As result of 8 mo of flight testing, demonstration and pilot training at Wright Field more of Sikorsky helicopters are scheduled to be built for service testing under field conditions; advantages of this type of craft for liaison and other specialized military applications are given.
Army's flying windmill
U S Army Air Force -- Air Force
United States Army Air Forces. Air Force ; 26 , n 3
1943
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1945
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