Travel Air 4000

Model 4000
Travel Air B-4000, registration NC174V
General information
TypeGeneral aviation
National originUnited States
ManufacturerTravel Air
Number builtc.100
History
First flight1927
Developed fromTravel Air Model B

The Travel Air 4000 is an American general-purpose biplane of the 1920s, a member of the family of aircraft that began with the Travel Air Model A. It was later known as the Model 4. Derived from the Model BW, around 100 were built, including two that were converted from Model 2000s.