Pigs.9,10 N.A.C.A. Technical Memorandum No. 664 IMMEO] Seriously damaged Slightly damaged Destroyed er^-—i Coiroerc i a 1 Training =L Tra scellaneous Mi 0 50. 100 150 200 Totrl Ko. of accidents … Feb. April June Aug. Oct. Dec, Number of accidents in 1930 for the different months and Fi^-9 different kinds of flight. r>,68,900 a, Commercial Z 13 0,3 C O Total accidents .J 2 7,6 50 b, Training Commercial 0 40,000 Training c, Mi scellaneous Total ITo- of Miscellaneous accidents Jan. { Mar. {May…
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