Bell H-13 Sioux
E478804
The Bell H-13 Sioux is a light, single-rotor helicopter best known for its extensive use by the U.S. Army during the Korean War, particularly in medical evacuation and observation roles.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Bell H-13 Sioux canonical | 1 |
| H-13 Sioux | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4703238 — 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: Bell H-13 Sioux Context triple: [Bell Aircraft, developed, Bell H-13 Sioux]
-
A.
Sikorsky H-5 helicopter
The Sikorsky H-5 is an early post–World War II American utility and rescue helicopter that played a key role in pioneering rotary-wing military and search-and-rescue operations.
-
B.
Cessna Crane
The Cessna Crane is a twin-engine military trainer aircraft used by the Royal Canadian Air Force during World War II for pilot and navigation training.
-
C.
Cessna L-19 Bird Dog
The Cessna L-19 Bird Dog is a single-engine, high-wing liaison and observation aircraft widely used by the U.S. military and allies during the Korean and Vietnam Wars.
-
D.
H-34 Choctaw
The H-34 Choctaw is a piston-engined military transport and utility helicopter widely used by the U.S. and allied forces from the 1950s through the Vietnam War era.
-
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: Bell H-13 Sioux Target entity description: The Bell H-13 Sioux is a light, single-rotor helicopter best known for its extensive use by the U.S. Army during the Korean War, particularly in medical evacuation and observation roles.
-
A.
Sikorsky H-5 helicopter
The Sikorsky H-5 is an early post–World War II American utility and rescue helicopter that played a key role in pioneering rotary-wing military and search-and-rescue operations.
-
B.
Cessna Crane
The Cessna Crane is a twin-engine military trainer aircraft used by the Royal Canadian Air Force during World War II for pilot and navigation training.
-
C.
Cessna L-19 Bird Dog
The Cessna L-19 Bird Dog is a single-engine, high-wing liaison and observation aircraft widely used by the U.S. military and allies during the Korean and Vietnam Wars.
-
D.
H-34 Choctaw
The H-34 Choctaw is a piston-engined military transport and utility helicopter widely used by the U.S. and allied forces from the 1950s through the Vietnam War era.
-
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 (53)
| Predicate | Object |
|---|---|
| instanceOf |
light helicopter
ⓘ
military helicopter ⓘ single-rotor helicopter ⓘ |
| basedOn |
Bell 47
ⓘ
linked to:
Bell 47 helicopter
|
| civilianDesignation |
Bell 47
ⓘ
linked to:
Bell 47 helicopter
|
| configuration | single main rotor with tail rotor ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| crew |
2
ⓘ
3 ⓘ |
| culturalAppearance |
television series M*A*S*H
ⓘ
linked to:
M*A*S*H (TV series)
|
| engineType | piston engine ⓘ |
| hasVariant |
H-13B
ⓘ
H-13C ⓘ H-13D ⓘ H-13E ⓘ H-13G ⓘ H-13H ⓘ H-13J ⓘ H-13K ⓘ H-13L ⓘ H-13M ⓘ H-13S ⓘ |
| introduced | 1948 ⓘ |
| mainRotorType | two-blade main rotor ⓘ |
| manufacturer | Bell Helicopter ⓘ |
| maxSpeed | approximately 105 mph ⓘ |
| namedAfter | Sioux people ⓘ |
| natoReportingName | Sioux ⓘ |
| notableFeature |
bubble canopy cockpit
ⓘ
skid landing gear ⓘ |
| operatorType |
civilian
ⓘ
military ⓘ |
| primaryRole |
medical evacuation helicopter
ⓘ
observation helicopter ⓘ training helicopter ⓘ |
| range | approximately 250 miles ⓘ |
| retiredFromUSArmy | 1970s ⓘ |
| serviceCeiling | approximately 10,000 ft ⓘ |
| serviceEntry | late 1940s ⓘ |
| tailRotorType | two-blade tail rotor ⓘ |
| usedAs | MASH helicopter in Korean War ⓘ |
| usedBy |
British Army
ⓘ
Italian Army ⓘ
linked to:
Italian Army (Republic of Italy)
Japan Ground Self-Defense Force ⓘ Royal Canadian Air Force ⓘ United States Air Force ⓘ United States Army ⓘ United States Navy ⓘ |
| usedFor |
casualty evacuation
ⓘ
forward air control ⓘ liaison duties ⓘ reconnaissance ⓘ |
| usedInConflict | Korean War ⓘ |
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: Bell H-13 Sioux Description of subject: The Bell H-13 Sioux is a light, single-rotor helicopter best known for its extensive use by the U.S. Army during the Korean War, particularly in medical evacuation and observation roles.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Bell 47 helicopter
linked to: Bell H-13 Sioux