Aeronautical training;
"a quiz system" covering navigation, meteorology, aircraft, aircraft engines, air commerce regulations, including air traffic rules.
By Charles A. Zweng.

APA Citation

Zweng, C. Alfonso., Pan American Navigation Service. (1941). Aeronautical training: "a quiz system" covering navigation, meteorology, aircraft, aircraft engines, air commerce regulations, including air traffic rules. Rev. and enlarged. Glendale, Calif.: Pan American navigation service.

MLA Citation

Zweng, Charles Alfonso, 1893-, and Pan American Navigation Service. Aeronautical Training: "a Quiz System" Covering Navigation, Meteorology, Aircraft, Aircraft Engines, Air Commerce Regulations, Including Air Traffic Rules. Rev. and enlarged. Glendale, Calif.: Pan American navigation service, 1941.