MR2
E370449
MR2 is a variant designation used for the British Royal Air Force’s Nimrod maritime patrol aircraft, indicating its second major production and upgrade version.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MR2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3581509 — 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: MR2 Context triple: [Nimrod MR2, designation, MR2]
-
A.
MR
MR is a Belgian French-speaking liberal political party that participated as one of the partners in the federal Vivaldi coalition government led by Alexander De Croo.
-
B.
MR
MR is the official vehicle registration code used on license plates for the city of Marburg in the German state of Hesse.
-
C.
M2
M2 is a major British motorway that connects London with the port town of Dover in Kent, serving as an important route to the Channel ports.
-
D.
M2
M2 was the original name of MTV2, a U.S. cable television channel that focused on music videos and youth-oriented programming.
-
E.
M2
M2 is a boat line that operates as part of Geneva’s public transport network, providing passenger services across the city’s waters.
- 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: MR2 Target entity description: MR2 is a variant designation used for the British Royal Air Force’s Nimrod maritime patrol aircraft, indicating its second major production and upgrade version.
-
A.
MR
MR is a Belgian French-speaking liberal political party that participated as one of the partners in the federal Vivaldi coalition government led by Alexander De Croo.
-
B.
MR
MR is the official vehicle registration code used on license plates for the city of Marburg in the German state of Hesse.
-
C.
M2
M2 is a major British motorway that connects London with the port town of Dover in Kent, serving as an important route to the Channel ports.
-
D.
M2
M2 is a boat line that operates as part of Geneva’s public transport network, providing passenger services across the city’s waters.
-
E.
M2
M2 was the original name of MTV2, a U.S. cable television channel that focused on music videos and youth-oriented programming.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
maritime patrol aircraft variant
ⓘ
military aircraft variant ⓘ |
| aircraftCategory | jet-powered maritime patrol aircraft ⓘ |
| airframeUpgradeFrom | Nimrod MR1 ⓘ |
| avionicsUpgradeFrom | Nimrod MR1 ⓘ |
| basedAt | RAF Kinloss ⓘ |
| basedOn | de Havilland Comet airframe ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| crew | approximately 12 ⓘ |
| designationMeaning | Maritime Reconnaissance Mark 2 ⓘ |
| enteredService | 1980 ⓘ |
| hasCapability |
anti-ship missile carriage
ⓘ
long-range maritime surveillance ⓘ magnetic anomaly detection support ⓘ sonobuoy deployment ⓘ torpedo carriage ⓘ |
| introduced | early 1980s ⓘ |
| manufacturer |
British Aerospace
ⓘ
Hawker Siddeley ⓘ |
| operatedBy | Royal Air Force ⓘ |
| operatorType | military ⓘ |
| partOf |
Hawker Siddeley Nimrod
ⓘ
surface form:
Hawker Siddeley Nimrod family
|
| powerplant |
Rolls-Royce Spey turbofan
ⓘ
surface form:
Rolls-Royce Spey turbofan engines
|
| precededBy | Nimrod MR1 ⓘ |
| primaryUser | Royal Air Force ⓘ |
| retired | 2010 ⓘ |
| role |
anti-submarine warfare
ⓘ
anti-surface warfare ⓘ electronic intelligence gathering ⓘ maritime patrol ⓘ search and rescue support ⓘ |
| serviceBranch |
Royal Air Force Air Command
ⓘ
surface form:
RAF Air Command
RAF Coastal Command ⓘ RAF Strike Command ⓘ |
| status | retired from service ⓘ |
| successor | intended Nimrod MRA4 ⓘ |
| upgradeType | second major production and upgrade version of Nimrod maritime patrol aircraft ⓘ |
| usedBy |
No. 120 Squadron RAF
ⓘ
No. 201 Squadron RAF ⓘ No. 206 Squadron RAF ⓘ No. 42 Squadron RAF ⓘ |
| usedInConflict |
Cold War maritime patrol operations
ⓘ
Falklands War ⓘ Gulf War ⓘ operations in the Middle East ⓘ operations over the Balkans ⓘ |
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: MR2 Description of subject: MR2 is a variant designation used for the British Royal Air Force’s Nimrod maritime patrol aircraft, indicating its second major production and upgrade version.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.