Northrop Grumman C-2 Greyhound
E402488
The Northrop Grumman C-2 Greyhound is a twin‑engine, high‑wing cargo aircraft used by the U.S. Navy primarily for carrier onboard delivery (COD) missions, transporting personnel, mail, and supplies to and from aircraft carriers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Northrop Grumman C-2 Greyhound canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3898469 — 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: Northrop Grumman C-2 Greyhound Context triple: [Allison T56, usedIn, Northrop Grumman C-2 Greyhound]
-
A.
Grumman E-2C Hawkeye
The Grumman E-2C Hawkeye is a carrier-capable airborne early warning and control (AEW&C) aircraft featuring a distinctive rotating radar dome, used by several navies and air forces for long-range surveillance and battle management.
-
B.
Lockheed P-3 Orion
The Lockheed P-3 Orion is a four-engine turboprop maritime patrol and anti-submarine warfare aircraft widely used by navies and air forces around the world during the Cold War and beyond.
-
C.
Lockheed S-3 Viking
The Lockheed S-3 Viking is a twin-engine, carrier-based U.S. Navy aircraft primarily used for anti-submarine warfare, sea surveillance, and later aerial refueling and transport roles.
-
D.
Boeing P-8 Poseidon
The Boeing P-8 Poseidon is a military maritime patrol and reconnaissance aircraft used primarily for anti-submarine warfare, anti-surface warfare, and intelligence, surveillance, and reconnaissance missions.
-
E.
Boeing E-6 Mercury
The Boeing E-6 Mercury is a U.S. Navy airborne command post and communications relay aircraft used to maintain secure links with nuclear forces, derived from the Boeing 707 airframe.
- 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: Northrop Grumman C-2 Greyhound Target entity description: The Northrop Grumman C-2 Greyhound is a twin‑engine, high‑wing cargo aircraft used by the U.S. Navy primarily for carrier onboard delivery (COD) missions, transporting personnel, mail, and supplies to and from aircraft carriers.
-
A.
Grumman E-2C Hawkeye
The Grumman E-2C Hawkeye is a carrier-capable airborne early warning and control (AEW&C) aircraft featuring a distinctive rotating radar dome, used by several navies and air forces for long-range surveillance and battle management.
-
B.
Lockheed P-3 Orion
The Lockheed P-3 Orion is a four-engine turboprop maritime patrol and anti-submarine warfare aircraft widely used by navies and air forces around the world during the Cold War and beyond.
-
C.
Lockheed S-3 Viking
The Lockheed S-3 Viking is a twin-engine, carrier-based U.S. Navy aircraft primarily used for anti-submarine warfare, sea surveillance, and later aerial refueling and transport roles.
-
D.
Boeing P-8 Poseidon
The Boeing P-8 Poseidon is a military maritime patrol and reconnaissance aircraft used primarily for anti-submarine warfare, anti-surface warfare, and intelligence, surveillance, and reconnaissance missions.
-
E.
Boeing E-6 Mercury
The Boeing E-6 Mercury is a U.S. Navy airborne command post and communications relay aircraft used to maintain secure links with nuclear forces, derived from the Boeing 707 airframe.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
carrier onboard delivery aircraft
ⓘ
military transport aircraft ⓘ |
| aircraftCategory | fixed-wing aircraft ⓘ |
| airframeMaterial | aluminum alloy ⓘ |
| alliedDesignation | C-2A Greyhound ⓘ |
| cargoAccess | rear loading ramp ⓘ |
| configuration | twin-engine ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 4 ⓘ |
| crewRole |
copilot
ⓘ
crew chief ⓘ loadmaster ⓘ pilot ⓘ |
| derivedFrom |
Grumman E-2C Hawkeye
ⓘ
surface form:
Grumman E-2 Hawkeye
|
| designedBy |
Grumman
ⓘ
surface form:
Grumman Aircraft Engineering Corporation
|
| designedFor | aircraft carrier operations ⓘ |
| engineType | turboprop ⓘ |
| firstFlight | 1964 ⓘ |
| fuselageType | widened fuselage compared to E-2 Hawkeye ⓘ |
| introduced | 1966 ⓘ |
| landingGear | tricycle landing gear ⓘ |
| manufacturer | Northrop Grumman ⓘ |
| modernizedVariant |
C-2A Greyhound
ⓘ
surface form:
C-2A(R)
|
| numberOfEngines | 2 ⓘ |
| operatesFrom | aircraft carriers ⓘ |
| operator | United States Navy Fleet Logistics Support Squadrons ⓘ |
| originalManufacturer | Grumman ⓘ |
| primaryMission | logistics support for carrier battle groups ⓘ |
| primaryUser | United States Navy ⓘ |
| propulsion | propeller-driven ⓘ |
| role |
cargo transport
ⓘ
carrier onboard delivery ⓘ mail transport ⓘ personnel transport ⓘ |
| status | in service ⓘ |
| successor |
MV-22B Osprey
ⓘ
surface form:
Bell Boeing CMV-22B Osprey
|
| tailConfiguration | high-mounted tailplane ⓘ |
| takeoffAndLanding |
arrested landing
ⓘ
catapult-assisted takeoff ⓘ |
| typicalPayload |
mail
ⓘ
personnel ⓘ supplies ⓘ |
| usedByConflict |
Cold War era operations
ⓘ
post–Cold War U.S. Navy operations ⓘ |
| usedFor |
rapid resupply of carrier air wings
ⓘ
transport of high-priority cargo ⓘ |
| variant | C-2A ⓘ |
| wingConfiguration | high-wing ⓘ |
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: Northrop Grumman C-2 Greyhound Description of subject: The Northrop Grumman C-2 Greyhound is a twin‑engine, high‑wing cargo aircraft used by the U.S. Navy primarily for carrier onboard delivery (COD) missions, transporting personnel, mail, and supplies to and from aircraft carriers.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Allison T56