Travel Air models
| Model, sort | Registered, sort | Years built, sort |
|---|---|---|
| Travel Air 4000 | 26 | 1926–1929 |
| Travel Air D-4000 | 11 | 1929–1930 |
| Travel Air E-4000 | 11 | 1928–1929 |
| Travel Air 12-W | 5 | 1931 |
| Model, sort | Registered, sort | Years built, sort |
|---|---|---|
| Travel Air 4000 | 26 | 1926–1929 |
| Travel Air D-4000 | 11 | 1929–1930 |
| Travel Air E-4000 | 11 | 1928–1929 |
| Travel Air 12-W | 5 | 1931 |