Boeing Stearman
E457014
The Boeing Stearman is a classic American biplane trainer aircraft widely used during the 1930s and World War II to train military pilots.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Boeing F4B | 1 |
| Boeing Stearman canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4623645 — 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: Boeing Stearman Context triple: [Canadian Warplane Heritage Museum, hasNotableAircraft, Boeing Stearman]
-
A.
Boeing P-26 Peashooter
The Boeing P-26 "Peashooter" was a 1930s American monoplane fighter aircraft and the first all-metal pursuit plane to enter service with the U.S. Army Air Corps.
-
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of the late 1930s and early World War II, used primarily for patrol, training, and anti-submarine duties before being superseded by more advanced aircraft.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.
Curtiss P-36 Hawk
The Curtiss P-36 Hawk was an American single-seat, all-metal monoplane fighter aircraft of the late 1930s that served with the U.S. Army Air Corps and numerous foreign air forces before and during the early stages of World War II.
-
D.
Beechcraft C-45 Expeditor
The Beechcraft C-45 Expeditor is a twin-engine military transport and trainer aircraft, derived from the Beechcraft Model 18, that was widely used by the United States and allied air forces from World War II through the postwar era.
-
E.
Republic P-47 Thunderbolt
The Republic P-47 Thunderbolt was a rugged, heavily armed American World War II fighter-bomber renowned for its durability, high-altitude performance, and effective ground-attack capabilities.
- 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: Boeing Stearman Target entity description: The Boeing Stearman is a classic American biplane trainer aircraft widely used during the 1930s and World War II to train military pilots.
-
A.
Boeing P-26 Peashooter
The Boeing P-26 "Peashooter" was a 1930s American monoplane fighter aircraft and the first all-metal pursuit plane to enter service with the U.S. Army Air Corps.
-
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.
Curtiss P-36 Hawk
The Curtiss P-36 Hawk was an American single-seat, all-metal monoplane fighter aircraft of the late 1930s that served with the U.S. Army Air Corps and numerous foreign air forces before and during the early stages of World War II.
-
D.
Beechcraft C-45 Expeditor
The Beechcraft C-45 Expeditor is a twin-engine military transport and trainer aircraft, derived from the Beechcraft Model 18, that was widely used by the United States and allied air forces from World War II through the postwar era.
-
E.
Republic P-47 Thunderbolt
The Republic P-47 Thunderbolt was a rugged, heavily armed American World War II fighter-bomber renowned for its durability, high-altitude performance, and effective ground-attack capabilities.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
biplane
ⓘ
military aircraft ⓘ trainer aircraft ⓘ |
| aircraftConfiguration | biplane ⓘ |
| alsoKnownAs |
Boeing Model 75
NERFINISHED
ⓘ
Stearman Kaydet NERFINISHED ⓘ |
| category | 1930s United States military trainer aircraft ⓘ |
| cockpitType | dual control ⓘ |
| commonlySeenAt | airshows ⓘ |
| construction |
fabric-covered wooden wings
ⓘ
steel-tube fuselage ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 2 ⓘ |
| crewArrangement | tandem ⓘ |
| designedFor | ab initio pilot training ⓘ |
| engineType | radial piston engine ⓘ |
| era |
World War II era
NERFINISHED
ⓘ
interwar period ⓘ |
| firstFlight | 1934 ⓘ |
| heritageStatus | warbird ⓘ |
| introduced | mid-1930s ⓘ |
| landingGearType | fixed tailwheel ⓘ |
| manufacturer |
Boeing
ⓘ
Stearman Aircraft Company NERFINISHED ⓘ |
| notableFeature |
open cockpit
ⓘ
robust airframe ⓘ |
| numberOfEngines | 1 ⓘ |
| operatedBy |
aerial application operators (postwar)
ⓘ
flight schools (postwar) ⓘ |
| primaryUsers |
Royal Canadian Air Force
NERFINISHED
ⓘ
United States Army Air Forces NERFINISHED ⓘ United States Navy NERFINISHED ⓘ |
| propulsion | propeller-driven ⓘ |
| role | primary trainer ⓘ |
| status |
active in civilian use
ⓘ
retired from military service ⓘ |
| typicalEngineManufacturer |
Continental
NERFINISHED
ⓘ
Jacobs NERFINISHED ⓘ Lycoming NERFINISHED ⓘ |
| usedDuring |
1930s
ⓘ
World War II ⓘ |
| usedFor |
aerobatic training
ⓘ
basic flight training ⓘ civilian sport flying (postwar) ⓘ crop dusting (postwar) ⓘ naval flight training ⓘ pilot training ⓘ |
| usedIn |
Canada
ⓘ
United States of America ⓘ
surface form:
United States
other Allied countries ⓘ |
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: Boeing Stearman Description of subject: The Boeing Stearman is a classic American biplane trainer aircraft widely used during the 1930s and World War II to train military pilots.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Pratt & Whitney Wasp
this entity surface form:
Boeing F4B