{ "model": { "rank": 6481, "code": "thing-q155639", "model_id": "vr.tr.messerschmitt-bf-109", "name": "Messerschmitt Bf 109", "purpose": "Enable an AI agent to identify a Messerschmitt Bf 109, distinguish its documented configuration from its present condition, and determine which inspection, conservation, movement or operating actions are supported.", "family": "Thing Registry", "category": "Physical world and living systems", "status": "research-draft", "kind": "thing", "plane": "PHY", "domain": "PHY.OBJ", "industry": "", "version": "", "url": "/models/thing/q155639/", "tier": 2, "score": 60, "payload": { "layer": "wikidata", "aliases": [ "Bf 109B", "Bf 109F", "Bf 109A", "Bf 109C", "Bf 109E", "Bf 109K", "Bf 109B-1", "Hispano Aviación HA-1112", "Messerschmitt Bf 109Z", "Messerschmitt Bf 109 variants", "Messerschmitt Bf 109G", "Bf 109F-2", "Messerschmitt Bf 109F-4" ], "aliasCount": 13, "merged": 13, "knownIn": 60, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q155639", "url": "https://www.wikidata.org/wiki/Q155639", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T14:49:12Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.00954992, "turns": 1, "seconds": 164.6, "error": null }, "codex": { "seconds": 93.2, "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: 01a07c55-62c3-71e0-bb59-fe24f0228474\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Messerschmitt Bf 109\nRegistry id: vr.tr.messerschmitt-bf-109\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into thi" } } }, "metaModel": { "id": "THING-Q155639", "registryId": "vr.tr.messerschmitt-bf-109", "name": "Messerschmitt Bf 109", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q155639/", "model": { "registry_id": "vr.tr.messerschmitt-bf-109", "name": "Messerschmitt Bf 109", "purpose": "Enable an AI agent to identify a Messerschmitt Bf 109, distinguish its documented configuration from its present condition, and determine which inspection, conservation, movement or operating actions are supported.", "definition": "A German single-seat, single-engine, cantilever low-wing fighter (later also fighter-bomber and photo-reconnaissance aircraft) designed by Willy Messerschmitt and Robert Lusser at Bayerische Flugzeugwerke, first flown in 1935, designated Bf 109 by the Reichsluftfahrtministerium, and produced in more than thirty thousand airframes as the Luftwaffe's principal fighter from the Spanish Civil War through 1945.", "scope_statement": "This model owns recognition and assessment of the Bf 109 aircraft family and individual airframes under vr.tr.messerschmitt-bf-109 in PHY / PHY.OBJ, including variant attribution, configuration changes, surviving fabric and action constraints; related derivatives remain explicitly related pending a registry boundary decision.", "in_scope": [ "Bf 109 family membership, variant identification and uncertainty in attribution", "Individual airframe identity, manufacturing evidence and continuity through repairs or reconstruction", "Installed airframe, engine, propeller, cooling, cockpit and equipment configuration", "Structural condition, system completeness and evidence supporting present serviceability", "Historical configuration, restoration choices and permitted conservation or operating actions" ], "out_of_scope": [ "Independent models of engines, propellers, weapons and instruments beyond their installation relationships", "Pilot biographies, military units, campaigns and combat tactics", "Aircraft manufacturing organisations and their corporate histories", "Detailed flight instruction, maintenance procedures and weapons employment", "Scale models, simulator representations and unrelated aircraft with similar names", "General museum administration, ownership law and aviation certification systems" ], "distinguishing_features": [ "Compare the observed airframe with Bf 109 variant references using engine count, wing placement, landing-gear arrangement and cockpit layout together; a twin-engine Bf 110 must not pass a name-based match.", "Test an alleged Bf 109 against its proposed variant using wingtip outline, cooling openings, cowling contours, canopy and tail configuration; require agreement across several features rather than one silhouette cue.", "Check manufacturing records, structural identifiers and installed powerplant before accepting a Bf 109 attribution for an aircraft resembling an Avia or Hispano derivative; post-war versions included different engine installations. [RAF Museum collection reference](https://www.rafmuseum.org.uk/research/collections/messerschmitt-bf109g-2-trop/)", "Require correspondence between Werknummer evidence, surviving structure and documented history to distinguish an original airframe from a replica, composite reconstruction or aircraft painted to represent another identity." ], "characteristics": [ { "name": "Variant and modification attribution", "kind": "category", "unit_or_values": "Documented series, subtype and modification designations; disputed; unknown", "why_it_matters": "Determines which configuration references and limitations can apply." }, { "name": "Airframe identity evidence", "kind": "relation", "unit_or_values": "Links to Werknummer observations, manufacturing records, accession records and dated photographs", "why_it_matters": "Separates the physical aircraft's identity from painted markings or a display narrative." }, { "name": "Configuration at a stated date", "kind": "relation", "unit_or_values": "Dated association of airframe, engine, propeller, canopy, tail and equipment", "why_it_matters": "Prevents equipment fitted during restoration from being attributed to wartime service." }, { "name": "Identification dimensions", "kind": "measurement", "unit_or_values": "Wingspan and length in m, with configuration, method and uncertainty", "why_it_matters": "Supports comparison with the proposed variant and distinguishes full-size aircraft from representations." }, { "name": "Material continuity", "kind": "category", "unit_or_values": "Per assembly: original to airframe; period replacement; donor; reproduction; unknown", "why_it_matters": "Makes the basis of authenticity claims and conservation priorities explicit." }, { "name": "Assembly condition", "kind": "state", "unit_or_values": "Per assembly: assessed serviceable; defective; incomplete; unassessed, with inspection date and evidence", "why_it_matters": "A complete-looking aircraft may contain unsupported structure or nonfunctional systems." }, { "name": "Mass and balance assessment", "kind": "measurement", "unit_or_values": "Mass in kg and centre-of-gravity position relative to a stated datum, with loading configuration", "why_it_matters": "Supports handling and operating decisions after equipment substitutions or reconstruction." }, { "name": "Activity eligibility", "kind": "state", "unit_or_values": "Separately for display, access, movement, engine operation and flight: supported; restricted; prohibited; unknown", "why_it_matters": "Prevents museum completeness or historical performance from being mistaken for present operating approval." } ], "affordances": [ "Classify a candidate airframe and explain which observations support or contradict its Bf 109 attribution.", "Compare an aircraft's current configuration with a documented variant and historical date.", "Trace donor assemblies, replacement parts and identity claims through a reconstruction.", "Prioritise specialist inspection of discrepancies affecting structure, landing gear, cooling or controls.", "Evaluate a proposed restoration against a declared historical configuration and material-preservation objective.", "Determine whether evidence supports display, cockpit access, movement, engine operation or flight, and identify missing prerequisites." ] }, "sources": [ { "id": "wikipedia-bf109", "title": "Messerschmitt Bf 109", "url": "https://en.wikipedia.org/wiki/Messerschmitt_Bf_109", "what_it_supports": "Type history, variant families, production scale, operators, and the Bf versus Me designation practice.", "url_status": "live" }, { "id": "green-augsburg-eagle", "title": "Augsburg Eagle: The Story of the Messerschmitt Bf 109", "url": "", "what_it_supports": "Standard English-language development and variant account (William Green; Macdonald and Jane's / later reprints)." }, { "id": "janes-wwii-aircraft", "title": "Jane's Fighting Aircraft of World War II", "url": "", "what_it_supports": "Contemporary dimensional, engine and performance figures used as the baseline for measurements." } ], "structure": { "bundles": [ { "id": "identity-and-family-boundary", "name": "Identity and family boundary", "description": "Establish what makes the subject a Bf 109 and which individual airframe it represents.", "rationale": "Similar names, derivative aircraft and recreated markings can produce convincing but incorrect identifications.", "layers": [ { "id": "variant-recognition", "name": "Variant recognition", "description": "Assess family and subtype attribution from records and observed configuration.", "findings": [ { "id": "supported-variant-attribution", "name": "Supported variant attribution", "description": "Record the proposed variant, corroborating features and incompatible observations without forcing uncertain evidence into a precise subtype.", "questions": [ { "text": "Which manufacturing or technical records support the proposed Bf 109 series and subtype?", "kind": "provenance", "id": "supported-variant-attribution-q01" }, { "text": "Do the observed wing, cowling, cooling openings, canopy and tail match that attribution, or indicate later alteration?", "kind": "definition", "id": "supported-variant-attribution-q02" } ] } ] }, { "id": "airframe-continuity", "name": "Airframe continuity", "description": "Separate physical identity from aliases, display identities and related designs.", "findings": [ { "id": "identity-through-reconstruction", "name": "Identity through reconstruction", "description": "Link the claimed airframe to surviving identifiers and a documented chain of material continuity.", "questions": [ { "text": "Which Werknummer evidence belongs to surviving structure, and which identifiers come from replacement plates, donor parts or paint?", "kind": "provenance", "id": "identity-through-reconstruction-q01" }, { "text": "Does the evidence establish a Bf 109 airframe, a related derivative, a composite reconstruction or a replica requiring a separate relationship?", "kind": "boundary", "id": "identity-through-reconstruction-q02" } ] } ] } ] }, { "id": "variant-specific-installations", "name": "Variant-specific installations", "description": "Represent the actual combination of propulsion, cooling, airframe features and mission equipment.", "rationale": "A variant name alone cannot establish the compatibility or historical accuracy of installed assemblies.", "layers": [ { "id": "propulsion-and-cooling", "name": "Propulsion and cooling", "description": "Connect the installed engine and propeller to their supporting airframe systems.", "findings": [ { "id": "installed-powerplant-compatibility", "name": "Installed powerplant compatibility", "description": "Identify the installed engine, propeller and cooling arrangement, with evidence for their applicability to this airframe.", "questions": [ { "text": "Which engine and propeller models are installed, and what records establish their compatibility with this Bf 109 configuration?", "kind": "provenance", "id": "installed-powerplant-compatibility-q01" }, { "text": "Which mounts, cowling, coolant, oil and intake components differ from the selected historical configuration?", "kind": "definition", "id": "installed-powerplant-compatibility-q02" } ] } ] }, { "id": "airframe-and-equipment-fit", "name": "Airframe and equipment fit", "description": "Identify configuration changes that affect recognition, mass or historical interpretation.", "findings": [ { "id": "dated-equipment-baseline", "name": "Dated equipment baseline", "description": "Separate factory configuration, documented service modifications and present restoration substitutions.", "questions": [ { "text": "Which canopy, tail, radio, protective equipment and armament installations are evidenced for the selected date?", "kind": "provenance", "id": "dated-equipment-baseline-q01" }, { "text": "What installed, removed or dummy equipment changes the aircraft's measured mass and centre of gravity?", "kind": "measurement", "id": "dated-equipment-baseline-q02" } ] } ] } ] }, { "id": "airframe-and-system-condition", "name": "Airframe and system condition", "description": "Assess whether the Bf 109's surviving structure and installed systems support a proposed activity.", "rationale": "Restored appearance cannot establish structural integrity, landing-gear security or functional control systems.", "layers": [ { "id": "structure-and-ground-support", "name": "Structure and ground support", "description": "Assess primary structure and the assemblies carrying loads during storage or movement.", "findings": [ { "id": "documented-load-path-condition", "name": "Documented load-path condition", "description": "Record inspection evidence for wing attachments, fuselage structure, engine supports and landing-gear attachments.", "questions": [ { "text": "What inspections document corrosion, distortion, cracking or previous repair in this airframe's principal load paths?", "kind": "measurement", "id": "documented-load-path-condition-q01" }, { "text": "Do the landing gear, attachments and current supports permit the proposed standing, towing or lifting activity under the applicable instructions?", "kind": "action", "id": "documented-load-path-condition-q02" } ] } ] }, { "id": "controls-and-service-systems", "name": "Controls and service systems", "description": "Distinguish installed components from inspected and functional systems.", "findings": [ { "id": "system-readiness-evidence", "name": "System readiness evidence", "description": "Record the condition and test basis of flight controls, leading-edge devices, brakes and engine-support systems as applicable to the variant.", "questions": [ { "text": "Which controls and supporting systems have dated inspection or test evidence, and which are disconnected, immobilised or cosmetic?", "kind": "measurement", "id": "system-readiness-evidence-q01" }, { "text": "Which unresolved defects or missing components prevent the requested movement, engine operation or flight?", "kind": "action", "id": "system-readiness-evidence-q02" } ] } ] } ] }, { "id": "historical-fabric-and-restoration", "name": "Historical fabric and restoration", "description": "Explain what survives, what has been replaced and which historical appearance is being represented.", "rationale": "A Bf 109 can retain an airframe identity while incorporating donor assemblies and markings from a different aircraft.", "layers": [ { "id": "material-provenance", "name": "Material provenance", "description": "Track the origin of major assemblies and the evidence preserved within them.", "findings": [ { "id": "assembly-origin-map", "name": "Assembly origin map", "description": "Associate surviving structure, donor components and reproduction parts with their documented origins.", "questions": [ { "text": "Which fuselage, wing, tail and cockpit assemblies are traceable to the claimed airframe rather than another aircraft or modern manufacture?", "kind": "provenance", "id": "assembly-origin-map-q01" }, { "text": "Which undocumented joins or replacements limit claims about the aircraft's material continuity?", "kind": "boundary", "id": "assembly-origin-map-q02" } ] } ] }, { "id": "represented-historical-state", "name": "Represented historical state", "description": "Make restoration and display interpretation explicit.", "findings": [ { "id": "evidenced-restoration-target", "name": "Evidenced restoration target", "description": "Identify the date and aircraft identity represented by the finish and equipment, including acknowledged departures.", "questions": [ { "text": "What photographs or records support the selected camouflage, markings and visible equipment, and do they concern this airframe?", "kind": "provenance", "id": "evidenced-restoration-target-q01" }, { "text": "Would the proposed restoration remove surviving markings, repair evidence or original fabric, and how does that affect the declared conservation objective?", "kind": "action", "id": "evidenced-restoration-target-q02" } ] } ] } ] }, { "id": "activity-limits-and-authority", "name": "Activity limits and authority", "description": "Connect this aircraft's configuration and condition to evidence supporting specific actions.", "rationale": "Historical Bf 109 specifications and past flying status do not establish what a surviving aircraft may presently do.", "layers": [ { "id": "applicable-technical-basis", "name": "Applicable technical basis", "description": "Identify the instructions and limitations that actually apply to the assembled aircraft.", "findings": [ { "id": "configuration-matched-instructions", "name": "Configuration-matched instructions", "description": "Associate proposed activities with applicable technical references and documented deviations.", "questions": [ { "text": "Which manual editions and supplements match the airframe, engine, propeller and modifications now installed?", "kind": "provenance", "id": "configuration-matched-instructions-q01" }, { "text": "Which historical limits require reassessment because this survivor contains replacement structure or substituted equipment?", "kind": "boundary", "id": "configuration-matched-instructions-q02" } ] } ] }, { "id": "present-activity-decision", "name": "Present activity decision", "description": "Evaluate display, access, movement and operation separately.", "findings": [ { "id": "supported-action-status", "name": "Supported action status", "description": "Record the requested activity, supporting assessments, responsible authority and unresolved prerequisites.", "questions": [ { "text": "What current inspection evidence and responsible approvals support the specific requested activity for this airframe?", "kind": "action", "id": "supported-action-status-q01" }, { "text": "Are installed weapons, ammunition-related components and stored-energy systems assessed for the proposed access or operation, with unknown states explicitly unresolved?", "kind": "action", "id": "supported-action-status-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": [ "Bf 109 B/C/D (Jumo 210 early production; Spanish Civil War and Poland)", "Bf 109 E Emil (DB 601; France and Battle of Britain)", "Bf 109 F Friedrich (cleaned-up airframe and armament, 1940-41)", "Bf 109 G Gustav (DB 605; main wartime family, especially G-6, G-14, G-10)", "Bf 109 K Kurfürst (late-war high-power DB 605D/DCM series)", "Bf 109 T (carrier conversion for Graf Zeppelin, unused as such)", "Avia S-99 / S-199 (postwar Czechoslovak production; S-199 with Jumo 211)", "Hispano Aviación HA-1109 / HA-1112 Buchón (Spanish production with Hispano-Suiza or Rolls-Royce Merlin)" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of Messerschmitt Bf 109 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": "Q163647", "note": "Item for the Messerschmitt Bf 109 type, not a single airframe." }, { "scheme": "RLM aircraft type number", "value_or_pattern": "8-109 / Bf 109", "note": "Reichsluftfahrtministerium designation; Bf retains Bayerische Flugzeugwerke even after the firm became Messerschmitt AG." }, { "scheme": "Werknummer", "value_or_pattern": "W.Nr. nnnnnn (factory serial, often six digits on late airframes)", "note": "Airframe identity stamped on the data plate and used in Luftwaffe loss and acceptance records." }, { "scheme": "Stammkennzeichen", "value_or_pattern": "four-letter factory radio code (e.g. GJ+QJ)", "note": "Delivery and ferry identity before unit codes (Geschwaderkennung) were applied." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of Messerschmitt Bf 109 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": [ "Reichsluftfahrtministerium type designation, Baubeschreibung and Geräte-Handbuch for Bf 109 (RLM / Luftwaffe technical publications).", "Luftwaffe L.Dv. (Luftwaffendienstvorschriften) for operation, armament and maintenance.", "Postwar airworthy survivors: national civil rules for historic/ex-military aircraft (in the United States, FAA experimental-exhibition; in Europe, EASA Permit to Fly or national historic-aircraft regimes).", "Spanish Ejército del Aire acceptance of Hispano HA-1109/HA-1112; Czechoslovak military type acceptance of Avia S-99/S-199." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of Messerschmitt Bf 109 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": [ "Luftwaffe air-superiority, interceptor, Jabo fighter-bomber and reconnaissance from 1937 to 1945, including Legion Condor in Spain.", "Export and licence service with Finland, Hungary, Romania, Italy, Bulgaria, Slovakia, Switzerland, Yugoslavia and Spain.", "Postwar: Czechoslovak Avia S-199 in the 1948 Israeli war of independence; Spanish Buchóns in Ejército del Aire service into the 1960s and later as film stand-ins.", "Today: museum airframes, a small number of airworthy restorations and replicas at airshows, and the type as a reference object in aviation history and modelling." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of Messerschmitt Bf 109 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": "wingspan", "typical_range": "9.87-9.92 (standard production); about 11.08 on Bf 109 T", "unit": "m" }, { "quantity": "length", "typical_range": "8.55-9.02 depending on variant and spinner", "unit": "m" }, { "quantity": "empty weight", "typical_range": "about 1500 (early Jumo) to 2700 (late G/K)", "unit": "kg" }, { "quantity": "maximum take-off weight", "typical_range": "about 2200-3400", "unit": "kg" }, { "quantity": "maximum level speed", "typical_range": "about 460 (early B/D) to 720-750 (K-4 with boost)", "unit": "km/h" }, { "quantity": "service ceiling", "typical_range": "about 8000-12500", "unit": "m" }, { "quantity": "internal fuel", "typical_range": "about 400 on typical G-series fuselage tank", "unit": "L" }, { "quantity": "engine power (take-off / emergency)", "typical_range": "about 700 (Jumo 210) to 1800-2000 (DB 605DC with MW 50)", "unit": "PS" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of Messerschmitt Bf 109 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": [ "Ground loops, gear-leg collapse and nose-overs caused by the narrow-track, outward-retracting landing gear and high centre of gravity - the type's most notorious operational accident pattern.", "Take-off swing from propeller torque and slipstream on the fin, especially with high-power DB 605 installations.", "Rapid engine seizure after combat hits to the liquid-cooling radiators, header tank or coolant lines.", "DB 605 overheating, bearing and connecting-rod failures, worsened by late-war fuel quality and emergency boost.", "Fire and explosion risk from the fuselage fuel tank immediately behind the cockpit; self-sealing reduced but did not remove it.", "MW 50 methanol-water boost: corrosive, toxic fluid and a pressurised system that can leak into the cockpit or fail under fire.", "Poor forward view on the ground (tail-dragger, long inverted-V nose) and restricted rearward view on early canopies.", "High landing speed and abrupt stall once automatic leading-edge slats are damaged or asymmetric.", "Control heaviness and structural overstress in high-Mach dives; tail-unit failures occurred on some early and heavily boosted aircraft." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of Messerschmitt Bf 109 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": [ "Official German usage remained Bf 109; Allied English and much popular German usage is Me 109, after Messerschmitt AG (from 1938), which was never the RLM type prefix.", "Finland: colloquial 'Mersu' for the type in Ilmavoimat service.", "Spain: Hispano HA-1109/HA-1112 known as Buchón; Merlin-engined examples are the airframes most often seen flying today.", "Czechoslovakia: Avia S-99 (DB 605) and S-199 (Jumo 211); the S-199 was nicknamed Mezek (mule).", "Israel: Avia S-199 known as Sakeen (knife) in 1948 service.", "Switzerland: assembled and later purchased Bf 109 E and G in Swiss markings; retired 1949." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of Messerschmitt Bf 109 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": "Focke-Wulf Fw 190 (A-series)", "difference": "BMW 801 radial and wide-track inward-retracting gear versus the Bf 109's inverted-V12 and narrow outward-retracting gear; the 109 also has automatic leading-edge slats the 190 A lacks." }, { "name": "Supermarine Spitfire", "difference": "Elliptical wing and underwing radiators versus the 109's straight-taper wing with leading-edge slats and a chin/under-nose coolant radiator; Spitfire main gear retracts outward, 109 gear inward toward the fuselage." }, { "name": "Hispano HA-1112 Buchón", "difference": "Same airframe family, but a Rolls-Royce Merlin (or earlier Hispano-Suiza) with a deep chin intake instead of a Daimler-Benz inverted V12 and its smaller under-nose radiator." }, { "name": "Messerschmitt Bf 110", "difference": "Twin-engine two/three-seat Zerstörer; the shared Bf prefix and Messerschmitt origin are the usual source of confusion, not the silhouette." }, { "name": "Macchi C.202 / C.205", "difference": "Licence DB 601/605 in a similar small inline fighter, but Italian wing, undercarriage and radiator arrangement; no Bf 109-style square-cut later wingtips or identical canopy framing." }, { "name": "Hawker Hurricane", "difference": "Thicker wing, fabric-covered rear fuselage and a large under-chin radiator bath; gear and cockpit geometry differ and there are no 109-style automatic slats." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Messerschmitt Bf 109 this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Where should this registry entry draw its boundary around Avia and Hispano derivatives, licensed production and aircraft subsequently converted to resemble wartime Bf 109 variants?", "Which primary references reliably distinguish Bf 109 subtypes and modification combinations when manufacturing records or identifying plates are absent?", "What evidence should establish continuity of an individual airframe when major assemblies come from several wrecks or modern replacements?", "Which surviving technical manuals and later engineering assessments apply to restored aircraft with substituted engines, propellers or structural materials?", "What minimum evidence should support each activity status when historical completeness, conservation condition and operational serviceability differ?" ], "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 Messerschmitt Bf 109, record what state it is in, and decide what may be done with it.", "whatItIs": "Enable an AI agent to identify a Messerschmitt Bf 109, distinguish its documented configuration from its present condition, and determine which inspection, conservation, movement or operating actions are supported.", "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: Bf 109B, Bf 109F, Bf 109A, Bf 109C, Bf 109E, Bf 109K, Bf 109B-1, Hispano Aviación HA-1112, Messerschmitt Bf 109Z, Messerschmitt Bf 109 variants, Messerschmitt Bf 109G, Bf 109F-2.", "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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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": [ "Bf 109B", "Bf 109F", "Bf 109A", "Bf 109C", "Bf 109E", "Bf 109K", "Bf 109B-1", "Hispano Aviación HA-1112", "Messerschmitt Bf 109Z", "Messerschmitt Bf 109 variants", "Messerschmitt Bf 109G", "Bf 109F-2" ] } ], "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 Messerschmitt Bf 109 from another, and a Messerschmitt Bf 109 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 is built from and which parts are replaceable.", "questions": [ { "id": "parts-and-materials-q01", "text": "What identifies and describes the composition of a Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 is judged and by whom.", "questions": [ { "id": "condition-assessment-q01", "text": "What identifies and describes the condition of a Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 is, and what that position is measured against.", "questions": [ { "id": "position-and-frame-q01", "text": "What identifies and describes the location of a Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a Messerschmitt Bf 109 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 is for, and what it is used for anyway.", "findings": [ { "id": "function-and-purpose", "name": "Function, purpose and misuse", "description": "The function a Messerschmitt Bf 109 performs and the uses that fall outside it.", "questions": [ { "id": "function-and-purpose-q01", "text": "What identifies and describes the use of a Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109.", "findings": [ { "id": "procedures-and-skills", "name": "Procedures, skills and required tools", "description": "What an agent needs before it can act on a Messerschmitt Bf 109 at all.", "questions": [ { "id": "procedures-and-skills-q01", "text": "What identifies and describes handling a Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 Messerschmitt Bf 109 is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a Messerschmitt Bf 109, 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 Messerschmitt Bf 109, 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 Messerschmitt Bf 109 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 } } } }