Bell 47 helicopter
E463820
The Bell 47 helicopter is a pioneering light utility helicopter, famous as the first helicopter certified for civilian use and widely recognized for its distinctive bubble canopy and extensive service in both military and civilian roles.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Bell 47 | 4 |
| Bell 47 helicopter canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4623662 — 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 47 helicopter Context triple: [Canadian Warplane Heritage Museum, hasNotableAircraft, Bell 47 helicopter]
-
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.
Bell 205
The Bell 205 is a medium utility helicopter, derived from the iconic UH-1 "Huey," widely used around the world for military, transport, and search-and-rescue roles.
-
C.
Bell 206
The Bell 206 is a family of light, twin-blade helicopters widely used around the world for training, transport, and utility missions in both civilian and military roles.
-
D.
Bell 204
The Bell 204 is an early American utility helicopter design by Bell Helicopter that served as the basis for the famous UH-1 "Huey" series.
-
E.
Bell UH-1 Iroquois
The Bell UH-1 Iroquois, commonly known as the "Huey," is a widely used American military utility helicopter famed for its extensive service during the Vietnam War and its iconic status in aviation history.
- 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 47 helicopter Target entity description: The Bell 47 helicopter is a pioneering light utility helicopter, famous as the first helicopter certified for civilian use and widely recognized for its distinctive bubble canopy and extensive service in both military and civilian 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.
Bell 205
The Bell 205 is a medium utility helicopter, derived from the iconic UH-1 "Huey," widely used around the world for military, transport, and search-and-rescue roles.
-
C.
Bell 206
The Bell 206 is a family of light, twin-blade helicopters widely used around the world for training, transport, and utility missions in both civilian and military roles.
-
D.
Bell 204
The Bell 204 is an early American utility helicopter design by Bell Helicopter that served as the basis for the famous UH-1 "Huey" series.
-
E.
Bell UH-1 Iroquois
The Bell UH-1 Iroquois, commonly known as the "Huey," is a widely used American military utility helicopter famed for its extensive service during the Vietnam War and its iconic status in aviation history.
- F. None of above. chosen
Statements (60)
| Predicate | Object |
|---|---|
| instanceOf |
helicopter
ⓘ
light utility helicopter ⓘ |
| category |
civil utility aircraft
ⓘ
military utility aircraft ⓘ rotorcraft ⓘ |
| certificationAuthority |
Civil Aeronautics Administration
ⓘ
linked to:
Civil Aeronautics Board
|
| civilCertificationDate | 1946-03-08 ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| crew | 1 ⓘ |
| cruiseSpeed_kmh | 137 ⓘ |
| distinctiveFeature |
bubble canopy cockpit
ⓘ
exposed tail boom ⓘ skid landing gear ⓘ |
| engineType | piston engine ⓘ |
| firstFlight | 1945-12-08 ⓘ |
| fuselageMaterial |
plexiglass canopy
ⓘ
steel tube structure ⓘ |
| introduced | 1946 ⓘ |
| licenseBuilder |
Agusta
ⓘ
Kawasaki Heavy Industries ⓘ Westland Aircraft ⓘ
linked to:
Westland Helicopters
|
| licenseBuiltIn |
Italy
ⓘ
Japan ⓘ United Kingdom ⓘ |
| manufacturer |
Bell Aircraft Corporation
ⓘ
linked to:
Bell Aircraft
Bell Helicopter ⓘ |
| maxSpeed_kmh | 169 ⓘ |
| militaryDesignation |
H-13 Sioux
ⓘ
linked to:
Bell H-13 Sioux
HTL ⓘ TH-13 ⓘ |
| notableAchievement | first helicopter certified for civilian use ⓘ |
| notableAppearance |
M*A*S*H television series
ⓘ
linked to:
M*A*S*H (TV series)
MASH (1970 film) ⓘ
linked to:
MASH
|
| powerplant |
Franklin O-335 engine
ⓘ
Lycoming VO-435 engine ⓘ |
| primaryRole |
medevac helicopter
ⓘ
observation helicopter ⓘ training helicopter ⓘ utility helicopter ⓘ |
| producedFrom | 1946 ⓘ |
| producedUntil | 1974 ⓘ |
| productionStatus | out of production ⓘ |
| range_km | 370 ⓘ |
| rotorConfiguration | single main rotor ⓘ |
| seatingConfiguration | side-by-side seating ⓘ |
| serviceCeiling_m | 3200 ⓘ |
| tailRotor | conventional tail rotor ⓘ |
| typicalPassengerCapacity | 2 ⓘ |
| usedBy |
Italian Army
ⓘ
linked to:
Italian Army (Republic of Italy)
Royal Air Force ⓘ United States Army ⓘ United States Marine Corps ⓘ United States Navy ⓘ |
| usedFor |
aerial observation
ⓘ
aerial photography ⓘ agricultural spraying ⓘ medical evacuation in Korean War ⓘ pilot training ⓘ television news reporting ⓘ |
| 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 47 helicopter Description of subject: The Bell 47 helicopter is a pioneering light utility helicopter, famous as the first helicopter certified for civilian use and widely recognized for its distinctive bubble canopy and extensive service in both military and civilian roles.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Bell 47 helicopter
linked to: Bell 47 helicopter
linked to: Bell 47 helicopter
linked to: Bell 47 helicopter