Instructions for loading a jeep into a C-47 cargo plane from Loading of Field Artillery Materiel for Air Transport, Instruction Memorandum, Field Artillery School, Fort Sill, Oklahoma, March 1943.

The C-47 airplane. This airplane has a pay load of 4900 pounds when loaded with 450 gallons of gasoline and is capable of carrying the 37-mm gun, the 75-mm howitzer and the 105-mm howitzer, M3, but no heavier weapons. Early models have a door only 70 inches wide; later models have a door 84½ inches wide which permits the 1/4-ton truck to be loaded. Weapons and vehicles are loaded by hand by means of a ramp.