Northrop A-17
E939977
The Northrop A-17 was a 1930s American single-engine, low-wing attack bomber used primarily by the U.S. Army Air Corps and several foreign air forces before and during the early years of World War II.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Northrop A-17 canonical | 2 |
| Vultee V-11 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11617700 — 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 A-17 Context triple: [Wright R-1820, usedOnAircraft, Northrop A-17]
-
A.
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.
-
B.
Douglas B-18 Bolo
The Douglas B-18 Bolo was an American twin‑engine medium bomber of the late 1930s and early World War II, used primarily for patrol, training, and anti-submarine duties before being superseded by more advanced aircraft.
-
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.
Lockheed Model 26
The Lockheed Model 26 is the internal company designation for the Lockheed P2V Neptune, a long-range maritime patrol and anti-submarine warfare aircraft developed in the mid-20th century.
-
E.
Northrop P-61 Black Widow
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.
- 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 A-17 Target entity description: The Northrop A-17 was a 1930s American single-engine, low-wing attack bomber used primarily by the U.S. Army Air Corps and several foreign air forces before and during the early years of World War II.
-
A.
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.
-
B.
Douglas B-18 Bolo
The Douglas B-18 Bolo was an American twin‑engine medium bomber of the late 1930s and early World War II, used primarily for patrol, training, and anti-submarine duties before being superseded by more advanced aircraft.
-
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.
Lockheed Model 26
The Lockheed Model 26 is the internal company designation for the Lockheed P2V Neptune, a long-range maritime patrol and anti-submarine warfare aircraft developed in the mid-20th century.
-
E.
Northrop P-61 Black Widow
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
attack aircraft
ⓘ
light bomber ⓘ low‑wing monoplane ⓘ single‑engine aircraft ⓘ |
| aircraftCategory | military aircraft ⓘ |
| armament |
defensive machine gun in rear cockpit
ⓘ
forward‑firing machine guns ⓘ internal bomb load ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 2 ⓘ |
| designationByUSArmyAirCorps | A-17 NERFINISHED ⓘ |
| developedFrom | Northrop Gamma NERFINISHED ⓘ |
| engineConfiguration | single radial engine ⓘ |
| engineType | Pratt & Whitney R-1535 Twin Wasp Junior NERFINISHED ⓘ |
| era | 1930s ⓘ |
| exportVariant | Northrop Model 8A NERFINISHED ⓘ |
| firstFlight | 1935 ⓘ |
| fuselageType | all‑metal monoplane ⓘ |
| introduced | 1936 ⓘ |
| landingGear | fixed landing gear ⓘ |
| manufacturer | Northrop Corporation NERFINISHED ⓘ |
| maximumSpeed | approximately 220 mph ⓘ |
| notableFeature | internal bomb bay with external racks on some variants ⓘ |
| numberBuilt | over 400 ⓘ |
| operatorRole | attack bomber ⓘ |
| powerplantCount | 1 ⓘ |
| primaryRole | ground attack ⓘ |
| range | approximately 650 miles ⓘ |
| retired | early 1940s ⓘ |
| secondaryRole | light bombing ⓘ |
| serviceCeiling | approximately 22,000 ft ⓘ |
| successor | Douglas A-20 Havoc NERFINISHED ⓘ |
| tailConfiguration | conventional tail ⓘ |
| usedBy |
Iraqi Air Force
NERFINISHED
ⓘ
Norwegian Air Force NERFINISHED ⓘ Peruvian Air Force NERFINISHED ⓘ Royal Air Force ⓘ Royal Canadian Air Force NERFINISHED ⓘ Royal Netherlands East Indies Army Air Force NERFINISHED ⓘ South African Air Force NERFINISHED ⓘ Swedish Air Force NERFINISHED ⓘ United States Army Air Corps NERFINISHED ⓘ |
| usedInConflict | World War II ⓘ |
| usedInPeriod | interwar period ⓘ |
| variant |
Northrop A-17A
NERFINISHED
ⓘ
Northrop A-17AS NERFINISHED ⓘ |
| wingConfiguration | low 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: Northrop A-17 Description of subject: The Northrop A-17 was a 1930s American single-engine, low-wing attack bomber used primarily by the U.S. Army Air Corps and several foreign air forces before and during the early years of World War II.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Wright R-1820
this entity surface form:
Vultee V-11