There're 4 aircraft made by Allen.
| N16725 | 1975 Allen HOT AIR BALLOON | 129 | 0 | 1 | DC, United States |
| N2226 | 1971 Allen MUSTANG M-1 | 566 | 1 | 1 | FL, United States |
| N3805 | 0000 Allen BALLOON #1 | A-128 | 0 | 1 | ,N, |
| N8591 | 1972 Allen TERN SAILPLANE | GA/WTM-9-70 | 0 | 1 | LA, United States |
