Boeing Model 299
E180654
The Boeing Model 299 was the prototype four‑engine heavy bomber that led to the development of the famed B-17 Flying Fortress used extensively by the United States during World War II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Boeing Model 299 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1599581 — 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.
Target entity: Boeing Model 299 Context triple: [Boeing B-17 Flying Fortress, designOrigin, Boeing Model 299]
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A.
Boeing Model 40
The Boeing Model 40 was an early American biplane mailplane and passenger aircraft developed in the 1920s for U.S. airmail service, notable as one of Boeing’s first successful commercial designs.
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B.
Fairchild Eight
Fairchild Eight refers to the group of eight engineers who left Shockley Semiconductor Laboratory in 1957 to found Fairchild Semiconductor, a pivotal company in the early semiconductor and Silicon Valley industry.
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C.
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.
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D.
Wright J-5C Whirlwind
The Wright J-5C Whirlwind is a nine-cylinder, air-cooled radial aircraft engine renowned for its reliability and use in pioneering long-distance flights of the late 1920s.
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E.
Stinson SM-1 Detroiter
The Stinson SM-1 Detroiter was a late-1920s American high-wing monoplane airliner and utility aircraft known for its enclosed cabin, reliability, and use in early commercial aviation.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Boeing Model 299 Target entity description: The Boeing Model 299 was the prototype four‑engine heavy bomber that led to the development of the famed B-17 Flying Fortress used extensively by the United States during World War II.
-
A.
Boeing Model 40
The Boeing Model 40 was an early American biplane mailplane and passenger aircraft developed in the 1920s for U.S. airmail service, notable as one of Boeing’s first successful commercial designs.
-
B.
Fairchild Eight
Fairchild Eight refers to the group of eight engineers who left Shockley Semiconductor Laboratory in 1957 to found Fairchild Semiconductor, a pivotal company in the early semiconductor and Silicon Valley industry.
-
C.
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.
-
D.
Wright J-5C Whirlwind
The Wright J-5C Whirlwind is a nine-cylinder, air-cooled radial aircraft engine renowned for its reliability and use in pioneering long-distance flights of the late 1920s.
-
E.
Stinson SM-1 Detroiter
The Stinson SM-1 Detroiter was a late-1920s American high-wing monoplane airliner and utility aircraft known for its enclosed cabin, reliability, and use in early commercial aviation.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
four‑engine heavy bomber
ⓘ
prototype bomber aircraft ⓘ |
| aircraftConfiguration | low-wing monoplane ⓘ |
| aircraftRole | heavy bomber ⓘ |
| airframeMaterial | aluminum alloy ⓘ |
| armamentType | multiple machine guns ⓘ |
| bombloadCapacity | over 2,000 kg ⓘ |
| competedAgainst |
Douglas DB-1
ⓘ
Martin Model 146 ⓘ |
| construction | all-metal ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crashCause | takeoff accident due to control locks left engaged ⓘ |
| crashDate | 1935-10-30 ⓘ |
| crashLocation |
Wright-Patterson Air Force Base
ⓘ
surface form:
Wright Field, Dayton, Ohio
|
| crewSize | 8 ⓘ |
| designer |
Boeing
ⓘ
surface form:
Boeing design team
|
| developedFor | United States Army Air Corps ⓘ |
| engineType | piston engine ⓘ |
| enteredCompetition | United States Army Air Corps 1934 heavy bomber competition ⓘ |
| era | interwar period ⓘ |
| fatalitiesInCrash | 2 ⓘ |
| firstFlightDate | 1935-07-28 ⓘ |
| firstFlightLocation |
King County International Airport
ⓘ
surface form:
Boeing Field, Seattle, Washington
|
| historicalSignificance | first Boeing four‑engine heavy bomber prototype for the US Army Air Corps ⓘ |
| influenced | development of preflight checklists in aviation ⓘ |
| landingGearType | retractable tailwheel landing gear ⓘ |
| ledToDevelopmentOf | Boeing B-17 Flying Fortress ⓘ |
| length | approximately 68 ft ⓘ |
| manufacturer | Boeing ⓘ |
| maximumSpeed | over 230 mph ⓘ |
| militaryDesignation | XB-17 ⓘ |
| nicknamed |
Boeing B-17 Flying Fortress
ⓘ
surface form:
Flying Fortress
|
| nicknameOriginator | Seattle Times ⓘ |
| notableOutcome | demonstrated feasibility of long‑range, high‑payload heavy bombers for the US ⓘ |
| numberOfEngines | 4 ⓘ |
| numberOfPrototypesBuilt | 1 ⓘ |
| powerplantModel |
Pratt & Whitney Wasp radial engine
ⓘ
surface form:
Pratt & Whitney R-1690 Hornet
|
| propellerType | variable-pitch propellers ⓘ |
| range | over 2,000 miles ⓘ |
| status | prototype only ⓘ |
| successor |
Boeing B-17 Flying Fortress production variants
ⓘ
Boeing Fortress I ⓘ
surface form:
Boeing YB-17
|
| tailConfiguration | conventional single tail ⓘ |
| testPilotOnFirstFlight | Leslie R. Tower ⓘ |
| usedIn | evaluation and test flights only ⓘ |
| wingspan | approximately 103 ft ⓘ |
| wingType | cantilever 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.
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.
Subject: Boeing Model 299 Description of subject: The Boeing Model 299 was the prototype four‑engine heavy bomber that led to the development of the famed B-17 Flying Fortress used extensively by the United States during World War II.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.