Boeing 757-200 Continental Airlines Air Refuelers Sikorsky R-4 helicopter model

Sikorsky R-4 helicopter model

Bell MV-22 Osprey USAF airplane model

727-200 ATA airplane model

After contributing to the design of the renowned Gee Bee-Z with the Granville Brothers

Italian certification was achieved in March 1990

Boeing 757-200 Continental Airlines Air Refuelers Sikorsky R-4 helicopter modelBoeing 757 200 United Airlines airplane model. Boeing considered a number of proposals for a successor to the 727 tri jet during the 1970s, with many of these designs featuring the nose and T tail of the earlier jet. It was not until later in that decade however that Boeing settled on a more conventional design featuring the same cross section as the 727 (not to mention the 737, 707 and 720) but with the fuselage considerably longer in length, an all