Boeing 247 - Variants

Variants

Model 247

Twin-engined civil transport airliner. Initial production version

247A

Powered by new 625 hp P&W Wasp, on special order for Deutsche Luft Hansa in 1934.

247E

This designation was given to the first Boeing 247 aircraft, it was used to test a number improvements, that were later incorporated into the Boeing 247D

247D

Original one-off was a race aircraft designed for the McRobertson Race; use of Hamilton Standard variable-pitch propellers allowed for a seven mph gain; the 247D configuration incorporated in production series bearing the same name.

247Y

Armed version, one exported to China, second used for trials.

C-73

Designation for Boeing 247D airliners "drafted" into military service in USAAF, 27 in total.