Bell 309 KingCobra

Bell 309 KingCobra
A Bell 309 twin-engine variant
General information
TypeAttack helicopter prototype
ManufacturerBell Helicopter
Primary userUnited States Army
Number built2
History
First flight10 September 1971 (Twin-engine) January 1972 (Single engine)
Developed fromBell AH-1 Cobra

The Bell Model 309 KingCobra was an experimental attack helicopter developed by Bell Helicopter, based on the Bell AH-1 Cobra.

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