P2V Neptune
E264019
P2V Neptune is a Cold War-era American maritime patrol and anti-submarine warfare aircraft developed by Lockheed and widely used by the U.S. Navy and allied forces.
All labels observed (2)
| Label | Occurrences |
|---|---|
| P2V Neptune canonical | 1 |
| P2V-7 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2412829 — 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: P2V Neptune Context triple: [Lockheed P-2 Neptune, alsoKnownAs, P2V Neptune]
-
A.
Helios 2
Helios 2 was a German–French military reconnaissance satellite launched during the Cold War to provide high-resolution imaging intelligence from orbit.
-
B.
Pegasos II
Pegasos II is a PowerPC-based computer mainboard developed by Genesi that became popular as a hardware platform for alternative operating systems such as AmigaOS and MorphOS.
-
C.
Voyager KC2
Voyager KC2 is an Airbus A330-based multi-role tanker transport aircraft used by the Royal Air Force for air-to-air refuelling and strategic airlift operations.
-
D.
Xen
Xen is an open-source type-1 hypervisor that enables efficient virtualization of multiple operating systems on the same physical hardware.
-
E.
Vulcan XH558
Vulcan XH558 is the last airworthy example of the British Avro Vulcan strategic bomber, preserved and flown as a historic display aircraft until its final retirement.
- 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: P2V Neptune Target entity description: P2V Neptune is a Cold War-era American maritime patrol and anti-submarine warfare aircraft developed by Lockheed and widely used by the U.S. Navy and allied forces.
-
A.
Helios 2
Helios 2 was a German–French military reconnaissance satellite launched during the Cold War to provide high-resolution imaging intelligence from orbit.
-
B.
Pegasos II
Pegasos II is a PowerPC-based computer mainboard developed by Genesi that became popular as a hardware platform for alternative operating systems such as AmigaOS and MorphOS.
-
C.
Voyager KC2
Voyager KC2 is an Airbus A330-based multi-role tanker transport aircraft used by the Royal Air Force for air-to-air refuelling and strategic airlift operations.
-
D.
Xen
Xen is an open-source type-1 hypervisor that enables efficient virtualization of multiple operating systems on the same physical hardware.
-
E.
Vulcan XH558
Vulcan XH558 is the last airworthy example of the British Avro Vulcan strategic bomber, preserved and flown as a historic display aircraft until its final retirement.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
anti-submarine warfare aircraft
ⓘ
maritime patrol aircraft ⓘ military aircraft ⓘ |
| armamentCapability |
bombs
ⓘ
depth charges ⓘ mines ⓘ torpedoes ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 7 ⓘ |
| engineType | radial piston engine ⓘ |
| era | Cold War ⓘ |
| firstFlight | 1945-05-17 ⓘ |
| introduced | 1947 ⓘ |
| laterVariantsEngineType | piston engine plus jet engine boosters ⓘ |
| manufacturer |
Lockheed Aircraft Company
ⓘ
surface form:
Lockheed
|
| manufacturerDesignation | Lockheed Model 26 ⓘ |
| notableVariant |
AP-2H
ⓘ
P2V-5 ⓘ P2V Neptune self-linksurface differs ⓘ
surface form:
P2V-7
|
| numberOfEngines | 2 ⓘ |
| primaryMission |
long-range ocean patrol
ⓘ
submarine detection ⓘ |
| retiredFromUSN | 1960s ⓘ |
| role |
anti-submarine warfare
ⓘ
maritime patrol ⓘ reconnaissance ⓘ |
| sensorEquipment |
magnetic anomaly detector
ⓘ
radar ⓘ sonobuoys ⓘ |
| successor |
Lockheed P-3 Orion
ⓘ
surface form:
P-3 Orion
|
| tailConfiguration | conventional tail ⓘ |
| usedBy |
Argentine Navy
ⓘ
Brazilian Air Force ⓘ Canadian forces ⓘ
surface form:
Canadian Forces
Chilean Navy ⓘ French Navy ⓘ Aeronautica Militare ⓘ
surface form:
Italian Air Force
Japan Maritime Self-Defense Force ⓘ Portuguese Air Force ⓘ Royal Australian Air Force ⓘ Royal Netherlands Navy ⓘ South African Air Force ⓘ Spanish Air Force ⓘ United States Navy ⓘ German Navy ⓘ
surface form:
West German Navy
|
| usedFor | signals intelligence in some variants ⓘ |
| usedInConflict |
Korean War
ⓘ
Vietnam War ⓘ |
| wingConfiguration | low-wing monoplane ⓘ |
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: P2V Neptune Description of subject: P2V Neptune is a Cold War-era American maritime patrol and anti-submarine warfare aircraft developed by Lockheed and widely used by the U.S. Navy and allied forces.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
P2V-7