The design was intended to replace the Focke-Wulf Fw 200 Condor.
The proposed Fw 300 had an all-metal airframe, a low-wing cantilever configuration, and a pressurized fuselage, possessing a smoothly contoured forward fuselage and nose, somewhat reminiscent of the Boeing 307 Stratoliner airliner in shape.
Four wing-mounted piston engines were proposed to drive the aircraft.
In the proposed military configuration, the eight-man crew was to have been enclosed in one pressure cabin, and the defensive gun armament operated remotely.
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