| AT210488 | Propeller Control Unit Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| AT210488 Ref (P-520-030/A) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| AT210488 Ref: (P-520-030/A) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| AT210657 | Propeller Control Unit Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| AT210657 Ref (P-520-033/A) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| AT210657 Ref: (P-520-033/A) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| AT210937 Ref (P-520-031/A) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| AT210937 Ref: (P-520-031/A) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATA210760H | Propeller Control Unit Constant Speed | Aero Technologies LLC | — | 61 | Flight Controls | PMA |
| ATA210760H Ref (P-520-028/A) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATA210760H Ref: (P-520-028/A) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATA210760HD | Propeller Control Unit | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATA210760L | Propeller Control Unit Constant Speed | Aero Technologies LLC | — | 61 | Flight Controls | PMA |
| ATA210760L Ref (P-520-029/A) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATA210760LD | Propeller Control Unit | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATB 210988 | Propeller Control Unit Constant Speed | Aero Technologies LLC | — | 61 | Flight Controls | PMA |
| ATB210681 | Propeller Control Unit | Aero Technologies LLC | — | 61 | Flight Controls | PMA |
| ATB210760 | Propeller Control Unit Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATB210760 Ref (P-520-035/B) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATB210760 Ref: (P-520-035/B) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATB210761 | Propeller Control Unit | Aero Technologies LLC | — | 61 | Engine Accessories | PMA |
| ATB4-2 | Propeller Control Unit | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATC210680 | Propeller Control Unit Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATC210680 Ref (P-520-032/A) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATC210680 Ref: (P-520-032/A) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATC210680# (see model eligibility) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATD210688D | Propeller Control Unit | Aero Technologies LLC | — | 61 | Engine Accessories | PMA |
| ATD210760 | Propeller Control Unit Constant Speed | Aero Technologies LLC | — | 61 | Flight Controls | PMA |
| ATD210760 Ref (P-520-039/A) | Propeller Governor Constant Speed | Aero Technologies LLC | — | 61 | Engine Accessories | PMA |
| ATD210760* (see model eligibility) | Propeller Governor Constant speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATE210761 | Propeller Control Unit | Aero Technologies LLC | — | 61 | Flight Controls | PMA |
| ATF210761 | Propeller Control Unit | Aero Technologies LLC | — | 61 | Engine Accessories | PMA |
| ATF4-11B | Propeller Control Unit Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATF4-11B Ref (P-520-037/AL) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATF4-13 | Propeller Control Unit Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATF4-13 Ref (P-520-040/AL) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATF4-1A | Propeller Control Unit | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATF4-21 Ref (P-520-039/AL) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATF4-3A | Propeller Control Unit Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATF4-3A Ref (P-520-041/AL) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATF4-4A | Propeller Control Unit Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATF4-4A Ref (P-520-038/AL) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATF4-4A-1 | Propeller Control Unit | Aero Technologies LLC | — | 61 | Engine Accessories | PMA |
| ATF6-58 | Propeller Control Unit Constant Speed | Aero Technologies LLC | — | 61 | Flight Controls | PMA |
| ATF6-58-1 | Propeller Control Unit Constant Speed | Aero Technologies LLC | — | 61 | Flight Controls | PMA |
| ATF6-59 | Propeller Control Unit Constant Speed | Aero Technologies LLC | — | 61 | Flight Controls | PMA |
| ATG210681 | Propeller Control Unit | Aero Technologies LLC | | 61 | Flight Controls | PMA |
| ATG210760 | Propeller Control Unit Constant Speed | Aero Technologies LLC | — | 61 | Flight Controls | PMA |
| ATG210760 Ref (P-520-034/B) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Engine Accessories | PMA |
| ATG210760 Ref: (P-520-034/B) | Propeller Governor Constant Speed | Aero Technologies LLC | | 61 | Flight Controls | PMA |