The AT-11 was the
standard WW II bombing trainer; about 90 percent of the more than
45,000 AAF bombardiers trained in AT-11s. Like the C-45 transport and
the AT-7 navigation trainer, the Kansan was a military version of the
Beechcraft Model 18 commercial transport. Modifications included a
transparent nose, a bomb bay, internal bomb racks, and provisions for
flexible guns for gunnery training.
normally dropped 100-lb. sand-filled practice bombs. In 1943, the AAF
established a minimum proficiency standard of 22 percent hits on target
for trainees. Combat training missions were flown taking continuous
evasive action within a ten-mile radius of the target and final target
approaches had to be straight and level and no longer than 60 seconds.
After September 30, 1943, these missions were generally flown using the
Norden Bombsight and the C-1 automatic pilot, the aircraft being guided
by the bombardier student during the bombing run.
Span: 47 ft. 7 3/4 in.
Length: 34 ft. 1 7/8 in.
Height: 9 ft. 7 3/4 in.
Weight: 9,300 lbs. maximum
Armament: Two .30-cal. machine guns when used as a gunnery
Engine: Two Pratt & Whitney R-985 of 450 hp. each
Maximum speed: 215 mph.
Cruising speed: 150 mph.
Range: 745 miles
Service Ceiling: 20,000 ft.