The Dornier Do 26 was an all-metal gull-winged flying boat produced before and during World War II by Dornier Flugzeugwerke of Germany. It was operated by a crew of four and was intended to carry a payload of 500 kg (1,100 lb) or four passengers on the Lisbon to New York route. The Do 26 was of all-metal construction. The hull had a central keel and a defined step; the wings were of gull wing configuration, the outer sections being equipped with fully retractable narrow stabilizing wing-floats, instead of Dornier's famous "water-wing" sponsons extending from the lower hull for lateral stabilization. Its four engines, Junkers Jumo 205C diesels, were mounted in tractor/pusher pairs in tandem nacelles located at the joint between the dihedral and horizontal wing sections. The rear (pusher) engines could be swung upwards through 10° during take-off and landing, to prevent contact between the three-blade airscrew and water spray created by the forward propellers. The t...