| Mitchell Model AK399 | - | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK400 | Century II B Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK401 | Century II B Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK402 | Century IIB | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK404 | Century II B Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK405 | - | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK408 | Century II | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK409 | Century I | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK410 | Command Electric Trim System | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK413 | - | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK414 | - | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK415 | Century II B Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK420 | Century I Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK421 | Century IIB Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK422, AK422FD | Century IV | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK426 | Century I | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK429 or AK429/FD | Century IV | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK429FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK430 | AutoFlite II Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK431 | AutoControl IIIB Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK436 | - | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Mitchell Model AK438FD | Century IV Autopilot or Century IV Flight Director Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK438or AK438FD | Century IV | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK440 | Command/Electric Trim | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK442 | Century III | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK443 or AK443FD | Century IV Autopilot or Century IV Flight Director | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Mitchell Model AK443, AK443FD | - | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| 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 |