MH-53E Sea Dragon
E935190
The MH-53E Sea Dragon is a U.S. Navy heavy-lift helicopter specialized for airborne mine countermeasures and long-range shipboard operations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MH-53E Sea Dragon canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11367615 — 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: MH-53E Sea Dragon Context triple: [CH-53 Sea Stallion, hasVariant, MH-53E Sea Dragon]
-
A.
CH-53E Super Stallion
The CH-53E Super Stallion is a heavy-lift transport helicopter used by the U.S. Marine Corps for moving troops, vehicles, and equipment in demanding combat and support operations.
-
B.
CH-53 Sea Stallion
The CH-53 Sea Stallion is a heavy-lift military transport helicopter used primarily by the U.S. Marine Corps for troop movement, cargo transport, and assault support missions.
-
C.
CH-53G
The CH-53G is a heavy-lift military transport helicopter variant of the Sikorsky CH-53, operated primarily by Germany for tactical airlift and support missions.
-
D.
CH-147F Chinook
The CH-147F Chinook is a Canadian variant of the Boeing CH-47 heavy-lift transport helicopter, optimized for tactical troop and cargo missions in demanding environments.
-
E.
CH-53K King Stallion
The CH-53K King Stallion is a U.S. Marine Corps heavy-lift cargo helicopter designed to carry larger payloads over longer distances with advanced avionics and improved performance compared to earlier CH-53 variants.
- 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: MH-53E Sea Dragon Target entity description: The MH-53E Sea Dragon is a U.S. Navy heavy-lift helicopter specialized for airborne mine countermeasures and long-range shipboard operations.
-
A.
CH-53E Super Stallion
The CH-53E Super Stallion is a heavy-lift transport helicopter used by the U.S. Marine Corps for moving troops, vehicles, and equipment in demanding combat and support operations.
-
B.
CH-53 Sea Stallion
The CH-53 Sea Stallion is a heavy-lift military transport helicopter used primarily by the U.S. Marine Corps for troop movement, cargo transport, and assault support missions.
-
C.
CH-53G
The CH-53G is a heavy-lift military transport helicopter variant of the Sikorsky CH-53, operated primarily by Germany for tactical airlift and support missions.
-
D.
CH-147F Chinook
The CH-147F Chinook is a Canadian variant of the Boeing CH-47 heavy-lift transport helicopter, optimized for tactical troop and cargo missions in demanding environments.
-
E.
CH-53K King Stallion
The CH-53K King Stallion is a U.S. Marine Corps heavy-lift cargo helicopter designed to carry larger payloads over longer distances with advanced avionics and improved performance compared to earlier CH-53 variants.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
heavy-lift helicopter
ⓘ
military helicopter ⓘ mine countermeasures helicopter ⓘ |
| armedWith | door-mounted machine guns ⓘ |
| basedOn | CH-53E Super Stallion NERFINISHED ⓘ |
| capability |
external cargo lift
ⓘ
long-range overwater flight ⓘ shipboard operations from aircraft carriers ⓘ shipboard operations from amphibious assault ships ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| crew | 3 ⓘ |
| crewRole |
aircrewman
ⓘ
copilot ⓘ pilot ⓘ |
| designFeature |
enlarged sponsons for additional fuel
ⓘ
strengthened airframe for towing loads ⓘ |
| endurance | about 4 hours ⓘ |
| engineCount | 3 ⓘ |
| engineType | turboshaft ⓘ |
| ferryRange | about 1000 nmi with auxiliary tanks ⓘ |
| firstFlight | 1981 ⓘ |
| height |
28.5 ft
ⓘ
8.7 m ⓘ |
| introduced | 1986 ⓘ |
| landingGear | tricycle landing gear ⓘ |
| length |
30.2 m
ⓘ
99 ft ⓘ |
| mainRotorBlades | 7 ⓘ |
| manufacturer | Sikorsky Aircraft NERFINISHED ⓘ |
| maximumSpeed |
170 knots
ⓘ
315 km/h ⓘ |
| maximumTakeoffWeight |
42140 kg
ⓘ
93000 lb ⓘ |
| missionEquipment |
influence minesweeping gear
ⓘ
mechanical minesweeping gear ⓘ towed sonar sled ⓘ |
| nicknamed | Sea Dragon NERFINISHED ⓘ |
| operator | United States Navy ⓘ |
| powerplant | 3 × General Electric T64-GE-419 turboshaft engines ⓘ |
| primaryMissionEquipment | AN/AQS-14 mine-hunting sonar GENERATED ⓘ |
| primaryRole | airborne mine countermeasures ⓘ |
| range | 1000 km-class ⓘ |
| rotorDiameter |
24 m
ⓘ
79 ft ⓘ |
| secondaryRole |
heavy-lift transport
ⓘ
long-range shipboard operations ⓘ |
| serviceBranch | U.S. Navy Helicopter Mine Countermeasures Squadrons NERFINISHED ⓘ |
| status | in service ⓘ |
| tailConfiguration | canted tail rotor ⓘ |
| tailRotorBlades | 4 ⓘ |
| usedBy | Japan Maritime Self-Defense Force NERFINISHED ⓘ |
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: MH-53E Sea Dragon Description of subject: The MH-53E Sea Dragon is a U.S. Navy heavy-lift helicopter specialized for airborne mine countermeasures and long-range shipboard operations.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.