WesWorld

Lockheed C-36

Lockheed YC-36, a standard Model 10-A Electra supplied to the USAAF for staff transportation in 1936. Dimensions 55/ 38.7/ 10.1/ 458.3 sq ft; two 450-550hp Pratt & Whitney R-985 Wasp Junior radials; max speed 201 mph; cruising speed 194mph; service ceiling 24,000ft; range 666 miles.
Variants and production figures: 3 YC-16 staff transports, 1YC-37 for the National Guard Bureau

Lockheed C-40

Lockheed C-40, a standard Model 12 seating six passengers which first flew in 1933. Dimensions 49.6/ 36.4/ 9.9/ 352 sq ft; two 450hp Pratt & Whitney R-985 Wasp Junior radials; max speed 225 mph; cruising speed 212mph; service ceiling 22,900ft; range 800miles.
Variants and production figures: 3 C-40, 10 C-40A with five passenger seats

Beech C-45 Expeditor

Beech C-45 Expeditor, a transport variant of the Beech 18 six-seat transport; dimensions 47.8/ 34.2/ 9.8/ 349 sq ft; two 450hp Pratt & Whitney R-985; max speed 215mph; service ceiling 20,000ft; normal range 850 miles.
Variants and production figures: 11 C-45 staff transports, 20 C-45A transports with minor interior changes

Douglas C-47 Dakota

Douglas C-47 Dakota, a USAAF cargo version of the DC-3 with cargo door in the port side and removable seats for 28 troops or 18 litters. Dimensions 95/ 64.2/ 16.11/ 987 sq ft; two 1,200hp Pratt & Whitney R-1830 Twin Wasp; max speed 229mph; cruising speed 185mph; service ceiling 23,200ft; range 1,500 miles.
Variants and production figures:
52 C-47
193 C-47A with 24-volt electrical system
17 C-117 staff transports, these are standard DC-3 airliners

Douglas C-54 Skytrain

Douglas C-54 Skytrain, a variant of the DC-4 airliner. Dimensions 117.6/ 93.11/ 27.6/ 1,463 sq ft; four 1,350hp Pratt & Whitney R-2000; max speed 274mph; cruising speed 239mph; service ceiling 22,000ft; range 3,900 miles.
Variants and production figures:
9 C-54 basic DC-4 airliner in service from mid-1941
C-54A improved variant with cargo door on port side, 33 bucket seats for troops, stronger floor, cargo boom hoist and increased fuel capacity. 62 are on order for delivery from 1943.

Lockheed C-57

Lockheed C-57, a standard Model 18 Lodestar airliner with a crew of three and 18 passengers first flown in September 1937. Dimensions 65.6/ 49.10/ 11.1/ 550 sq ft; two Pratt & Whitney R-1830-53 radials; max speed 253 mph; cruising speed 200mph; service ceiling 23,300ft; range 1,600miles.
Variants and production figures: 13 C-57, 1 C-56 with Wright R-1820-29 engines.

Fairchild C-82 Packet

Fairchild C-82 Packet, developed to meet a 1940 specification for a dedicated cargo carrying aircraft. The C-82 has a high-wing monoplane with two engine nacelles which form two booms carrying the tailplane with twin fins and a horizontal tailplane between them. The fuselage is a large square cross-section body with two clamshell doors in the rear opening outwards with ramps so that vehicles can be driven straight into the hold. Two paradrop doors are also fitted. Cargo capacity will be ten tons and 42 troops can be carried. The first flight is planned for 1942. Dimensions 106/ 77.1/ 26.4/ 1,400 sq ft; two 2,100hp Pratt & Whitney R-2800-22 radials; max speed 248mph; cruising speed 218mph; service ceiling 21,200ft; range 3,875 miles.
Variants and production figures: 1 XC-82 prototype, C-82A production version (no orders yet)