First flight of the Sikorsky CH-19D Chickasaw
Friday, November 4, 1949
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Description
Source: "US Army Rotary Wing Training & Test Aircraft 1940s – 1960s", Paul, Fardink, AHS 2018 VTOL History Calendar - April
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Description
Source: "US Army Rotary Wing Training & Test Aircraft 1940s – 1960s", Paul, Fardink, AHS 2018 VTOL History Calendar - April
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