Boeing CH-46 Sea Knight Landing at Ridley Park, June 2015

CH-46 Sea Knights Landing at Ridley Park, June 2015

Model 107 Test Bed Vehicle Hovering over Vertol Division

Two of the last CH-46 Sea Knights in service with the U.S. Marine Corps, June 2015

CH-46 Sea Knights Taking Off from Ridley Park, June 2015

CH-46 Sea Knight from USMC Helicopter Squadron 774 departs Ridley Park Site

CH-46A Sea Knight Manufacturing at Boeing Vertol

CH-46C Sea Knight in US Army Livery

CH-46E Sea Knight Cabin

CH-46E Sea Knight Flight Deck

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Boeing CH-46 Sea Knight Landing at Ridley Park, June 2015

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One of the last CH-46s in service with the U.S. Marine Corps lands at Boeing’s Philadelphia site.

In 1960, Boeing bought Vertol, a helicopter manufacturer in Philadelphia, Pa. The company had three tandem-rotor helicopters under production: the Chinook for the Army, the Sea Knight for the Navy and the Marines, and the commercial 107-II for the airlines. The twin-turbine tandem-rotor CH-46A Sea Knight won a design competition for a medium assault transport helicopter for the Marine Corps in 1961 and made its first flight in August 1962. The first U.S. Marine Corps Sea Knight was delivered in 1964 and began military service during the Vietnam War a year later, carrying troops and cargo to and from Navy ships in the China Sea.

Between 1964 and 1990, Boeing Vertol delivered over 600 Sea Knights. The U.S. Marine Corps retired the CH-46 Sea Knight in August 2015.

BI45947 (mpf15-0112-0135)

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