First flight of the Hughes TH-55A Osage
Tuesday, October 2, 1956
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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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