| Project Number | Type | Registration with tick if current | ||
|---|---|---|---|---|
| PFA 1363 | Wittman W.8 Tailwheel | G-AYDU | ✖ | |
| PFA 3501 | Wittman Tailwind | (not registered yet) | ||
| PFA 3502 | Whittaker W-8 Tailwind | G-BNOB | ✔ | |
| PFA 3503 | Wittman Tailwind | (not registered yet) | ||
| PFA 3504 | Wittman W.8 Tailwheel | G-BALR | ✖ | |
| PFA 3507 | Wittman W.8 Tailwind | G-BDAP | ✔ | |
| PFA 3508 | Wittman W.8 Tailwind | G-BDJC | ✖ | |
| PFA 031-10065 | AJEP Tailwind | (not registered yet) | ||
| PFA 031-10101 | AJEP Tailwind | (not registered yet) | ||
| PFA 031-10259 | Whittaker W8 Tailwind | N66ZM | ||
| PFA 031-10503 | Whittaker W8 Tailwind | G-BMHL | ✔ | ![G-BMHL Wittman W8 [PFA 031-10503] Sywell 300819](https://live.staticflickr.com/65535/49933961928_ceed17da12.jpg) |
| PFA 031-10551 | Whittaker W10 Tailwind | G-BOIB | ✔ | ![G-BOIB Wittman W.10 [PFA 031-10551] Popham 050512 (2)](https://live.staticflickr.com/65535/51099055789_2a12c82a45_m.jpg) |
| PFA 031-10601 | Whittman Tailwind | (not registered yet) | ||
| PFA 031-10688 | Wittman W10 Tailwind | G-BJWT | ✔ |  |
| PFA 031-10954 | Wittman Tailwind | (not registered yet) | ||
| PFA 031-11028 | Wittman W8 Tailwind | G-BPYJ | ✔ | ![G-BPYJ Wittman W.8 [PFA 031-11028] Sywell 010917](https://farm5.staticflickr.com/4523/24400635698_b561b85cbf.jpg) |
| PFA 031-11145 | Whittman Tailwind | (not registered yet) | ||
| PFA 031-11151 | Whittaker W.8 Tailwind | G-BOHV | ✔ | |
| PFA 031-11339 | Whittaker W8 Tailwind | G-ZIPY | ✔ | |
| PFA 031-11490 | Whittaker W10 Tailwind | G-JBPR | ✖ | |
| PFA 031-11789 | Whittaker W8 Tailwind | G-CFON | ✔ | |
| PFA 031-12161 | Whittman Tailwind | (not registered yet) | ||
| PFA 031-12407 | Whittaker W8 Tailwind | G-WYND | ✔ | |
| PFA 031-14003 | Whittaker W10 Tailwind | G-CEJE | ✔ | |
| PFA 031-14725 | Whittaker W10 Tailwind | G-CIJY | ✔ | |