C-45G AT-7's and
AT-11s remanufactured in early 1950s for the United
States Air Force (USAF) to similar standard as civil
D18S with autopilot and R-985-AN-3 engines. 372 aircraft
rebuilt (c/n AF-61 to AF-60, AF-157 to AF-468; USAF s/n
51-11444 to 51-11503, 51-11600 to 51-11911).