Comparative study of over-cloud and under-cloud flying for commercial purposes. It is said that under-cloud flying can be successfully performed commercially by individual effort, but always at serious disadvantage compared with overcloud flying. Latter, however, it is noted, can only be engaged in commercially with assistance of organization on a large scale and with specially constructed apparatus.
Over-cloud flying and commercial aeronautics
Aviation
Aviation and Aircraft Journal ; 8 , n 10
1920
7 pages
6 Figs.
Aufsatz (Zeitschrift)
Englisch
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