| Mitchell Model AK443FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK446 or AK446FD | Century IV Auto-pilot or Century IV Flight Director | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK446FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK447 or AK447FD | Century IV Auto-pilot or Century IV Flight Director | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK447FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK448 or AK448FD | Century IV Auto-pilot or Century IV Flight Director | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK448FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK449 or AK449FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK449, AK449FD | Century IV | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK449FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK450 | Century III Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK451 | Century III Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK452 | Century III Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK453 | Century III Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK454 | Command Electric Trim System | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK455 | Century I | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK456 or AK456FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK456, AK456FD | Century IV | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK456FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK457 | Century I | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK458 | - | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK463 | Century IIB | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK464 | Century I Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK465 | Century III | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK466, or AK466FD | Century IV Autopilot or Century IV Flight Director | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK466FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK467 | Century II B Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK468 | Century IV Autopilot or AK468FD Century IV Flight Director Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK468 or AK468FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK468, AK468FD | - | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK468FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK469 | Century I Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK470 | Century IIB Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK471 | Century III Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK472 | Century I Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK475 | Century I Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK476 | Century II B Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK477 or AK477FD | Century IV Autopilot or Century IV Flight Director | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK477, AK477FD | - | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK477/FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK479 | Piper Altimatic IIIC Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK481 | Altimatic IIIC | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK483 | Altimatic III C Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK484 | Piper Altimatic IIIC Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK485 | Piper Altimatic IIIC Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK487 | Piper Altimatic IIIC Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK488 | Piper Altimatic IIIC Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK491 | - | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK492, AK492FD | - | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK492/FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |