In activities in the continental U. S. since Pearl Harbor, the AAF has lost 17,500 planes, an average of one plane for 4,342 hours of flight. The total includes 11,000 planes lost in wrecks, 2,500 others still useful in ground training and 4,000 worn out by training and transport flying. It has had 5,600 fatal flying accidents and about 11,000 fatalities, representing a training mortality rate of 2 percent. Since Pearl Harbor the AAF has trained and graduated 163,147 pilots (including 5,122 glider pilots). 31,293 bombardiers and 31,906 navigators.
YANK 3 Nov 1944