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The Douglas R4D ‘Skytrain’
Drawing by Kerr Eby, U.S. Navy Combat Art Collection
Not all aircraft in the Central Solomons were fighters or bombers. The Douglas DC-3 Skytrain or Dakota (C-47 in the Navy version) was designed in 1933, and became the standard American transport of the war. The plane was an all-metal monoplane with twin engines and retractable landing gear. It was powered by two Pratt & Whitney radial engines of 1,200 horsepower each. It carried a crew of three, 28 passengers or 18 stretchers, and three medical attendants. It could also carry up to 6,000 pounds of cargo at average speeds of 185 miles-per-hour. The U.S. Navy and Marines had some 600 Skytrains, designated as R4Ds. In the Central Solomons they were used for air resupply and medical evacuation. The Marines were still using the C117, a variation of the R4D into the 1970’s.