Douglas C-133 Cargomaster
E380642
The Douglas C-133 Cargomaster was a large, turboprop-powered U.S. military transport aircraft used primarily by the Air Force for heavy and outsized cargo airlift during the Cold War era.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Douglas C-133 Cargomaster canonical | 2 |
| Cargomaster | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3698034 — 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: Douglas C-133 Cargomaster Context triple: [C-5 Galaxy, developedToReplace, Douglas C-133 Cargomaster]
-
A.
C-141 Starlifter
The C-141 Starlifter is a retired U.S. Air Force strategic airlifter designed to rapidly transport troops, cargo, and equipment over long distances.
-
B.
Boeing C‑97 Stratofreighter
The Boeing C‑97 Stratofreighter is a post–World War II American long-range military transport aircraft derived from the B-29 bomber and used extensively for cargo and troop transport, as well as aerial refueling.
-
C.
Fairchild C-82 Packet
The Fairchild C-82 Packet was an American twin-boom, twin-engine military transport aircraft developed during World War II for cargo and paratroop operations.
-
D.
Lockheed C-130 Hercules
The Lockheed C-130 Hercules is a four‑engine turboprop military transport aircraft renowned worldwide for its versatility in tactical airlift, humanitarian missions, and special operations since the 1950s.
-
E.
Convair 240
The Convair 240 is a twin‑engine, pressurized short- to medium-haul airliner introduced in the late 1940s and widely used by airlines and military operators around the world.
- 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: Douglas C-133 Cargomaster Target entity description: The Douglas C-133 Cargomaster was a large, turboprop-powered U.S. military transport aircraft used primarily by the Air Force for heavy and outsized cargo airlift during the Cold War era.
-
A.
C-141 Starlifter
The C-141 Starlifter is a retired U.S. Air Force strategic airlifter designed to rapidly transport troops, cargo, and equipment over long distances.
-
B.
Boeing C‑97 Stratofreighter
The Boeing C‑97 Stratofreighter is a post–World War II American long-range military transport aircraft derived from the B-29 bomber and used extensively for cargo and troop transport, as well as aerial refueling.
-
C.
Fairchild C-82 Packet
The Fairchild C-82 Packet was an American twin-boom, twin-engine military transport aircraft developed during World War II for cargo and paratroop operations.
-
D.
Lockheed C-130 Hercules
The Lockheed C-130 Hercules is a four‑engine turboprop military transport aircraft renowned worldwide for its versatility in tactical airlift, humanitarian missions, and special operations since the 1950s.
-
E.
Convair 240
The Convair 240 is a twin‑engine, pressurized short- to medium-haul airliner introduced in the late 1940s and widely used by airlines and military operators around the world.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
military transport aircraft
ⓘ
turboprop aircraft ⓘ |
| aircraftConfiguration | high-wing ⓘ |
| airframeMaterial | metal ⓘ |
| cargoDoorLocation | rear fuselage ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew |
5
ⓘ
6 ⓘ |
| designedFor |
intercontinental airlift
ⓘ
transport of ballistic missiles ⓘ transport of large aerospace components ⓘ |
| developedFrom | Douglas C-124 Globemaster II ⓘ |
| engineCount | 4 ⓘ |
| engineModel | Pratt & Whitney T34 ⓘ |
| engineType | turboprop ⓘ |
| era | Cold War ⓘ |
| firstFlight | 1956-04-23 ⓘ |
| firstUnitEquipped | MATS squadrons ⓘ |
| height | 48 ft 3 in ⓘ |
| introduced | 1957 ⓘ |
| landingGear | tricycle landing gear ⓘ |
| length | 157 ft 6 in ⓘ |
| manufacturer | Douglas Aircraft Company ⓘ |
| maximumSpeed | c. 320 knots ⓘ |
| maximumTakeoffWeight | 276000 lb ⓘ |
| natoReportingName |
Douglas C-133 Cargomaster
self-linksurface differs
ⓘ
surface form:
Cargomaster
|
| notableFeature |
ability to carry very large and heavy cargo internally
ⓘ
one of the first true strategic airlifters ⓘ |
| numberBuilt | 50 ⓘ |
| operator |
Air Mobility Command
ⓘ
surface form:
Military Air Transport Service
Air Mobility Command ⓘ
surface form:
Military Airlift Command
|
| powerplantLayout | wing-mounted engines ⓘ |
| primaryRole |
heavy cargo transport
ⓘ
outsized cargo transport ⓘ strategic airlifter ⓘ |
| propellerConfiguration | four-bladed propellers ⓘ |
| range | c. 4000 nmi ⓘ |
| retired | 1971 ⓘ |
| status | retired ⓘ |
| successor |
C-141 Starlifter
ⓘ
surface form:
Lockheed C-141 Starlifter
C-5 Galaxy ⓘ
surface form:
Lockheed C-5 Galaxy
|
| tailConfiguration | high-mounted tailplane ⓘ |
| usedBy | United States Air Force ⓘ |
| usedFor |
support of U.S. missile programs
ⓘ
support of early space program logistics ⓘ transport of Atlas missiles ⓘ transport of Minuteman missiles ⓘ transport of Titan missiles ⓘ |
| wingspan | 179 ft 8 in ⓘ |
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: Douglas C-133 Cargomaster Description of subject: The Douglas C-133 Cargomaster was a large, turboprop-powered U.S. military transport aircraft used primarily by the Air Force for heavy and outsized cargo airlift during the Cold War era.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
Douglas C-133 Cargomaster
→
natoReportingName
→
Douglas C-133 Cargomaster
self-linksurface differs
ⓘ
this entity surface form:
Cargomaster