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Douglas YC-34

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With the success of the Douglas XC-32 prototype tests, the Air Corps ordered two additional aircraft for service testing and designated them YC-34. These two aircraft were assigned 1936 serial numbers (36-345/346) and were nearly identical to the XC-32, with the only significant difference being the interior cabin layout.

The YC-34s were intended for use as VIP staff transports and the interior was finished with some luxury features in addition to standard staff features like small work and conference tables. The YC-34s, later designated C-34, were assigned to the 1st Staff Squadron at Bolling Field, Washington, D.C. and reserved for use by senior Army and Air Corps staff, particularly the Secretary of War.

As World War II approached, newer aircraft took over the senior VIP transport role and the C-34s were used as regular staff transports when not needed for VIP missions. The C-34s remained in use until 1942 when they were replaced by more modern aircraft.

Type Number built/
YC-34 2 Service Test XC-32; used for VIPs

Engines: Wright R-1820-25 radials of 750 hp each
Maximum speed: 204 mph
Cruising speed: 171 mph
Range: 915 miles
Service ceiling: 20,000 ft.
Span: 85 ft. 0 in.
Length: 62 ft. 0 in.
Height: 16 ft. 4 in.
Weight: 18,560 lbs. maximum gross weight
Crew: Two (pilot and co-pilot)
Passenger capacity: 14 in VIP arrangement
Serial numbers: 36-345 and 36-346

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