Work of Department of Commerce in promoting aeronautics; licensing aircraft, pilots, and mechanics; total production of aircraft was 2384 during past year; less than 10 per cent of new equipment purchased by air-transport companies; 200 accidents and causes ascribed; encouraging municipalities in establishment of airports; 320 Airway Bulletins and five strip maps issued; Bureau of Standards aeronautical research.
Civil aviation's rapid progress
Aero Digest
Aero Digest ; 12 , n 4
1928
Article (Journal)
English
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Aviation's civil aircraft specifications
Engineering Index Backfile | 1942
Aviation's civil aircraft specifications
Engineering Index Backfile | 1940
Aviation's civil aircraft specifications
Engineering Index Backfile | 1941
Air progress : aviation's leading news
TIBKAT | 1.1941 - 59.1997,2; damit Ersch. eingest.
Civil Aviation's Need Beyond GPS-Based Systems
British Library Conference Proceedings | 1994
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