YC-15
E38419
The YC-15 was a prototype short takeoff and landing (STOL) military transport aircraft developed by McDonnell Douglas in the 1970s that served as the technological basis for the later C-17 Globemaster III.
All labels observed (1)
| Label | Occurrences |
|---|---|
| YC-15 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T296304 — 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: YC-15 Context triple: [C-17 Globemaster III, developedFrom, YC-15]
-
A.
HMX-1
HMX-1 is the United States Marine Corps helicopter squadron responsible for transporting the President and other VIPs, most famously operating the aircraft known as Marine One.
-
B.
CC-295 Kingfisher
The CC-295 Kingfisher is a twin‑engine tactical transport and search-and-rescue aircraft operated by the Royal Canadian Air Force for long-range maritime and overland rescue missions.
-
C.
CP-140 Aurora
The CP-140 Aurora is a Canadian long-range maritime patrol and anti-submarine warfare aircraft based on the Lockheed P-3 Orion airframe and used primarily for surveillance and reconnaissance missions.
-
D.
Voyager KC2
Voyager KC2 is an Airbus A330-based multi-role tanker transport aircraft used by the Royal Air Force for air-to-air refuelling and strategic airlift operations.
-
E.
Base Yelcho
Base Yelcho is a Chilean Antarctic research station used for scientific studies in the Antarctic Peninsula region.
- 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: YC-15 Target entity description: The YC-15 was a prototype short takeoff and landing (STOL) military transport aircraft developed by McDonnell Douglas in the 1970s that served as the technological basis for the later C-17 Globemaster III.
-
A.
HMX-1
HMX-1 is the United States Marine Corps helicopter squadron responsible for transporting the President and other VIPs, most famously operating the aircraft known as Marine One.
-
B.
CC-295 Kingfisher
The CC-295 Kingfisher is a twin‑engine tactical transport and search-and-rescue aircraft operated by the Royal Canadian Air Force for long-range maritime and overland rescue missions.
-
C.
CP-140 Aurora
The CP-140 Aurora is a Canadian long-range maritime patrol and anti-submarine warfare aircraft based on the Lockheed P-3 Orion airframe and used primarily for surveillance and reconnaissance missions.
-
D.
Voyager KC2
Voyager KC2 is an Airbus A330-based multi-role tanker transport aircraft used by the Royal Air Force for air-to-air refuelling and strategic airlift operations.
-
E.
Base Yelcho
Base Yelcho is a Chilean Antarctic research station used for scientific studies in the Antarctic Peninsula region.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
prototype military transport aircraft
ⓘ
short takeoff and landing aircraft ⓘ |
| cargoCapacity |
palletized cargo
ⓘ
up to 60 litters ⓘ up to 72 troops ⓘ |
| competedWith | Boeing YC-14 ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 3 ⓘ |
| cruiseSpeed | 450 kn ⓘ |
| designedFor |
short unprepared airstrips
ⓘ
tactical airlift ⓘ |
| designFeature |
STOL capability
ⓘ
double-slotted flaps ⓘ externally blown flaps ⓘ full-span leading-edge slats ⓘ |
| developedBy | McDonnell Douglas ⓘ |
| engineModel |
Pratt & Whitney JT8D
ⓘ
surface form:
Pratt & Whitney JT8D-17
|
| engineType | turbofan ⓘ |
| firstFlight | 1975-08-26 ⓘ |
| height | 13.1 m ⓘ |
| influenced |
C-17 Globemaster III
ⓘ
surface form:
McDonnell Douglas C-17 Globemaster III
|
| introduced | 1975 ⓘ |
| length | 37.6 m ⓘ |
| manufacturer | McDonnell Douglas ⓘ |
| maximumSpeed | Mach 0.78 ⓘ |
| maximumTakeoffWeight |
159000 lb
ⓘ
72000 kg ⓘ |
| numberBuilt | 2 ⓘ |
| numberOfEngines | 4 ⓘ |
| primaryUser | United States Air Force ⓘ |
| program | Advanced Medium STOL Transport program ⓘ |
| programCancelled | 1979 ⓘ |
| range | 2600 nmi ⓘ |
| reasonForCancellation |
budget constraints
ⓘ
changing USAF requirements ⓘ |
| role | military transport aircraft ⓘ |
| servedAsTechnologicalBasisFor |
C-17 Globemaster III
ⓘ
surface form:
McDonnell Douglas C-17 Globemaster III
|
| serviceCeiling | 30000 ft ⓘ |
| status |
prototype only
ⓘ
retired ⓘ |
| survivorLocation |
Edwards Air Force Base museum collection
ⓘ
Pima Air and Space Museum ⓘ
surface form:
Pima Air & Space Museum
|
| tailConfiguration | T-tail ⓘ |
| testLocation |
Edwards Air Force Base
ⓘ
Howard Air Force Base ⓘ |
| wingConfiguration | high-wing ⓘ |
| wingspan | 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: YC-15 Description of subject: The YC-15 was a prototype short takeoff and landing (STOL) military transport aircraft developed by McDonnell Douglas in the 1970s that served as the technological basis for the later C-17 Globemaster III.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.