| AK978-2131 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AK978-2150 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AK978-2151 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AK979 dtd 3-10-88 Dwg. 87A1190 dtd 3-10-88 | Century 2010/2030/2031 Autopi1ot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| AK980 dtd 04-19-88 Dwg. 87A1191 dtd 04-19-88 | Century 2010/2030/2031 Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| AK980-2010 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AK980-2030 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AK980-2031 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AK980-2050 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AK980-2051 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AK981 dtd 04-25-88 Dwg. 87A1192 dtd 04-25-88 | Century 2110/2130/2131 Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| AK981-2110, -2130, -2131, -2150, -2151 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AK982 dtd 05-10-88 Dwg. 87A1193 dtd 05-10-88 | Century 2010/2030/2031 Antopi1ot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| AK982-2010 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK982-2030 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK982-2031 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK982-2050 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK982-2051 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK983 dtd 05-23-88 Dwg. 87A1194 dtd 05-23-88 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| AK984 dtd 07-01-08 Dwg. 87A1195 dtd 07-01-88 | Century Command Trim System | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| AK985 dtd 09-01-88 Dwg. 87A1196 dtd 09-01-88 | Century Command Trim System | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| AK986 dtd 09-19-88 Dwg. 87A1197 dtd 09-19-88 | Century 2110/2130/2131 Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| AK986-2110, -2130, -2131, -2150, -2151 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK987 dtd 09-26-88 Dwg. 87A1198 dtd 09-26-88 | Century Command Trim System | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| AK988 dtd 09-30-88 Dwg. 87A1199 dtd 09-30-88 | Century 2110/2130/2131 Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| AK989 dtd 12-22-88 Dwg. 87A1200 dtd 12-22-88 | Century 2010/2030/2031 Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| AK989-2010, -2030, -2031, -2050, -2051 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK990 | Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| AK991 per Bulletin No. 2049 | Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| AK991-2110 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK991-2110, -2130, -2131, -2150, -2151 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK991-2130 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK991-2131 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK991-2150 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK991-2151 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK992-2110, -2130, -2131, -2150, -2151 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AK992-2110, AK992-2130, AK992-2131 per Bulletin No. 2050 NC dtd 2/15/90. | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| AK993-2010, -2030, -2031, -2050, -2051 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Avionics / Electronics | PMA |
| AK993-2110, AK993-2130, AK993-2131 per Bulletin No. 2151 N/C dtd 2/15/90 | Century 2000 Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| AK996-2010, -2030, -2031, -2050, -2051 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AK998-2010, -2030, -2031, -2050, -2051 | Century 2000 Autopilot | Century Flight Systems Inc | — | 22 | Avionics / Electronics | PMA |
| AKI97 | Mitchell Kit | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Century 41 AK971 dtd 12-28-87 Dwg. No. 87A1176 dtd 12-28-87 | Century Autopilot | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Century Flight System Model AK924 | Century 31 Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Century Flight System Model AK926 | Century 31 Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Century Flight System Model AK927 or AK927/FD | Century 41 Autopilot or Century 41 Flight Director | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Century Flt. Syst. Model AK557 | Century III Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Century Flt. Syst. Model AK907 or AK907/FD | Century 41 Autopilot or Century 41 Flight Director | Century Flight Systems Inc | — | 22 | Flight Controls | PMA |
| Century Flt. Syst. Model AK924 | Century 31 Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |
| Century Flt. Syst. Model AK928 | Century 31 Autopilot | Century Flight Systems Inc | | 22 | Flight Controls | PMA |