{ "model": { "rank": 5184, "code": "thing-q185757", "model_id": "vr.tr.hovercraft", "name": "hovercraft", "purpose": "Enable an agent to recognise a hovercraft, assess its lift and manoeuvring readiness, and determine which movements its condition and operating limits permit.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q185757/", "tier": 2, "score": 69, "payload": { "layer": "wikidata", "aliases": [ "surface effect ship", "Griffon Hoverwork 12000TD", "SR.N3", "SAR hovercrafts in Sweden", "Mars-700", "SR.N4", "Griffon 2000TD hovercraft", "British Hovercraft Corporation BH.7", "Czilim-class hovercraft", "SR.N6", "Kongbang-class hovercraft", "British Hovercraft Corporation AP1-88", "Griffon-GRSE 8000 TD-class hovercraft", "A20", "Hoverwork BHT130", "Tuuli-class hovercraft", "SR.N5", "Patrol Air Cushion Vehicle", "radio-controlled hovercraft", "RNLI hovercraft lifeboat", "AeroRIK Dingo", "GEM Model 2500 Air-Car", "Hover cover", "SK-5", "Piroozan", "air-cushioned landing craft", "Hivus-10", "Utenok-class hovercraft", "Project 1206T Kalmar-T minesweeper", "Jingsah II-class LCAC", "Landing Craft Air Cushion (Light)", "LACV-30", "Type 726 LCAC", "Ship-to-Shore Connector" ], "aliasCount": 34, "merged": 34, "knownIn": 69, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.hovercraft", "source": { "dataset": "wikidata", "item": "Q185757", "url": "https://www.wikidata.org/wiki/Q185757", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-09T21:50:42Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 24.6, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\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: 01a08825-e3dd-7d80-bd9e-427a0fbeaf4c\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: hovercraft\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 1001 regi", "usd": 0, "recall": true }, "codex": { "seconds": 63, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\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: 01a08825-e3d7-7fb2-876e-2eed70b00b23\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: hovercraft\nRegistry id: vr.tr.hovercraft\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCo" } } }, "metaModel": { "id": "THING-Q185757", "registryId": "vr.tr.hovercraft", "name": "hovercraft", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q185757/", "model": { "registry_id": "vr.tr.hovercraft", "name": "hovercraft", "purpose": "Enable an agent to recognise a hovercraft, assess its lift and manoeuvring readiness, and determine which movements its condition and operating limits permit.", "definition": "A hovercraft is a vehicle supported above an underlying surface primarily by a continuously replenished cushion of pressurized air, usually retained by a flexible skirt, enabling travel over water, land or other sufficiently traversable surfaces.", "scope_statement": "This model owns the hovercraft as a registered kind of powered air-cushion vehicle, including the characteristics and evidence needed to assess particular designs and units without treating a product line or individual craft as the kind itself.", "in_scope": [ "Recognition by an actively maintained supporting air cushion", "Cushion containment, lift generation, propulsion and directional control", "Payload distribution, clearance and surface-dependent operating limits", "Operating transitions between resting, hovering and travelling", "Hovercraft-specific inspection, degradation and operational restrictions" ], "out_of_scope": [ "Hydrofoils supported by submerged lifting surfaces", "Wing-in-ground-effect craft supported primarily by aerodynamic wing lift", "Aircraft supported primarily by rotors or wings", "Engines, propellers and fans as independently modelled component kinds", "Ports, landing sites, routes and rescue missions as separate entities", "Manufacturer product catalogues and individual vehicle ownership histories" ], "distinguishing_features": [ "Its defining support mechanism is a cushion of air maintained beneath the craft by powered airflow, rather than displacement buoyancy alone.", "It can establish cushion support without the forward speed needed by a hydrofoil or wing-in-ground-effect craft.", "A peripheral skirt or another documented containment arrangement limits cushion leakage; a particular skirt construction is not assumed for every design.", "Lift generation and horizontal thrust have distinguishable functions, even when they share a power source.", "Amphibious capability must be established from the design and operating evidence; the hovercraft label alone does not establish permission to traverse land, water, ice or obstacles." ], "characteristics": [ { "name": "Cushion containment configuration", "kind": "category", "unit_or_values": "Flexible skirt configuration, rigid sidewall arrangement, other documented configuration, or unknown", "why_it_matters": "Establishes how the cushion is retained and helps resolve the boundary with other air-cushion craft." }, { "name": "Lift and propulsion arrangement", "kind": "category", "unit_or_values": "Shared or separate power sources; lift fan and thrust device types", "why_it_matters": "Identifies whether a single failure can remove both support and manoeuvring capability." }, { "name": "Energy source and available power", "kind": "measurement", "unit_or_values": "Energy carrier recorded separately; rated and available lift/propulsion power in kW", "why_it_matters": "Supports assessment of whether sufficient power remains for the loaded craft and conditions." }, { "name": "Loaded mass and payload allowance", "kind": "measurement", "unit_or_values": "kg, with loading condition and applicable design limit", "why_it_matters": "Cushion support and performance depend on total mass rather than passenger or cargo count alone." }, { "name": "Centre-of-gravity position", "kind": "measurement", "unit_or_values": "Longitudinal and transverse coordinates in m relative to a declared datum", "why_it_matters": "Load distribution affects trim, skirt contact and control." }, { "name": "Cushion pressure", "kind": "measurement", "unit_or_values": "Pa above ambient, with sensor location, load and operating state", "why_it_matters": "Provides evidence of lift condition when interpreted against the design's expected range." }, { "name": "Operating dimensions and clearance", "kind": "measurement", "unit_or_values": "Length, beam and rigid-structure clearance in m; distinguish resting and hovering configurations", "why_it_matters": "Determines physical access and obstacle exposure without confusing skirt depth with usable clearance." }, { "name": "Surface and environmental envelope", "kind": "relation", "unit_or_values": "Applicable documented limits for surface, slope in degrees, wind in m/s and wave height in m", "why_it_matters": "Connects a proposed movement to limits established for the particular design and loading condition." }, { "name": "Lift and travel state", "kind": "state", "unit_or_values": "Secured, starting, cushion established, travelling, settling, degraded, or unknown", "why_it_matters": "Determines which controls, inspections and boarding actions are appropriate." }, { "name": "Skirt and lift-system condition", "kind": "state", "unit_or_values": "Inspected serviceable, degraded within documented allowance, unserviceable, or unverified", "why_it_matters": "Connects leakage, damage and component condition to readiness." }, { "name": "Applicable operating authority", "kind": "relation", "unit_or_values": "Design manual, operating approval, inspection record and jurisdiction-specific requirements", "why_it_matters": "Prevents generic capabilities from being treated as permission for a particular craft or service." } ], "affordances": [ "Classify a candidate vehicle from evidence of its supporting mechanism and cushion containment.", "Assess whether the recorded load and its distribution fit the craft's documented limits.", "Compare a proposed route and surface transition with clearance and environmental restrictions.", "Identify whether lift, propulsion and steering evidence supports a requested operating transition.", "Flag skirt damage, fan faults or shared-power failures that require inspection or restrict movement.", "Identify missing design, inspection or approval evidence before declaring the craft ready." ] }, "sources": [], "structure": { "bundles": [ { "id": "air-cushion-identity", "name": "Air-cushion identity", "description": "Establishes what makes the registered thing a hovercraft and which configurations the entry covers.", "rationale": "Air-cushion, hydrofoil and ground-effect vehicles can be confused despite different support mechanisms.", "layers": [ { "id": "support-mechanism", "name": "Support mechanism", "description": "Identifies how the craft supports its operating weight.", "findings": [ { "id": "powered-cushion-support", "name": "Powered cushion support", "description": "Recognition should establish whether powered airflow maintains the supporting cushion beneath the craft.", "questions": [ { "text": "What evidence identifies an actively maintained air cushion as the craft's defining support mechanism?", "kind": "definition", "id": "powered-cushion-support-q01" }, { "text": "Can the craft establish cushion support at zero forward speed under its specified loading conditions?", "kind": "measurement", "id": "powered-cushion-support-q02" } ] } ] }, { "id": "configuration-boundaries", "name": "Configuration boundaries", "description": "Separates registry scope from design-specific configurations.", "findings": [ { "id": "containment-and-amphibious-scope", "name": "Containment and amphibious scope", "description": "Containment architecture and amphibious capability should be recorded independently instead of inferred from the name.", "questions": [ { "text": "Does this registry entry include rigid-sidewall surface-effect craft, or are they owned by a neighbouring entry?", "kind": "boundary", "id": "containment-and-amphibious-scope-q01" }, { "text": "Which design evidence establishes the craft's permitted operating surfaces?", "kind": "provenance", "id": "containment-and-amphibious-scope-q02" } ] } ] } ] }, { "id": "lift-and-cushion-integrity", "name": "Lift and cushion integrity", "description": "Connects lift generation, containment and loading to the ability to establish and sustain support.", "rationale": "An engine running does not establish that a hovercraft has an adequate supporting cushion.", "layers": [ { "id": "lift-generation", "name": "Lift generation", "description": "Records the lift airflow path and evidence of adequate cushion formation.", "findings": [ { "id": "loaded-lift-condition", "name": "Loaded lift condition", "description": "Lift assessment needs the loading condition, available lift power and design-specific indicators of cushion performance.", "questions": [ { "text": "What cushion pressure, fan speed or other indicators does the manual specify for the current loaded condition?", "kind": "measurement", "id": "loaded-lift-condition-q01" }, { "text": "What procedure establishes that the cushion is stable enough to begin travel?", "kind": "action", "id": "loaded-lift-condition-q02" } ] } ] }, { "id": "containment-and-trim", "name": "Containment and trim", "description": "Relates skirt or seal behaviour to leakage, clearance and load distribution.", "findings": [ { "id": "leakage-and-load-distribution", "name": "Leakage and load distribution", "description": "Containment damage and uneven loading need assessment against the actual cushion and skirt configuration.", "questions": [ { "text": "Which skirt or seal defects exceed the manufacturer's allowable condition?", "kind": "boundary", "id": "leakage-and-load-distribution-q01" }, { "text": "Does the recorded centre of gravity remain within the permitted envelope, and what trim or clearance observations support that assessment?", "kind": "measurement", "id": "leakage-and-load-distribution-q02" } ] } ] } ] }, { "id": "thrust-steering-and-stopping", "name": "Thrust, steering and stopping", "description": "Describes how the craft produces horizontal motion, controls heading and reduces speed.", "rationale": "Cushion support does not by itself establish directional control or stopping capability.", "layers": [ { "id": "power-and-control-coupling", "name": "Power and control coupling", "description": "Identifies dependencies among lift, thrust and steering.", "findings": [ { "id": "shared-failure-paths", "name": "Shared failure paths", "description": "The model should expose common power or control dependencies that can impair several functions together.", "questions": [ { "text": "Which engines, motors, transmissions or electrical supplies are shared between lift and propulsion?", "kind": "definition", "id": "shared-failure-paths-q01" }, { "text": "Which steering functions remain available after loss of each power source?", "kind": "action", "id": "shared-failure-paths-q02" } ] } ] }, { "id": "manoeuvring-performance", "name": "Manoeuvring performance", "description": "Connects available control authority to speed, wind and surface conditions.", "findings": [ { "id": "direction-and-deceleration", "name": "Direction and deceleration", "description": "Turning and stopping assessments require the craft's actual controls and condition-specific performance evidence.", "questions": [ { "text": "What turning and stopping performance is documented for the proposed speed, load, surface and wind?", "kind": "measurement", "id": "direction-and-deceleration-q01" }, { "text": "Which approved manoeuvre reduces speed, and does this design provide reverse thrust or another dedicated deceleration mechanism?", "kind": "action", "id": "direction-and-deceleration-q02" } ] } ] } ] }, { "id": "terrain-water-and-loading-envelope", "name": "Terrain, water and loading envelope", "description": "Determines whether the loaded craft can negotiate a proposed surface and its transitions.", "rationale": "Hovercraft capability varies with terrain geometry, water conditions, loading and the design's demonstrated limits.", "layers": [ { "id": "surface-transition-limits", "name": "Surface transition limits", "description": "Evaluates obstacles, slopes and shoreline geometry against the craft's configuration.", "findings": [ { "id": "clearance-and-crossing-evidence", "name": "Clearance and crossing evidence", "description": "Usable obstacle capability should come from documented limits rather than skirt height or nominal hovering clearance alone.", "questions": [ { "text": "What obstacle height, slope and transition geometry limits apply at the planned load?", "kind": "measurement", "id": "clearance-and-crossing-evidence-q01" }, { "text": "Does the proposed crossing match the surfaces and approach conditions covered by the operating evidence?", "kind": "boundary", "id": "clearance-and-crossing-evidence-q02" } ] } ] }, { "id": "water-and-weather-exposure", "name": "Water and weather exposure", "description": "Relates wind, waves and off-cushion behaviour to route suitability.", "findings": [ { "id": "environment-and-settling-condition", "name": "Environment and settling condition", "description": "Water operation requires evidence for both travel on cushion and the craft's condition after lift is lost or intentionally stopped.", "questions": [ { "text": "What wind and wave limits apply, and how are their measurement conventions defined?", "kind": "measurement", "id": "environment-and-settling-condition-q01" }, { "text": "What evidence establishes flotation, stability and water-ingress limitations when this loaded craft settles off cushion?", "kind": "provenance", "id": "environment-and-settling-condition-q02" } ] } ] } ] }, { "id": "readiness-and-operating-authority", "name": "Readiness and operating authority", "description": "Connects inspection evidence, operating states and applicable requirements to permitted actions.", "rationale": "A physically capable hovercraft may still lack the condition evidence or operating authority required for a particular use.", "layers": [ { "id": "inspection-and-degradation", "name": "Inspection and degradation", "description": "Assesses exposed lift and thrust machinery, containment wear and environment-related deterioration.", "findings": [ { "id": "hovercraft-serviceability", "name": "Hovercraft serviceability", "description": "Readiness should account for skirt wear, fan or propeller damage, intake obstruction and relevant corrosion or contamination.", "questions": [ { "text": "When were the skirt, lift fan, thrust device, guards and relevant drive components inspected, and what defects remain?", "kind": "provenance", "id": "hovercraft-serviceability-q01" }, { "text": "Which defects, abnormal vibrations or consumable shortages require repair, restricted operation or withdrawal from service?", "kind": "action", "id": "hovercraft-serviceability-q02" } ] } ] }, { "id": "state-transitions-and-requirements", "name": "State transitions and requirements", "description": "Identifies the evidence and safeguards needed to start, board, move and secure the craft.", "findings": [ { "id": "permitted-operating-transition", "name": "Permitted operating transition", "description": "Each requested transition should be checked against design procedures, fitted safeguards and the requirements of the intended service.", "questions": [ { "text": "What exclusion zones, boarding conditions, emergency stops and fitted interlocks apply before lift or propulsion is enabled?", "kind": "action", "id": "permitted-operating-transition-q01" }, { "text": "Which issuing bodies, rules, certificates or inspection regimes apply to this craft's jurisdiction and intended service, and where is their applicability documented?", "kind": "provenance", "id": "permitted-operating-transition-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-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This describes the vehicle kind, not a particular manufacturer's model or individual craft; terminology overlaps with air-cushion vehicle.", "Dimensions and speeds are approximate illustrative ranges, not specification limits; payload, sea-state capability and obstacle clearance require design-specific checking.", "Verify regulatory applicability and current editions against jurisdiction, voyage, size and service; no sources were consulted for this recall." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of hovercraft this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Recreational hovercraft", "Passenger and vehicle ferry hovercraft", "Military landing hovercraft", "Rescue hovercraft", "Industrial and survey hovercraft" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of hovercraft this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "scheme": "Manufacturer model designation and serial number", "value_or_pattern": "Manufacturer-specific model name or code and individual craft serial number", "note": "A model designation identifies a design or product line; a serial number identifies an individual craft." }, { "scheme": "IMO ship identification number", "value_or_pattern": "IMO followed by seven digits", "note": "Applicable to qualifying vessels rather than hovercraft universally." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of hovercraft this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "International Maritime Organization: International Code of Safety for High-Speed Craft, where applicable to the craft and its service.", "International Maritime Organization: International Regulations for Preventing Collisions at Sea, including provisions for air-cushion vessels operating in the non-displacement mode.", "International Maritime Organization: SOLAS requirements, where applicable to vessel size, voyage and service." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of hovercraft this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Passenger and vehicle transport across coastal waters and estuaries.", "Amphibious military transport between ships and shore.", "Rescue across ice, mudflats, shallow water and flooded terrain.", "Transport of personnel and equipment in wetlands and other areas with limited conventional access.", "Recreation and racing." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of hovercraft this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "quantity": "Overall length", "typical_range": "Approximately 3-6 for small recreational craft; 20-60 for large transport craft", "unit": "m" }, { "quantity": "Travel speed in suitable conditions", "typical_range": "Approximately 20-50 for many operational designs", "unit": "knots" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of hovercraft this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Skirt damage or excessive cushion leakage can reduce lift, increase drag and cause surface contact.", "Lift-fan, engine or power-transmission failure can cause loss of cushion support and abrupt deceleration.", "Propulsion or steering failure, crosswinds and limited surface traction can compromise directional control and stopping.", "Waves, steep slopes or obstacles beyond design limits can cause impact, instability or sudden bow contact with the surface.", "Exposed propellers, fan intakes, thrown debris, high noise levels and fuel fires present hazards to occupants and bystanders." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of hovercraft this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "Registration, inspection, operator qualifications and operating permissions vary by jurisdiction and by recreational, commercial or military use.", "Permission to operate over beaches, wetlands, inland waters and ice varies with local access and environmental rules." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of hovercraft this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ { "name": "Air-cushion vehicle", "difference": "The terms often overlap; air-cushion vehicle is also used as a broader category encompassing designs with different cushion-containment arrangements." }, { "name": "Surface-effect ship", "difference": "Typically retains its air cushion between rigid sidewalls immersed in water, making it waterborne rather than fully amphibious." }, { "name": "Hydrofoil", "difference": "Generates support through hydrodynamic lift on submerged foils while moving, rather than a pressurized air cushion." }, { "name": "Airboat", "difference": "Uses an air propeller for propulsion but normally relies on hull buoyancy or planing support rather than an air cushion." }, { "name": "Wing-in-ground-effect craft", "difference": "Obtains lift from forward motion of a wing near a surface rather than principally from a fan-maintained cushion." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of hovercraft this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry already contain an air-cushion vehicle or surface-effect ship model that determines this entry's boundary or provides its authoritative parent?", "Which authoritative definition should settle whether non-amphibious rigid-sidewall configurations belong within this hovercraft entry?", "Which primary manuals provide representative dimensions, payloads, cushion pressures and performance ranges without implying universal limits?", "Which operating and certification requirements apply across recreational, passenger, cargo and specialist uses in the jurisdictions the catalogue intends to support?", "Which documented failure mechanisms, including skirt-induced pitch events and loss of cushion over particular surfaces, require distinct assessment questions?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 19, "questions": 29 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "device, machine or tool", "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 hovercraft, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an agent to recognise a hovercraft, assess its lift and manoeuvring readiness, and determine which movements its condition and operating limits permit.", "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: surface effect ship, Griffon Hoverwork 12000TD, SR.N3, SAR hovercrafts in Sweden, Mars-700, SR.N4, Griffon 2000TD hovercraft, British Hovercraft Corporation BH.7, Czilim-class hovercraft, SR.N6, Kongbang-class hovercraft, British Hovercraft Corporation AP1-88.", "34 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 69 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 hovercraft, 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, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things." ], "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": [ "surface effect ship", "Griffon Hoverwork 12000TD", "SR.N3", "SAR hovercrafts in Sweden", "Mars-700", "SR.N4", "Griffon 2000TD hovercraft", "British Hovercraft Corporation BH.7", "Czilim-class hovercraft", "SR.N6", "Kongbang-class hovercraft", "British Hovercraft Corporation AP1-88" ] } ], "standing": "Described in 69 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 34 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 hovercraft from another, and a hovercraft 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 hovercraft, 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 hovercraft, 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 hovercraft 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 hovercraft, 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 hovercraft, 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 hovercraft 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 hovercraft 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 hovercraft, 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 hovercraft, 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 hovercraft 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 hovercraft from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a hovercraft, 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 hovercraft, 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 hovercraft 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 hovercraft 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 hovercraft, 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 hovercraft, 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 hovercraft 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 hovercraft is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a hovercraft, 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 hovercraft, 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 hovercraft 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 hovercraft is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a hovercraft, 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 hovercraft, 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 hovercraft 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 hovercraft 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 hovercraft is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a hovercraft, 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 hovercraft, 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 hovercraft 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 hovercraft 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 hovercraft, 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 hovercraft, 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 hovercraft 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 hovercraft 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 hovercraft between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a hovercraft, 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 hovercraft, 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 hovercraft 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 hovercraft, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a hovercraft 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 hovercraft, 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 hovercraft, 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 hovercraft is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "function-and-principle", "name": "Function and operating principle", "description": "What hovercraft is for and how it achieves it.", "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.", "layers": [ { "id": "intended-function", "name": "Intended function", "description": "The job it does, and the jobs it is used for anyway.", "findings": [ { "id": "function-record", "name": "Function, principle and variants", "description": "What it does, how, and which variants do it differently.", "questions": [ { "id": "function-record-q01", "text": "What function does hovercraft perform, on what operating principle, and which variants differ in that principle?", "kind": "definition" }, { "id": "function-record-q02", "text": "What use falls outside the intended function but happens in practice?", "kind": "boundary" } ] } ] }, { "id": "capacity-and-rating", "name": "Capacity and rating", "description": "The numbers that say what it can do and where it stops.", "findings": [ { "id": "ratings", "name": "Ratings and their conditions", "description": "Rated capacity, power, throughput and the conditions each assumes.", "questions": [ { "id": "ratings-q01", "text": "What ratings characterise hovercraft, in what units, and under what stated conditions?", "kind": "measurement" }, { "id": "ratings-q02", "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?", "kind": "action" } ] } ] } ] }, { "id": "operation-and-state", "name": "Operation, controls and state", "description": "How hovercraft is operated and what state it is in right now.", "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.", "layers": [ { "id": "controls-and-modes", "name": "Controls and modes", "description": "What can be set, what that changes, and what is interlocked.", "findings": [ { "id": "control-surface", "name": "Control surface and interlocks", "description": "The settings available and the conditions that block them.", "questions": [ { "id": "control-surface-q01", "text": "What controls and modes does hovercraft have, and what does each change?", "kind": "definition" }, { "id": "control-surface-q02", "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?", "kind": "action" } ] } ] }, { "id": "condition-and-maintenance", "name": "Condition and maintenance", "description": "Wear, service intervals, consumables and the line between working and broken.", "findings": [ { "id": "service-record", "name": "Condition, service and consumables", "description": "What is consumed, what is serviced, and how condition is judged.", "questions": [ { "id": "service-record-q01", "text": "What consumables and service does hovercraft need, at what interval, and on whose authority?", "kind": "measurement" }, { "id": "service-record-q02", "text": "What evidence separates a unit that is working from one that is out of service?", "kind": "boundary" } ] } ] } ] }, { "id": "kind-model-unit", "name": "Kind, model and unit", "description": "Whether a claim about hovercraft is about the kind, a product line, or one physical unit.", "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.", "layers": [ { "id": "level-of-reference", "name": "Level of reference", "description": "The three levels and what belongs at each.", "findings": [ { "id": "level-rules", "name": "What belongs to kind, model and unit", "description": "Which properties are shared by all of them and which are not.", "questions": [ { "id": "level-rules-q01", "text": "Which facts about hovercraft hold for every one of them, which for a model, and which only for one unit?", "kind": "boundary" }, { "id": "level-rules-q02", "text": "What identifies an individual unit, and what should an agent do when it has only the kind?", "kind": "action" } ] } ] }, { "id": "standards-and-conformity", "name": "Standards and conformity", "description": "The standards a working example must meet and who attests it.", "findings": [ { "id": "conformity", "name": "Standards, marks and attestation", "description": "Which standard applies, who certifies, and what the mark means.", "questions": [ { "id": "conformity-q01", "text": "Which standards govern hovercraft, issued by whom, and what does conformity actually assert?", "kind": "provenance" }, { "id": "conformity-q02", "text": "What may an agent conclude from a certification mark, and what may it not?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a hovercraft 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 hovercraft and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a hovercraft, 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 hovercraft, 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 hovercraft 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 hovercraft is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a hovercraft, 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 hovercraft, 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 hovercraft is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 8, "layers": 17, "findings": 19, "questions": 51 } } } }