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The Air Corps ordered eleven Beech Model B18S aircraft in late 1939 and designated them C-45. The planes were essentially identical to the civilian version of the aircraft and used by the Army for light transport, staff and liaison missions.
The plane was powered by two Pratt & Whitney Wasp Junior radials and cruised at 211 mph, carrying a maximum of six passengers and crew.
The Air Corps ordered more than 1,300 C-45s with most produced as the C-45F. During the early 1950s, Beech completely rebuilt 900 C-45s for the Air Force. They received new serial numbers and were designated C-45Gs and C-45Hs, remaining in service until 1963 for administrative and light cargo duties.
||Beech Model B18S
Engines: Two Pratt & Whitney R-985-17 Wasp Junior radials of 450 hp each
Maximum speed: 225 mph
Cruising speed: 211 mph
Range: 1,200 miles
Service ceiling: 18,500 ft.
Span: 47 ft. 8 in.
Length: 34 ft. 3 in.
Height: 9 ft. 2 in.
Weight: 7,660 lbs. loaded weight
Crew: One or two (pilot and co-pilot)
Passenger capacity: Five
Serial numbers: 40-180 to 40-190
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