Northrop P-61 Black Widow
E733680
The Northrop P-61 Black Widow was a World War II-era American twin-engine night fighter, notable as the first U.S. aircraft designed specifically for radar-equipped night interception.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Northrop P-61 Black Widow canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8195929 — 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: Northrop P-61 Black Widow Context triple: [Pratt & Whitney R-2800 Double Wasp, usedInAircraft, Northrop P-61 Black Widow]
-
A.
Bell P-59 Airacomet
The Bell P-59 Airacomet was the first American jet fighter aircraft, serving primarily as a testbed that introduced the U.S. Army Air Forces to jet propulsion during World War II.
-
B.
Curtiss XP-55 Ascender
The Curtiss XP-55 Ascender was an experimental World War II–era American fighter prototype notable for its radical canard pusher configuration and unconventional aerodynamic design.
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C.
Lockheed XP-49
The Lockheed XP-49 was an experimental American twin-engine fighter prototype developed during World War II as an advanced, high-altitude derivative of the P-38 Lightning.
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D.
Bell YFM-1 Airacuda
The Bell YFM-1 Airacuda was an experimental American twin‑engine heavy fighter of the late 1930s, notable for its unconventional design featuring forward-firing cannon housed in engine nacelles and a role envisioned as a long-range bomber destroyer.
-
E.
Northrop F-89 Scorpion
The Northrop F-89 Scorpion was a twin-engine, all-weather jet interceptor developed in the late 1940s for the U.S. Air Force, notable for its role in Cold War air defense and its use of early guided missiles and rockets.
- 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: Northrop P-61 Black Widow Target entity description: The Northrop P-61 Black Widow was a World War II-era American twin-engine night fighter, notable as the first U.S. aircraft designed specifically for radar-equipped night interception.
-
A.
Bell P-59 Airacomet
The Bell P-59 Airacomet was the first American jet fighter aircraft, serving primarily as a testbed that introduced the U.S. Army Air Forces to jet propulsion during World War II.
-
B.
Curtiss XP-55 Ascender
The Curtiss XP-55 Ascender was an experimental World War II–era American fighter prototype notable for its radical canard pusher configuration and unconventional aerodynamic design.
-
C.
Lockheed XP-49
The Lockheed XP-49 was an experimental American twin-engine fighter prototype developed during World War II as an advanced, high-altitude derivative of the P-38 Lightning.
-
D.
Bell YFM-1 Airacuda
The Bell YFM-1 Airacuda was an experimental American twin‑engine heavy fighter of the late 1930s, notable for its unconventional design featuring forward-firing cannon housed in engine nacelles and a role envisioned as a long-range bomber destroyer.
-
E.
Northrop F-89 Scorpion
The Northrop F-89 Scorpion was a twin-engine, all-weather jet interceptor developed in the late 1940s for the U.S. Air Force, notable for its role in Cold War air defense and its use of early guided missiles and rockets.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
World War II military aircraft
ⓘ
night fighter aircraft ⓘ radar‑equipped fighter ⓘ twin‑engine aircraft ⓘ |
| armament |
4 × 0.50 in M2 Browning machine guns in dorsal turret
ⓘ
4 × 20 mm Hispano M2 cannon in ventral fuselage ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 3 ⓘ |
| designedFor | night interception ⓘ |
| emptyWeight | approximately 22,600 lb ⓘ |
| engineType | Pratt & Whitney R-2800 Double Wasp radial engine NERFINISHED ⓘ |
| firstFlight | 1942-05-26 ⓘ |
| height | approximately 14 ft 8 in ⓘ |
| introducedInConflict | World War II NERFINISHED ⓘ |
| landingGear | retractable tricycle landing gear ⓘ |
| length | approximately 49 ft 7 in ⓘ |
| manufacturer | Northrop Corporation NERFINISHED ⓘ |
| maximumSpeed | approximately 366 mph at 20,000 ft ⓘ |
| maxTakeoffWeight | approximately 36,200 lb ⓘ |
| notableFeature | first U.S. aircraft designed specifically as a radar‑equipped night fighter ⓘ |
| numberBuilt | approximately 706 ⓘ |
| numberOfEngines | 2 ⓘ |
| operatorPosition |
gunner seated in central position under turret
ⓘ
pilot seated in forward cockpit ⓘ radar operator seated in rear cockpit ⓘ |
| postwarDesignation | F-61 NERFINISHED ⓘ |
| powerplant | 2 × Pratt & Whitney R-2800-65 Double Wasp radial engines ⓘ |
| primaryMission | interception of enemy aircraft at night ⓘ |
| primaryRole | night fighter ⓘ |
| productionPeriod | 1943–1945 ⓘ |
| radarEquipment | SCR-720 radar NERFINISHED ⓘ |
| range | approximately 1,200 miles ⓘ |
| retiredFromUSService | late 1940s ⓘ |
| secondaryRole | intruder and ground‑attack missions ⓘ |
| serviceCeiling | approximately 33,100 ft ⓘ |
| serviceEntry | 1944 ⓘ |
| survivingExamples | several preserved in museums ⓘ |
| tailConfiguration | twin‑boom tail ⓘ |
| usedBy |
Chinese Nationalist Air Force
NERFINISHED
ⓘ
United States Air Force ⓘ United States Army Air Forces NERFINISHED ⓘ |
| usedInTheater |
China-Burma-India Theater
NERFINISHED
ⓘ
European Theater of Operations NERFINISHED ⓘ Pacific Theater of Operations NERFINISHED ⓘ |
| variant |
P-61A
NERFINISHED
ⓘ
P-61B NERFINISHED ⓘ P-61C NERFINISHED ⓘ |
| wingConfiguration | mid‑wing monoplane ⓘ |
| wingspan | approximately 66 ft ⓘ |
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: Northrop P-61 Black Widow Description of subject: The Northrop P-61 Black Widow was a World War II-era American twin-engine night fighter, notable as the first U.S. aircraft designed specifically for radar-equipped night interception.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.