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Hiller XH-44 Hiller-Copter

United Helicopters Incorporated

In 1944, at the age of 19, Stanley Hiller, Jr. designed, built, and test flew the first helicopter with coaxial rotors to fly successfully in the United States. The XH-44 was also the first helicopter to fly successfully with all-metal blades and a rigid rotor. Hiller used the counter-rotating coaxial configuration to distinguish his designs from Sikorsky's single main rotor designs that dominated the helicopter industry in the mid-1940s.

Date

1943-1945

Type

CRAFT-Rotary Wing

Medium

Fuselage: Steel, fabric

Department

NASM

Institution

National Air and Space Museum

Object number

nasm_A19530081000

Credit

Gift of the Hiller Aircraft Company