PA474 (RAF Battle of Britain Memorial Flight)
E170940
PA474 is one of only two airworthy Avro Lancaster bombers in the world, operated by the RAF Battle of Britain Memorial Flight as a flying memorial to those who served in Bomber Command during the Second World War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| PA474 (RAF Battle of Britain Memorial Flight) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1487718 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PA474 (RAF Battle of Britain Memorial Flight) Context triple: [Avro Lancaster, notablePreservedAircraft, PA474 (RAF Battle of Britain Memorial Flight)]
-
A.
Hawker P.1127
The Hawker P.1127 was an experimental British vertical/short takeoff and landing (V/STOL) jet aircraft that led directly to the development of the Harrier jump jet.
-
B.
Boulton Paul Defiant
The Boulton Paul Defiant was a British World War II fighter aircraft distinguished by its unusual turret-mounted armament and lack of forward-firing guns.
-
C.
BAE Systems Hawk T1
The BAE Systems Hawk T1 is a British single-engine jet trainer aircraft best known as the iconic mount of the Royal Air Force’s Red Arrows aerobatic display team.
-
D.
McDonnell Douglas Phantom FGR.2
The McDonnell Douglas Phantom FGR.2 was a British variant of the F-4 Phantom II multirole fighter aircraft, adapted for the Royal Air Force with Rolls-Royce Spey engines and specialized avionics for air defense and ground-attack roles.
-
E.
Supermarine Scimitar
The Supermarine Scimitar was a British carrier-based jet fighter-bomber of the 1950s and early 1960s, known for its swept-wing design and service with the Royal Navy’s Fleet Air Arm.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: PA474 (RAF Battle of Britain Memorial Flight) Target entity description: PA474 is one of only two airworthy Avro Lancaster bombers in the world, operated by the RAF Battle of Britain Memorial Flight as a flying memorial to those who served in Bomber Command during the Second World War.
-
A.
Hawker P.1127
The Hawker P.1127 was an experimental British vertical/short takeoff and landing (V/STOL) jet aircraft that led directly to the development of the Harrier jump jet.
-
B.
Boulton Paul Defiant
The Boulton Paul Defiant was a British World War II fighter aircraft distinguished by its unusual turret-mounted armament and lack of forward-firing guns.
-
C.
BAE Systems Hawk T1
The BAE Systems Hawk T1 is a British single-engine jet trainer aircraft best known as the iconic mount of the Royal Air Force’s Red Arrows aerobatic display team.
-
D.
McDonnell Douglas Phantom FGR.2
The McDonnell Douglas Phantom FGR.2 was a British variant of the F-4 Phantom II multirole fighter aircraft, adapted for the Royal Air Force with Rolls-Royce Spey engines and specialized avionics for air defense and ground-attack roles.
-
E.
Supermarine Scimitar
The Supermarine Scimitar was a British carrier-based jet fighter-bomber of the 1950s and early 1960s, known for its swept-wing design and service with the Royal Navy’s Fleet Air Arm.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
Avro Lancaster bomber
ⓘ
World War II-era bomber ⓘ military aircraft ⓘ |
| aircraftConfiguration | four‑engined heavy bomber ⓘ |
| aircraftType |
Avro Lancaster
ⓘ
surface form:
Avro Lancaster B.I
|
| airframeOrigin | World War II production Lancaster ⓘ |
| associatedWith | Battle of Britain Memorial Flight ⓘ |
| basedAt | RAF Coningsby ⓘ |
| category |
heritage aircraft
ⓘ
warbird ⓘ |
| commemorates | RAF Bomber Command operations in World War II ⓘ |
| conflictEra |
World War II
ⓘ
surface form:
Second World War
|
| country | United Kingdom ⓘ |
| dedicatedTo |
Bomber Command aircrew
ⓘ
those who served in Bomber Command during the Second World War ⓘ |
| hasMarkings | wartime-style RAF markings ⓘ |
| isAirworthy | true ⓘ |
| manufacturer | Avro ⓘ |
| namedAfter | its original RAF serial number ⓘ |
| oneOfOnly | two airworthy Avro Lancaster bombers in the world ⓘ |
| operator |
Battle of Britain Memorial Flight
ⓘ
surface form:
RAF Battle of Britain Memorial Flight
|
| ownedBy | Royal Air Force ⓘ |
| partOf |
Battle of Britain Memorial Flight
ⓘ
surface form:
RAF Battle of Britain Memorial Flight fleet
|
| preservationPurpose |
commemoration of wartime sacrifice
ⓘ
education about Bomber Command history ⓘ |
| preservationStatus | preserved and maintained in flying condition ⓘ |
| primaryMission | heritage and memorial flying ⓘ |
| propulsion | piston-engined ⓘ |
| registration | PA474 ⓘ |
| role | flying memorial ⓘ |
| serviceBranch | Royal Air Force ⓘ |
| status | operational display aircraft ⓘ |
| usedFor |
aerial displays
ⓘ
commemorative flypasts ⓘ historical remembrance ⓘ public events ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: PA474 (RAF Battle of Britain Memorial Flight) Description of subject: PA474 is one of only two airworthy Avro Lancaster bombers in the world, operated by the RAF Battle of Britain Memorial Flight as a flying memorial to those who served in Bomber Command during the Second World War.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.