Bell 407
E440406
The Bell 407 is a popular four-blade, single-engine civil utility helicopter widely used for corporate transport, emergency medical services, law enforcement, and utility missions.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Bell 407 canonical | 4 |
| Bell 407GT | 1 |
| Bell 407GX | 1 |
| Bell 407GXP | 1 |
| Bell 407GXi | 1 |
| Bell 407HP | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4299756 — 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 407 Context triple: [Bell Textron, notableProduct, Bell 407]
-
A.
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.
-
B.
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.
-
C.
Bell 412
The Bell 412 is a twin-engine utility helicopter widely used around the world for military, law enforcement, and civilian transport and rescue operations.
-
D.
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.
-
E.
Sikorsky S-76
The Sikorsky S-76 is a medium-sized, twin-engine commercial helicopter widely used worldwide for executive transport, offshore operations, and search-and-rescue missions.
- 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 407 Target entity description: The Bell 407 is a popular four-blade, single-engine civil utility helicopter widely used for corporate transport, emergency medical services, law enforcement, and utility missions.
-
A.
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.
-
B.
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.
-
C.
Bell 412
The Bell 412 is a twin-engine utility helicopter widely used around the world for military, law enforcement, and civilian transport and rescue operations.
-
D.
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.
-
E.
Sikorsky S-76
The Sikorsky S-76 is a medium-sized, twin-engine commercial helicopter widely used worldwide for executive transport, offshore operations, and search-and-rescue missions.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
civil utility helicopter
ⓘ
helicopter ⓘ |
| basedOn |
Bell 206L-4 LongRanger
ⓘ
linked to:
Bell 206
|
| category | light helicopter ⓘ |
| configuration | single main rotor with tail rotor ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| crew | 1 pilot ⓘ |
| engineType | single turboshaft engine ⓘ |
| firstFlightDate | 1994-06-29 ⓘ |
| fuselageMaterial | composite and metal construction ⓘ |
| hasMilitaryVariant |
Bell 407GT
ⓘ
linked to:
Bell 407
Bell OH-58F (derived concepts) ⓘ |
| hasVariant |
Bell 407GX
ⓘ
linked to:
Bell 407
Bell 407GXP ⓘ
linked to:
Bell 407
Bell 407GXi ⓘ
linked to:
Bell 407
Bell 407HP ⓘ
linked to:
Bell 407
|
| introduced | 1996 ⓘ |
| landingGearType | skid landing gear ⓘ |
| mainRotorType | four-blade main rotor ⓘ |
| manufacturer |
Bell Helicopter
ⓘ
Bell Textron ⓘ |
| manufacturerDesignation | Model 407 ⓘ |
| marketSegment | civil rotorcraft market ⓘ |
| notableFeature |
four-blade composite rotor system
ⓘ
smooth ride and low vibration levels ⓘ wide cabin doors for EMS and utility loading ⓘ |
| numberOfEngines | 1 ⓘ |
| numberOfMainRotorBlades | 4 ⓘ |
| powerplant | Rolls-Royce 250-C47B turboshaft ⓘ |
| primaryUsers |
air ambulance operators
ⓘ
corporate operators ⓘ law enforcement agencies ⓘ utility and charter operators ⓘ |
| productionStatus | in production ⓘ |
| role |
civil utility helicopter
ⓘ
corporate transport helicopter ⓘ emergency medical services helicopter ⓘ law enforcement helicopter ⓘ utility helicopter ⓘ |
| status | in service ⓘ |
| tailRotorType | two-blade tail rotor ⓘ |
| typicalPassengerCapacity | 6 passengers ⓘ |
| usedBy |
civil operators worldwide
ⓘ
government agencies ⓘ law enforcement agencies worldwide ⓘ |
| usedFor |
air ambulance missions
ⓘ
corporate transport ⓘ police patrol and surveillance ⓘ utility and offshore support missions ⓘ |
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 407 Description of subject: The Bell 407 is a popular four-blade, single-engine civil utility helicopter widely used for corporate transport, emergency medical services, law enforcement, and utility missions.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Bell 407
linked to: Bell 407
linked to: Bell 407
linked to: Bell 407
linked to: Bell 407