Requirements of helicopters for observation, reconnaissance, and cargo transport; problem of availability of suitable landing fields; economic analysis; balancing of benefits against costs; relative merits of convertiplane and conventional helicopter. Paper before 2nd Convertible Aircraft Congress.
Position of convertible aircraft in army aviation
Am Helicopter
American Helicopter ; 30 , n 6
1953
3 pages
Article (Journal)
English
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Engineering Index Backfile | 1949
|Engineering Index Backfile | 1951
|Engineering Index Backfile | 1951
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