Piasecki CH-21C Shawnee

The H-21 was the fourth tandem rotor helicopter design to come from Piasecki. It was first flown in 1949 and was used by the U.S. Army, U.S. Air Force, Canadian Air Force, French Navy, and West German Air Force. The CH-21C was used as an assault transport during the early years of American involvement in the Vietnam War. It could carry 20 troops at a time but was considered very vulnerable to ground fire. It was the primary helicopter used in Vietnam until 1964 when the Army began to replace it with UH-1 and CH-47.

Rotor Diameter	44 ft 6 in. each
Length	52 ft 7 in.
Height	15 ft 4 in.
Weight	10,223 lbs (loaded)
Maximum Speed	132 MPH
Service Ceiling	19,200 ft
Range	400 miles
Engines	One Wright R-1820-103 radial with 1,425 horsepower
Crew	2 with 20 passengers

Manufacturer
Piasecki

Markings
93^rd Transportation Company, South Vietnam, 1962

Serial Number
56-2159

Designation
CH-21C