",
                                                "kind": "boundary",
                                                "id": "installed-engine-compatibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "cockpit-and-system-standard",
                                "name": "Cockpit and system standard",
                                "description": "Capture the cockpit generation and modifications affecting operational capability.",
                                "findings": [
                                    {
                                        "id": "crew-and-equipment-basis",
                                        "name": "Crew and equipment basis",
                                        "description": "The agent must establish crew and equipment requirements from the documented configuration, including any cockpit or avionics changes.",
                                        "questions": [
                                            {
                                                "text": "What cockpit standard and approved minimum flight crew apply to this A300?",
                                                "kind": "definition",
                                                "id": "crew-and-equipment-basis-q01"
                                            },
                                            {
                                                "text": "Which installed or unavailable systems change the prerequisites for the proposed operation?",
                                                "kind": "action",
                                                "id": "crew-and-equipment-basis-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "a300-payload-and-loading",
                        "name": "A300 payload and loading",
                        "description": "Connect passenger or freighter configuration to usable payload space and loading constraints.",
                        "rationale": "Production freighters and converted airframes require configuration-specific evidence; apparent cargo capacity is insufficient.",
                        "layers": [
                            {
                                "id": "payload-role-and-conversion",
                                "name": "Payload role and conversion",
                                "description": "Establish how the current cabin or cargo arrangement was authorised.",
                                "findings": [
                                    {
                                        "id": "documented-payload-arrangement",
                                        "name": "Documented payload arrangement",
                                        "description": "The agent must record the approved arrangement and, where relevant, the conversion basis governing doors, floor structure and compartment protection.",
                                        "questions": [
                                            {
                                                "text": "Was this A300 built for its current payload role or converted, and which records establish that history?",
                                                "kind": "provenance",
                                                "id": "documented-payload-arrangement-q01"
                                            },
                                            {
                                                "text": "Which approved seating or cargo-compartment arrangement matches the aircraft as inspected?",
                                                "kind": "definition",
                                                "id": "documented-payload-arrangement-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "load-distribution-and-restraint",
                                "name": "Load distribution and restraint",
                                "description": "Assess a candidate load against the actual aircraft's loading envelope.",
                                "findings": [
                                    {
                                        "id": "configuration-specific-load-feasibility",
                                        "name": "Configuration-specific load feasibility",
                                        "description": "The agent must relate total mass and centre of gravity to local floor, position, restraint and access constraints.",
                                        "questions": [
                                            {
                                                "text": "What current weighing record and approved limits define permissible mass, balance and local load distribution?",
                                                "kind": "measurement",
                                                "id": "configuration-specific-load-feasibility-q01"
                                            },
                                            {
                                                "text": "Does the proposed load fit the authorised positions, door access and restraint provisions of this A300 configuration?",
                                                "kind": "action",
                                                "id": "configuration-specific-load-feasibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "a300-structural-life-and-maintenance",
                        "name": "A300 structural life and maintenance",
                        "description": "Make usage, structural evidence and outstanding maintenance assessable for the identified airframe.",
                        "rationale": "Airframe age alone cannot establish the condition or remaining permitted use of a particular A300.",
                        "layers": [
                            {
                                "id": "usage-and-structural-history",
                                "name": "Usage and structural history",
                                "description": "Connect accumulated usage with inspections, damage and repairs.",
                                "findings": [
                                    {
                                        "id": "traceable-structural-condition",
                                        "name": "Traceable structural condition",
                                        "description": "The agent must preserve location-specific structural evidence, including repairs and conversion-affected areas where applicable.",
                                        "questions": [
                                            {
                                                "text": "What flight-hour and cycle totals are supported by continuous records, and where are the gaps?",
                                                "kind": "measurement",
                                                "id": "traceable-structural-condition-q01"
                                            },
                                            {
                                                "text": "Which inspections and repair records establish the condition of the fuselage, wings, empennage and any conversion-affected structure?",
                                                "kind": "provenance",
                                                "id": "traceable-structural-condition-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "requirements-and-release-evidence",
                                "name": "Requirements and release evidence",
                                "description": "Relate applicable maintenance requirements and defects to a proposed return to service.",
                                "findings": [
                                    {
                                        "id": "unresolved-maintenance-constraints",
                                        "name": "Unresolved maintenance constraints",
                                        "description": "The agent must distinguish completed work, deferred defects, outstanding requirements and missing evidence before recommending escalation or further review.",
                                        "questions": [
                                            {
                                                "text": "Which airworthiness directives, life limits and scheduled tasks apply to this variant, serial number and modification state, and what proves their status?",
                                                "kind": "provenance",
                                                "id": "unresolved-maintenance-constraints-q01"
                                            },
                                            {
                                                "text": "What outstanding work or missing release evidence must authorised personnel resolve before the proposed use?",
                                                "kind": "action",
                                                "id": "unresolved-maintenance-constraints-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "a300-use-and-ground-interface",
                        "name": "A300 use and ground interface",
                        "description": "Evaluate whether a proposed use and its supporting ground arrangements fit the documented aircraft.",
                        "rationale": "Neither advertised family performance nor compatibility with another widebody establishes suitability for this A300.",
                        "layers": [
                            {
                                "id": "operating-envelope-applicability",
                                "name": "Operating envelope applicability",
                                "description": "Connect proposed operating conditions to the correct aircraft limits and performance evidence.",
                                "findings": [
                                    {
                                        "id": "proposed-use-prerequisites",
                                        "name": "Proposed-use prerequisites",
                                        "description": "The agent must identify configuration, condition and approval dependencies before assessing mission suitability.",
                                        "questions": [
                                            {
                                                "text": "Which approved performance references cover this A300's variant, engines, mass and proposed environmental conditions?",
                                                "kind": "boundary",
                                                "id": "proposed-use-prerequisites-q01"
                                            },
                                            {
                                                "text": "Which aircraft limitations, equipment conditions and linked operational approvals must be checked for the proposed use?",
                                                "kind": "action",
                                                "id": "proposed-use-prerequisites-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "ground-handling-and-storage",
                                "name": "Ground handling and storage",
                                "description": "Relate aircraft dimensions, interfaces and preservation state to ground actions.",
                                "findings": [
                                    {
                                        "id": "supported-ground-action",
                                        "name": "Supported ground action",
                                        "description": "The agent must check the applicable aircraft instructions before supporting towing, servicing, loading or return from storage.",
                                        "questions": [
                                            {
                                                "text": "Which configuration-specific dimensions, clearances and interface specifications establish compatibility with the proposed stand and ground equipment?",
                                                "kind": "measurement",
                                                "id": "supported-ground-action-q01"
                                            },
                                            {
                                                "text": "What towing, servicing or depreservation prerequisites remain before the requested ground action?",
                                                "kind": "action",
                                                "id": "supported-ground-action-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "A300B2 (initial short-range passenger variant)",
                                            "A300B4 (extended-range passenger variant with centre-section fuel tank)",
                                            "A300-600 (later passenger series with A310-derived cockpit, wing and systems)",
                                            "A300-600R (extended-range -600 with tailplane trim tank)",
                                            "A300-600F / A300F4-600 (new-build freighter)",
                                            "A300-600ST Beluga (oversize outsize-cargo transporter)",
                                            "A300B4-200F / converted freighters (passenger-to-freighter conversions)",
                                            "A300C4 / convertible (passenger/freight mixed-configuration variants)"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of Airbus A300 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "scheme": "Wikidata",
                                                "value_or_pattern": "Q6437",
                                                "note": "Item for the Airbus A300 family."
                                            },
                                            {
                                                "scheme": "ICAO aircraft type designator",
                                                "value_or_pattern": "A30B (A300B2/B4); A306 (A300-600/600R/F)",
                                                "note": "Doc 8643 type designators used in flight plans and traffic data."
                                            },
                                            {
                                                "scheme": "IATA aircraft type code",
                                                "value_or_pattern": "AB3 / AB6 (and related three-letter codes by series)",
                                                "note": "Airline schedule and inventory coding; series-specific codes vary by data vendor."
                                            },
                                            {
                                                "scheme": "EASA type certificate",
                                                "value_or_pattern": "A.172 (A300 / A310 / A300-600ST)",
                                                "note": "European type certificate covering the A300 family and Beluga."
                                            },
                                            {
                                                "scheme": "FAA type certificate",
                                                "value_or_pattern": "A35EU",
                                                "note": "US type certificate for Airbus A300 models."
                                            },
                                            {
                                                "scheme": "Manufacturer serial number (MSN)",
                                                "value_or_pattern": "Airbus MSN nnn",
                                                "note": "Airframe identity used in production, registries and accident reports."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of Airbus A300 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-standards-and-regulation",
                                        "name": "Standards and regulation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "EASA CS-25 / former JAR-25 large-aeroplane airworthiness code (EASA) - type design of A300 variants on TCDS A.172",
                                            "FAA 14 CFR Part 25 transport-category airworthiness standards (FAA) - US validation under TCDS A35EU",
                                            "ICAO Annex 8 Airworthiness of Aircraft and Annex 16 environmental standards (ICAO) - international baseline applied at certification and operation",
                                            "ICAO Doc 8643 Aircraft Type Designators (ICAO) - A30B / A306 operational type codes",
                                            "National aircraft registers and continuing airworthiness (EASA Part-M/CAMO, FAA Part 121/129 as applicable) - in-service control of each MSN"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of Airbus A300 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Short- and medium-haul wide-body passenger service from 1974 (Air France, then other carriers), later largely displaced by A330/B767/B787 on those routes",
                                            "Converted and new-build freighters (A300B4-200F, A300-600F) remaining in express-package and general cargo fleets (e.g. FedEx, UPS, and third-party cargo operators)",
                                            "Airbus A300-600ST Beluga for outsize airframe-section transport between Airbus plants",
                                            "Military/government special missions on a small number of airframes (e.g. tanker/transport and testbed conversions) rather than as a production military type",
                                            "Parked, stored, or parted-out airframes at desert storage sites after passenger-fleet retirement"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of Airbus A300 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "quantity": "Typical overall length",
                                                "typical_range": "53.6 (A300B2/B4) to 54.1 (A300-600)",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Wingspan",
                                                "typical_range": "44.8 (early B2/B4) to 44.8-45.0 with later wingtip fences on -600",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Maximum takeoff weight",
                                                "typical_range": "about 142000 (early B2) to 171700 (A300-600R)",
                                                "unit": "kg"
                                            },
                                            {
                                                "quantity": "Typical two-class passenger capacity",
                                                "typical_range": "250-300 (high-density layouts above 300)",
                                                "unit": "seats"
                                            },
                                            {
                                                "quantity": "Range with typical payload",
                                                "typical_range": "about 3400 (early B2) to 7500 (A300-600R)",
                                                "unit": "km"
                                            },
                                            {
                                                "quantity": "Cruise speed",
                                                "typical_range": "Mach 0.78-0.82",
                                                "unit": "Mach"
                                            },
                                            {
                                                "quantity": "Engines (two turbofans)",
                                                "typical_range": "GE CF6-50/80C2 or PW JT9D/PW4000 series, roughly 227-275 kN thrust class each",
                                                "unit": "kN"
                                            },
                                            {
                                                "quantity": "Production",
                                                "typical_range": "561 aircraft including Beluga, 1971-2007",
                                                "unit": "airframes"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of Airbus A300 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "In-flight loss of control after uncommanded rudder deflection (notably AA587, 2001) leading to emphasis on rudder-pedal sensitivity, vertical-stabiliser load limits, and upset-recovery training on the type",
                                            "Controlled flight into terrain and approach accidents in the 1970s-1980s on early B2/B4 aircraft, typical of first-generation wide-body operations rather than a unique A300 design defect",
                                            "Cargo-door and fuselage structural issues on some converted freighters if conversion and continuing airworthiness are poorly controlled",
                                            "Engine-out and ETOPS-related operational limits: the A300 pioneered twin-engine wide-body operations but early aircraft were not ETOPS-long-range types in the modern 180-minute sense",
                                            "Fuel-tank and ageing-aircraft structural fatigue/corrosion on high-cycle, long-lived freighter airframes",
                                            "Wake-turbulence generation as a heavy wide-body; relevant to spacing behind the type",
                                            "Ground-handling damage (wingtips, cargo doors, pallets) especially on freighter ramps"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of Airbus A300 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "In airline and ATC speech the type is usually \"Airbus 300\" or \"A300\"; ICAO flight-plan codes A30B vs A306 are used rather than marketing names",
                                            "Passenger A300s left European and North American mainline fleets earlier than some Asian, Middle Eastern, and African operators, so remaining passenger examples are regionally concentrated",
                                            "Freighter conversions and express-package use are strongest in North America; Airbus in-house Beluga operations are Europe-centric",
                                            "Military and government special-mission conversions (Iran, Japan, and others historically) are nationally specific and not a standardised Airbus product line",
                                            "Russian/CIS usage historically used Latin \"A300\" designations in traffic, not a local type name"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of Airbus A300 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "name": "Airbus A310",
                                                "difference": "Shortened A300 derivative with a new wing; shorter fuselage (~46.7 m vs ~54 m) and different type designator (A310 / ICAO A310), not an A300 series."
                                            },
                                            {
                                                "name": "Airbus A330",
                                                "difference": "Later twin-aisle family (from 1990s) with fly-by-wire, different wing and systems; visually similar twin-engine wide-body but new type certificate (EASA A.004), ICAO A332/A333."
                                            },
                                            {
                                                "name": "Boeing 767",
                                                "difference": "US twin-engine wide-body competitor of similar era and role; two-crew from the start on later 767s vs early three-crew A300B2/B4; different type certificate and seven-abreast vs A300 eight-abreast economy."
                                            },
                                            {
                                                "name": "Boeing 747",
                                                "difference": "Four-engine, larger MTOW and capacity; not a twin. Upper-deck hump is the visual test."
                                            },
                                            {
                                                "name": "Airbus A300-600ST Beluga vs A300-600F",
                                                "difference": "Beluga has a bulbous upper cargo hold and cockpit below the cargo floor for outsize airframe parts; the -600F is a conventional main-deck freighter."
                                            },
                                            {
                                                "name": "McDonnell Douglas DC-10 / MD-11",
                                                "difference": "Trijets with a centre engine in the tail; three-engine layout separates them from the twin A300."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Airbus A300 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does registry ownership include A300 prototypes and specialised A300-600ST derivatives, or should those be linked to separate existing entries?",
                "Which exact production variants and approved passenger-to-freighter conversion programmes must the initial model support?",
                "Which authoritative manuals, configuration records and maintenance histories will be available for individual airframes, and how will missing evidence be represented?",
                "Which jurisdiction and operator context will determine the applicable requirements and authority for each proposed action?",
                "Which variant-specific structural concerns and inspection obligations can be established from current authoritative documents rather than generalisations about ageing aircraft?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 28
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "unclassified",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a Airbus A300, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise an Airbus A300, assess a particular airframe against its documented configuration and condition, and identify actions requiring applicable technical evidence and human authority.",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: Airbus A300-600, Airbus A300B1, Airbus A300B2, Airbus A300B4, A300B4-100, Airbus A300B4-200FF, Airbus A300-620C, Airbus A300-600F, Airbus A300-600RF, Airbus A310, Airbus A300-600R, Airbus A310-200.",
                "13 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 60 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a Airbus A300, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Recognised by form and material. The registry holds no appearance data, so what a Airbus A300 looks like has to come from research."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "Airbus A300-600",
                        "Airbus A300B1",
                        "Airbus A300B2",
                        "Airbus A300B4",
                        "A300B4-100",
                        "Airbus A300B4-200FF",
                        "Airbus A300-620C",
                        "Airbus A300-600F",
                        "Airbus A300-600RF",
                        "Airbus A310",
                        "Airbus A300-600R",
                        "Airbus A310-200"
                    ]
                }
            ],
            "standing": "Described in 60 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 13 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one Airbus A300 from another, and a Airbus A300 from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a Airbus A300 sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a Airbus A300 from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "form-and-composition",
                        "name": "Form, composition and condition",
                        "description": "What a Airbus A300 is made of, what shape and size it takes, and what state it is in.",
                        "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.",
                        "layers": [
                            {
                                "id": "form-and-dimensions",
                                "name": "Form and dimensions",
                                "description": "Shape, size, mass and the ranges these take across examples.",
                                "findings": [
                                    {
                                        "id": "measurable-dimensions",
                                        "name": "Measurable dimensions and their units",
                                        "description": "The quantities worth recording and the units they are recorded in.",
                                        "questions": [
                                            {
                                                "id": "measurable-dimensions-q01",
                                                "text": "What identifies and describes the dimensions of a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q02",
                                                "text": "Who or what asserted this about the dimensions of a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q03",
                                                "text": "What may an agent decide or do once the dimensions of a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "material-and-composition",
                                "name": "Material and composition",
                                "description": "Materials, parts and how they are put together.",
                                "findings": [
                                    {
                                        "id": "parts-and-materials",
                                        "name": "Parts and materials",
                                        "description": "What a Airbus A300 is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q02",
                                                "text": "Who or what asserted this about the composition of a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q03",
                                                "text": "What may an agent decide or do once the composition of a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-integrity",
                                "name": "Condition and integrity",
                                "description": "Wear, damage, health and the difference between working and broken.",
                                "findings": [
                                    {
                                        "id": "condition-assessment",
                                        "name": "Condition, damage and health",
                                        "description": "How the condition of a Airbus A300 is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q02",
                                                "text": "Who or what asserted this about the condition of a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q03",
                                                "text": "What may an agent decide or do once the condition of a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "place-and-movement",
                        "name": "Place and movement",
                        "description": "Where a Airbus A300 is, how it got there and where it may go (varies).",
                        "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                        "layers": [
                            {
                                "id": "location-and-placement",
                                "name": "Location and placement",
                                "description": "Position, containment and the reference frame the position is given in.",
                                "findings": [
                                    {
                                        "id": "position-and-frame",
                                        "name": "Position, container and reference frame",
                                        "description": "Where a Airbus A300 is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q02",
                                                "text": "Who or what asserted this about the location of a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q03",
                                                "text": "What may an agent decide or do once the location of a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "movement-and-transfer",
                                "name": "Movement and transfer",
                                "description": "How a Airbus A300 is carried, installed or relocated.",
                                "findings": [
                                    {
                                        "id": "movement-events",
                                        "name": "Movement events and constraints",
                                        "description": "What counts as a movement, what records it and what limits it.",
                                        "questions": [
                                            {
                                                "id": "movement-events-q01",
                                                "text": "What identifies and describes the movement of a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q02",
                                                "text": "Who or what asserted this about the movement of a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q03",
                                                "text": "What may an agent decide or do once the movement of a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a Airbus A300 passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a Airbus A300 between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a Airbus A300, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a Airbus A300 is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-and-operation",
                        "name": "Use and operation",
                        "description": "What can be done with a Airbus A300 and what it takes to do it.",
                        "rationale": "An agent that can recognise a thing but not act on it has only half a model.",
                        "layers": [
                            {
                                "id": "intended-use",
                                "name": "Intended use and function",
                                "description": "What a Airbus A300 is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a Airbus A300 performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q02",
                                                "text": "Who or what asserted this about the use of a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q03",
                                                "text": "What may an agent decide or do once the use of a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handling-and-procedure",
                                "name": "Handling and procedure",
                                "description": "The steps, skills and tools involved in using a Airbus A300.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a Airbus A300 at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q02",
                                                "text": "Who or what asserted this about handling a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q03",
                                                "text": "What may an agent decide or do once handling a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a Airbus A300 came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a Airbus A300 and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a Airbus A300 is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a Airbus A300, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a Airbus A300, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a Airbus A300 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 6,
                "layers": 13,
                "findings": 15,
                "questions": 45
            }
        }
    }
}