Revised 1 May, 1945.
AAF Manual No. 50-12.
"Published for Headquarters, AAF, Office of Assistant Chief of Air Staff, Training by Headquarters, AAF, Office of Flying Safety" according to title page.
"Prepared for Headquarters AAF, Office of Assistant Chief of Air Staff Training by Headquarters AAF, Office of Flying Safety" -- Title page.
Dated March 1945.
AAF manual no. 50-17.
Copy 1 reprinted by George A. Petersen, NCHS Inc.
Includes…