The Command-Aire 3C3 and similar 4C3 and 5C3 are American three-seat open cockpit utility, training and touring biplanes developed by Command-Aire in the late 1920s and early 1930s.
Command-Aire 3C3
Command Aire 3C3 prototype from Aero Digest, February 1928
Command-Aire 3C3 showing salient characteristics, including triangulated cabane that was simplified on later models
The Command-Aire 5C3 was featured in the Berryloid advertising series for aircraft dope, each featuring a different fabric covered aircraft, and each aircraft painted as a different bird. This advert was from the November 1929 Aerodigest
The Travel Air 2000/3000/4000 were open-cockpit biplane aircraft produced in the United States in the late 1920s by the Travel Air Manufacturing Company. During the period from 1924–1929, Travel Air produced more aircraft than any other American manufacturer, including over 1,000 biplanes. While an exact number is almost impossible to ascertain due to the number of conversions and rebuilds, some estimates for Travel Air as a whole range from 1,200 to nearly 2,000 aircraft.
Travel Air 2000
Curtiss OX-5-powered Travel Air 2000 at the Historic Aircraft Restoration Museum, Dauster Field, Creve Coeur, Missouri
Travel Air 3000
Travel Air 4000 at Fantasy of Flight.
