Boeing YC-14
E196905
The Boeing YC-14 was a 1970s American experimental short takeoff and landing (STOL) tactical transport aircraft prototype developed for the U.S. Air Force’s Advanced Medium STOL Transport program.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Boeing YC-14 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1750091 — 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 YC-14 Context triple: [McDonnell Douglas YC-15, competedWith, Boeing YC-14]
-
A.
Convair T-29
The Convair T-29 is a military trainer and transport aircraft developed from the Convair 240 airliner and used primarily by the U.S. Air Force for navigation and radar training.
-
B.
Beechcraft King Air
The Beechcraft King Air is a family of twin-turboprop utility aircraft widely used around the world for military, government, and civilian transport, training, and special-mission roles.
-
C.
Boeing C-40
The Boeing C-40 is a military transport and executive transport aircraft derived from the Boeing 737 airliner and used by the U.S. Air Force for personnel and VIP airlift missions.
-
D.
Boeing 720
The Boeing 720 is a shorter-range, lighter derivative of the Boeing 707 jet airliner, designed primarily for medium-haul routes in the early jet age.
-
E.
Cessna O-2 Skymaster
The Cessna O-2 Skymaster is a military twin-boom, push-pull configuration aircraft used primarily by the U.S. Air Force for forward air control and reconnaissance during the Vietnam War.
- 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 YC-14 Target entity description: The Boeing YC-14 was a 1970s American experimental short takeoff and landing (STOL) tactical transport aircraft prototype developed for the U.S. Air Force’s Advanced Medium STOL Transport program.
-
A.
Convair T-29
The Convair T-29 is a military trainer and transport aircraft developed from the Convair 240 airliner and used primarily by the U.S. Air Force for navigation and radar training.
-
B.
Beechcraft King Air
The Beechcraft King Air is a family of twin-turboprop utility aircraft widely used around the world for military, government, and civilian transport, training, and special-mission roles.
-
C.
Boeing C-40
The Boeing C-40 is a military transport and executive transport aircraft derived from the Boeing 737 airliner and used by the U.S. Air Force for personnel and VIP airlift missions.
-
D.
Boeing 720
The Boeing 720 is a shorter-range, lighter derivative of the Boeing 707 jet airliner, designed primarily for medium-haul routes in the early jet age.
-
E.
Cessna O-2 Skymaster
The Cessna O-2 Skymaster is a military twin-boom, push-pull configuration aircraft used primarily by the U.S. Air Force for forward air control and reconnaissance during the Vietnam War.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
STOL aircraft
ⓘ
experimental aircraft ⓘ military transport aircraft ⓘ prototype aircraft ⓘ |
| aircraftType | twin-engine jet ⓘ |
| cargoCapability | could carry vehicles and pallets ⓘ |
| cargoCapacity | about 30,000 kg ⓘ |
| category |
1970s United States military transport aircraft
ⓘ
abandoned military aircraft projects of the United States ⓘ |
| competitionWith | McDonnell Douglas YC-15 ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 3 ⓘ |
| cruiseSpeed | approximately 740 km/h ⓘ |
| designFeature |
double-slotted flaps
ⓘ
large rear loading ramp ⓘ upper-surface blowing for STOL performance ⓘ |
| developedFor |
Advanced Medium STOL Transport program
ⓘ
United States Air Force ⓘ |
| engineType | turbofan ⓘ |
| firstFlight | 1976-08-09 ⓘ |
| firstPrototypeDesignation | YC-14A ⓘ |
| height | about 14.8 m ⓘ |
| influenced | Boeing C-17 Globemaster III design studies ⓘ |
| introduction | 1970s ⓘ |
| landingDistance | about 460 m at design STOL conditions ⓘ |
| length | about 40.5 m ⓘ |
| manufacturer | Boeing ⓘ |
| maximumSpeed | approximately 780 km/h ⓘ |
| maximumTakeoffWeight | approximately 149,300 kg ⓘ |
| numberBuilt | 2 ⓘ |
| operator |
United States Air Force
ⓘ
surface form:
United States Air Force (test only)
|
| powerplant | 2 × General Electric CF6 turbofan engines ⓘ |
| programName |
Advanced Medium STOL Transport program
ⓘ
surface form:
Advanced Medium STOL Transport
|
| programOutcome |
Advanced Medium STOL Transport program canceled
ⓘ
not selected for production ⓘ |
| range | approximately 4,000 km with payload ⓘ |
| role | tactical transport ⓘ |
| serviceCeiling | approximately 12,000 m ⓘ |
| status |
not in mass production
ⓘ
prototype only ⓘ |
| tailConfiguration | T-tail ⓘ |
| takeoffDistance | about 610 m at design STOL conditions ⓘ |
| testLocation |
Edwards Air Force Base
ⓘ
McChord Field ⓘ
surface form:
McChord Air Force Base
|
| usedFor |
short takeoff and landing operations
ⓘ
tactical airlift ⓘ |
| wingConfiguration | high-wing ⓘ |
| wingspan | about 40.4 m ⓘ |
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 YC-14 Description of subject: The Boeing YC-14 was a 1970s American experimental short takeoff and landing (STOL) tactical transport aircraft prototype developed for the U.S. Air Force’s Advanced Medium STOL Transport program.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
McDonnell Douglas YC-15