MH-53E Sea Dragon

E935190

heavy-lift helicopter military helicopter mine countermeasures helicopter

The MH-53E Sea Dragon is a U.S. Navy heavy-lift helicopter specialized for airborne mine countermeasures and long-range shipboard operations.

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All labels observed (4)

Label	Occurrences
MH-53E Sea Dragon canonical	1
Sikorsky MH-53E Sea Dragon	1
Sikorsky RH-53D	1
Sikorsky RH-53D Sea Stallion	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 ⓘ
capability	external cargo lift ⓘ long-range overwater flight ⓘ shipboard operations from aircraft carriers ⓘ shipboard operations from amphibious assault ships ⓘ
countryOfOrigin	United States ⓘ linked to: United States of America
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 ⓘ linked to: Sikorsky Aircraft (until divestiture)
maximumSpeed	170 knots ⓘ 315 km/h ⓘ
maximumTakeoffWeight	42140 kg ⓘ 93000 lb ⓘ
missionEquipment	influence minesweeping gear ⓘ mechanical minesweeping gear ⓘ towed sonar sled ⓘ
nicknamed	Sea Dragon ⓘ
operator	United States Navy ⓘ
powerplant	3 × General Electric T64-GE-419 turboshaft engines ⓘ
primaryMissionEquipment	AN/AQS-14 mine-hunting sonar ⓘ
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 ⓘ
status	in service ⓘ
tailConfiguration	canted tail rotor ⓘ
tailRotorBlades	4 ⓘ
usedBy	Japan Maritime Self-Defense Force ⓘ