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CH-46D/E Sea Knight

Service: Navy and Marine Corps

Description: Medium lift assault helicopter, primarily used to move cargo and troops.

Mission: The CH-46D Sea Knight helicopter is used by the Navy for shipboard delivery of cargo and personne. The CH-46E is used by the Marine Corps to provide all-weather, day-or-night assault transport of combat troops, supplies and equipment. Troop assault is the primary function and the movement of supplies and equipment is secondary. Additional tasks may be assigned, such as combat support, search and rescue, support for forward refueling and rearming points, aeromedic evacuation of casualties from the field and recovery of aircraft and personnel.

Background: The CH-46 Sea Knight was first procured in 1964 to meet the medium-lift requirements of the Marine Corps in all combat and peacetime environments since that time. The Sea Knight fleet is currently being maintained until a suitable replacement is approved.

Point of Contact:
U.S. Marine Corps Headquarters
Division of Public Affairs
Washington, DC 20380-1775
(703) 614-1492

General Characteristics

Primary Function: Medium lift assault helicopter
Contractor: Boeing Vertol Company
Power Plant: Two GE-T58-16 engines
Thrust: 1,770 hp
Length: 45 feet, 8 inches (13.89 meters) with rotors folded

84 feet, 4 inches (25.7 meters) with rotors spread
Width: 51 feet (15.54 meters) with rotors spread
Height: 16 feet 8 inches (5.08 meters)
Maximum Takeoff Weight: 24,300 pounds (11,032 kg)
Range: 132 nautical miles (151.8 miles) for land assault mission
Speed: 145 knots (166.75 miles per hour)
Ceiling: 10,000 feet plus
Crew: Four: pilot, copilot, crew chief, mechanic
Payload:
Combat: max. of 22 troops and two aerial gunners
Medical evacuation: 15 litters, two attendants
Cargo: 5,000 pounds (2270 kg) maximum
Introduction date: January 1978

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