Hawker P.1127
E60606
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.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Hawker P.1127 canonical | 5 |
| Hawker Siddeley Kestrel | 3 |
| Hawker Siddeley Harrier | 1 |
| Hawker Siddeley P.1127 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T368642 — 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: Hawker P.1127 Context triple: [Hawker Aircraft, notableProduct, Hawker P.1127]
-
A.
Hawker Hunter
The Hawker Hunter is a British transonic jet-powered fighter aircraft of the 1950s that became widely used by the Royal Air Force and numerous foreign air forces for both air defense and ground-attack roles.
-
B.
Hawker Hart
The Hawker Hart was a British two-seat biplane light bomber of the interwar period, renowned for its high performance and extensive service with the Royal Air Force in the 1930s.
-
C.
Hawker Fury
The Hawker Fury was a British single-seat biplane fighter aircraft of the interwar period, renowned for its speed, agility, and service with the Royal Air Force in the 1930s.
-
D.
Hawker Tempest
The Hawker Tempest was a British World War II fighter aircraft renowned for its high speed, low-level performance, and effectiveness against V-1 flying bombs and late-war German fighters.
-
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: Hawker P.1127 Target entity description: 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.
-
A.
Hawker Hunter
The Hawker Hunter is a British transonic jet-powered fighter aircraft of the 1950s that became widely used by the Royal Air Force and numerous foreign air forces for both air defense and ground-attack roles.
-
B.
Hawker Hart
The Hawker Hart was a British two-seat biplane light bomber of the interwar period, renowned for its high performance and extensive service with the Royal Air Force in the 1930s.
-
C.
Hawker Fury
The Hawker Fury was a British single-seat biplane fighter aircraft of the interwar period, renowned for its speed, agility, and service with the Royal Air Force in the 1930s.
-
D.
Hawker Tempest
The Hawker Tempest was a British World War II fighter aircraft renowned for its high speed, low-level performance, and effectiveness against V-1 flying bombs and late-war German fighters.
-
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 (48)
| Predicate | Object |
|---|---|
| instanceOf |
V/STOL aircraft
ⓘ
experimental aircraft ⓘ jet aircraft ⓘ prototype aircraft ⓘ |
| aircraftType |
single-engine jet
ⓘ
subsonic aircraft ⓘ |
| airframeMaterial | metal construction ⓘ |
| category |
British experimental aircraft
ⓘ
Harrier family ⓘ |
| configuration | single-seat ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| crew | 1 ⓘ |
| designer | Sydney Camm ⓘ |
| developer |
Hawker Aircraft
ⓘ
Hawker Siddeley ⓘ |
| engine |
Bristol Siddeley Pegasus
ⓘ
Pegasus vectored-thrust turbojet ⓘ |
| engineType | turbojet ⓘ |
| era | Cold War ⓘ |
| firstFlightDate | 1960-10-21 ⓘ |
| firstFlightLocation | Dunsfold Aerodrome ⓘ |
| firstHoverDate | 1960-10-21 ⓘ |
| intendedUse |
development of operational V/STOL fighter
ⓘ
evaluation of V/STOL flight ⓘ |
| introduced | early 1960s ⓘ |
| ledToDevelopmentOf |
Hawker Siddeley Harrier
ⓘ
surface form:
Harrier jump jet
Hawker Siddeley Harrier ⓘ |
| manufacturer |
Hawker Aircraft
ⓘ
Hawker Siddeley ⓘ |
| notableFeature |
ability to transition between vertical and conventional flight
ⓘ
vectored-thrust nozzles for lift and propulsion ⓘ |
| numberBuilt | 6 ⓘ |
| operator | Hawker test pilots ⓘ |
| programSponsor | United Kingdom Ministry of Aviation ⓘ |
| role |
V/STOL research aircraft
ⓘ
technology demonstrator ⓘ |
| status | retired ⓘ |
| successor |
Hawker Siddeley Harrier
ⓘ
Hawker P.1127 self-linksurface differs ⓘ
surface form:
Hawker Siddeley Kestrel
Kestrel FGA.1 ⓘ |
| tailConfiguration | conventional tailplane ⓘ |
| takeoffAndLandingType |
short takeoff and landing
ⓘ
vertical takeoff and landing ⓘ |
| thrustVectoring | yes ⓘ |
| usedFor |
V/STOL handling trials
ⓘ
engine development testing ⓘ flight testing ⓘ |
| wingConfiguration | high-mounted swept wing ⓘ |
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: Hawker P.1127 Description of subject: 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.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hawker Siddeley Harrier
this entity surface form:
Hawker Siddeley Kestrel
this entity surface form:
Hawker Siddeley Kestrel
this entity surface form:
Hawker Siddeley P.1127
this entity surface form:
Hawker Siddeley Kestrel