Abstract of annual report of Director of Aeronautics Branch of Department of Commerce; growth of air commerce and airplane industry due in no small measure to strict enforcement of federal regulations; which inspired public confidence in its safety; communication to aircraft in flight along transcontinental route soon available; 224 violations of regulations during last year.
United States emerges aeronautically
Air Services
Air Services ; 14 , n 1 ; p 54
1929
Aufsatz (Zeitschrift)
Englisch
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