CH-46E "Sea Knight"

Name  CH-46E "Sea Knight" (Boeing Vertol Company)
Type  Medium lift assault helicopter
Year  January 1978
Engine  Two GE-T58-16 engines : 1770 SHP
Length  84 feet, 4 inches (25.69 meters) (rotors turning)
Height  16 feet, 8 inches (5.08 meters)
Payload  Combat: maximum of 14 troops with aerial gunners
Medical evacuation: 15 litters and 2 attendants
Cargo: maximum of 4,000 pound (2270 kilograms) external load
Weight  24,300 pounds (11,032 kilograms)
Max. speed  145 knots (166.75 miles per hour)
Operational Range  132 nautical miles (151.8 miles) for an assault mission
Service ceiling  10,000 feet (+) 
Crew  Normal 4:  pilot, copilot, crew chief, and 1st mechanicm 
Combat 5:  pilot, copilot, crew chief, and 2 aerial gunners
Armament  AN/ALE-39 Chaff system and SUU-4/1 Flare dispensers 


Mission:
The mission of the CH-46E Sea Knight helicopter in a Marine Medium Helicopter (HMM) squadron is to
      provide all-weather, day/night, night vision goggle (NVG) assault transport of combat troops, supplies, and equipment
      during amphibious and subsequent operations ashore. Troop assault is the primary function and the movement of supplies
and equipment is secondary. Additional tasks are: combat and assault support for evacuation operations and other maritime special
operations; over-water search and rescue augmentation; support for mobile forward refueling and rearming points; aeromedical
evacuation of casualties from the field to suitable medical facilities.

Background:
The CH-46 Sea Knight was first procured in 1964 to meet the medium-lift requirements of the Marine Corps in
Viet Nam with a program buy of 600 aircraft. The aircraft has served the Marine Corps in all combat and peacetime
environments. However, normal airframe operational and attrition rates have taken the assets to the point where a medium lift
replacement is required. The safety and capability upgrades are interim measures to allow continued safe and effective operation
of the Sea Knight fleet until a suitable replacement is fielded.
Source-U.S.M.C.

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