Lockheed helicopters


Lockheed CL-475 Lockheed CL-475

1959

Lockheed started a programme of helicopter research in the mid-1950s. The CL-475 (N6940C) was a ...

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The Lockheed Model 186 was designed in response to a 1960 joint Army/Navy requirement for ...

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Lockheed XH-51

1962

Lockheed XH-51

Lockheed XH-51 Compound Lockheed XH-51 Compound

1964

The XH-51A's quite impressive performance significantly improved, however, following the second prototype's 1964 conversion into ...

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The Lockheed AH-56 Cheyenne attack helicopter was created in response to the US Army's need ...

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Lockheed AH-56A "Cheyenne"

1967

Lockheed AH-56A "Cheyenne"