Westland Merlin (EH101)
E1036885
The Westland Merlin (EH101) is a medium-lift, multi-role military helicopter used primarily for anti-submarine warfare, transport, and search and rescue operations by several NATO and allied air forces and navies.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T13209316 — 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: Westland Merlin (EH101) Context triple: [Westland Helicopters, notableProduct, Westland Merlin (EH101)]
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A.
Westland Lynx
The Westland Lynx is a British multi-role military helicopter renowned for its agility and widespread use in both army and naval variants since the 1970s.
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B.
Westland Wessex
The Westland Wessex is a British-built, turbine-powered military helicopter widely used from the 1960s for roles such as troop transport, anti-submarine warfare, and search and rescue.
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C.
Westland Wasp
The Westland Wasp is a British shipborne anti-submarine helicopter developed in the 1960s, widely used by the Royal Navy and several other navies for maritime operations.
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D.
Westland Wapiti
The Westland Wapiti was a British two-seat general-purpose biplane of the interwar period, used extensively by the Royal Air Force and several Commonwealth air forces.
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E.
Westland Sea King
The Westland Sea King is a British-built, twin-engine amphibious helicopter widely used for search and rescue, anti-submarine warfare, and transport missions by various military forces.
- 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: Westland Merlin (EH101) Target entity description: The Westland Merlin (EH101) is a medium-lift, multi-role military helicopter used primarily for anti-submarine warfare, transport, and search and rescue operations by several NATO and allied air forces and navies.
-
A.
Westland Lynx
The Westland Lynx is a British multi-role military helicopter renowned for its agility and widespread use in both army and naval variants since the 1970s.
-
B.
Westland Wessex
The Westland Wessex is a British-built, turbine-powered military helicopter widely used from the 1960s for roles such as troop transport, anti-submarine warfare, and search and rescue.
-
C.
Westland Wasp
The Westland Wasp is a British shipborne anti-submarine helicopter developed in the 1960s, widely used by the Royal Navy and several other navies for maritime operations.
-
D.
Westland Wapiti
The Westland Wapiti was a British two-seat general-purpose biplane of the interwar period, used extensively by the Royal Air Force and several Commonwealth air forces.
-
E.
Westland Sea King
The Westland Sea King is a British-built, twin-engine amphibious helicopter widely used for search and rescue, anti-submarine warfare, and transport missions by various military forces.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
anti-submarine warfare helicopter
ⓘ
medium-lift helicopter ⓘ military helicopter ⓘ multi-role helicopter ⓘ |
| alsoKnownAs |
AgustaWestland AW101
ⓘ
EH101 ⓘ |
| armamentOption |
depth charges
ⓘ
machine guns ⓘ torpedoes ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| crew | 3 ⓘ |
| designFeature |
five-blade main rotor
ⓘ
fly-by-wire flight control system ⓘ folding main rotor blades ⓘ folding tail ⓘ marinised airframe ⓘ rear ramp ⓘ retractable tricycle landing gear ⓘ |
| developedFrom | EH101 program ⓘ |
| engineModel |
General Electric CT7
ⓘ
Rolls-Royce Turbomeca RTM322 ⓘ |
| engineType | turboshaft ⓘ |
| firstFlight | 1987-10-09 ⓘ |
| introduced | 1999 ⓘ |
| manufacturer |
AgustaWestland
ⓘ
Leonardo S.p.A. ⓘ Westland Helicopters ⓘ |
| numberOfEngines | 3 ⓘ |
| operatorCountry |
Canada
ⓘ
Denmark ⓘ Italy ⓘ Japan ⓘ Norway ⓘ Portugal ⓘ United Kingdom ⓘ |
| primaryUser |
Italian Navy
ⓘ
Royal Air Force ⓘ Royal Danish Air Force ⓘ Royal Navy ⓘ |
| role |
airborne early warning
ⓘ
anti-submarine warfare ⓘ maritime patrol ⓘ search and rescue ⓘ troop transport ⓘ utility transport ⓘ |
| sensor |
dipping sonar
ⓘ
search radar ⓘ sonobuoy processing system ⓘ |
| status | in service ⓘ |
| usedBy |
Japanese Maritime Self-Defense Force
ⓘ
linked to:
Japan Maritime Self-Defense Force
Norwegian Air Force ⓘ
linked to:
Royal Norwegian Air Force
Portuguese Air Force ⓘ Royal Canadian Air Force ⓘ |
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: Westland Merlin (EH101) Description of subject: The Westland Merlin (EH101) is a medium-lift, multi-role military helicopter used primarily for anti-submarine warfare, transport, and search and rescue operations by several NATO and allied air forces and navies.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Westland Merlin (EH101)
linked to: Westland Merlin (EH101)
linked to: Westland Merlin (EH101)
linked to: Westland Merlin (EH101)
linked to: Westland Merlin (EH101)
linked to: Westland Merlin (EH101)
linked to: Westland Merlin (EH101)