| ASU-A119INST-2 | Instrument 2 Filter | Aviation Specialties Unlimited Inc | — | 33 | Avionics / Electronics | PMA |
| ASU-A119INST-3 | Instrument 3 Filter | Aviation Specialties Unlimited Inc | | 33 | Avionics / Electrical | PMA |
| ASU-ACH1000-1INT | ACH1000 Filter | Aviation Specialties Unlimited Inc | | 33 | Electromechanical | PMA |
| ASU-ACH1000-2 | Blue Sky Network Filter | Aviation Specialties Unlimited Inc | — | 33 | Avionics / Electrical | PMA |
| ASU-ADI-A119-1 | ADI Filter | Aviation Specialties Unlimited Inc | | 33 | Avionics / Electrical | PMA |
| ASU-AG119CWY-1 | Agusta A-119 Master Caution | Aviation Specialties Unlimited Inc | | 31 | Instruments | PMA |
| ASU-AG119CWY-2 | Agusta A-119 Master Caution | Aviation Specialties Unlimited Inc | | 33 | Avionics / Electrical | PMA |
| ASU-AMS-2000-1 | Shadin Altitude Management System Filter | Aviation Specialties Unlimited Inc | | 33 | Avionics / Electrical | PMA |
| ASU-ANNC-2 | Annunciator Filter | Aviation Specialties Unlimited Inc | | 31 | Instruments | PMA |
| ASU-ANNC-5 | ASU Filter | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-ANNC-6 | NVIS Filter | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-AP-3 | Sperry A109 AP Controller | Aviation Specialties Unlimited Inc | | 33 | Electromechanical | PMA |
| ASU-APGX50-1 | Apollo GX50 GPS | Aviation Specialties Unlimited Inc | | 34 | Avionics / Electronics | PMA |
| ASU-APOLLO-GX55-1 | Apollo GX55 Filter | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-ARGUS7000-1 | Argus 7000 Moving Map Display | Aviation Specialties Unlimited Inc | | 34 | Avionics / Electronics | PMA |
| ASU-ARNAV5000-1 | ARNAV Star 5000 GPS | Aviation Specialties Unlimited Inc | | 34 | Avionics / Electronics | PMA |
| ASU-ARTH-2 | ASU Artificial Horizon Filter | Aviation Specialties Unlimited Inc | — | 33 | Avionics / Electrical | PMA |
| ASU-ARTH-3 | Artificial Horizon Filter 3 | Aviation Specialties Unlimited Inc | | 33 | Avionics / Electronics | PMA |
| ASU-AS350PODLHTDBLR-1 | Glareshield Light Doubler | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-AS365ARTHZ2-1 | Artificial Horizon #2 Filter | Aviation Specialties Unlimited Inc | — | 33 | Avionics / Electronics | PMA |
| ASU-AS365FD-1 | Flight Director Filter | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-AS365FF-1 | Debit Flow Fuel Flow Meter Filter | Aviation Specialties Unlimited Inc | — | 33 | Avionics / Electronics | PMA |
| ASU-AS365MC-1 | Alert / Master Caution Filter | Aviation Specialties Unlimited Inc | — | 33 | Avionics / Electronics | PMA |
| ASU-ASPN-EHSI-1 | Aspen EHSI Filter | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-ATORT-1 | MD 500 Annunciator NVIS Filter | Aviation Specialties Unlimited Inc | — | 31 | Instruments | PMA |
| ASU-AUTOP-1 | Auto Pilot Filters | Aviation Specialties Unlimited Inc | | 33 | Electromechanical | PMA |
| ASU-AUTOP-1-1 | Filter | Aviation Specialties Unlimited Inc | — | 33 | Avionics / Electrical | PMA |
| ASU-AUTOP-2 | A109 Auto Pilot Filter | Aviation Specialties Unlimited Inc | | 22 | Avionics / Electronics | PMA |
| ASU-AUTOP-3 | Auto Pilot Filter | Aviation Specialties Unlimited Inc | | 33 | Avionics / Electrical | PMA |
| ASU-AUTOP-5 | Auto Pilot Select Panel NVIS Filter | Aviation Specialties Unlimited Inc | — | 25 | Interior / Furnishings | PMA |
| ASU-AVIDYNE-MHD-1 | MHD Filter | Aviation Specialties Unlimited Inc | | 33 | Avionics / Electronics | PMA |
| ASU-BAGFIRE-2 | Baggage Comp. Indicator NVIS Filter | Aviation Specialties Unlimited Inc | | 33 | Electromechanical | PMA |
| ASU-BB-1 | ASU Button Filter | Aviation Specialties Unlimited Inc | — | 33 | Avionics / Electrical | PMA |
| ASU-BFG-ADI-1 | ADI Filter | Aviation Specialties Unlimited Inc | | 33 | Avionics / Electrical | PMA |
| ASU-BFG-ADI-2 | ADI Filter | Aviation Specialties Unlimited Inc | | 33 | Avionics / Electrical | PMA |
| ASU-BFG-MED-1 | BF Goodrich Medical Display NVIS Filter | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-BFG109-1 | BF Goodrich Stormscope Filter | Aviation Specialties Unlimited Inc | | 33 | Avionics / Electrical | PMA |
| ASU-BHTUH1MC-1 | Annunciator Filter | Aviation Specialties Unlimited Inc | — | 31 | Instruments | PMA |
| ASU-BK-ED551A-1 | EFIS Flight Display Filter | Aviation Specialties Unlimited Inc | | 33 | Electromechanical | PMA |
| ASU-BK-KAP150-1 | Auto Pilot Head | Aviation Specialties Unlimited Inc | | 22 | Avionics / Electronics | PMA |
| ASU-BK-KI227-2 | Bendix King ADF Indicator | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-BK-KLN89B-1 | Bendix King KLN-89B Filter | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-BK-KLN94-1 | KLN 94 GPS Filter | Aviation Specialties Unlimited Inc | | 33 | Electromechanical | PMA |
| ASU-BK-KT70-2 | Bendix King KT70 NVIS Filter | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-BK-KY196A-2 | Bendix King KY 196A NVIS Filter | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-BK-KY96A-1 | Bendix King KY 96A Filter | Aviation Specialties Unlimited Inc | — | 33 | Electromechanical | PMA |
| ASU-BK-RDR2000-1 | Bendix King RDR2000 Filter | Aviation Specialties Unlimited Inc | | 33 | Electromechanical | PMA |
| ASU-BK-RDR2000-3 | Bendix King RDR 2000 NVIS Filter | Aviation Specialties Unlimited Inc | — | 33 | Avionics / Electronics | PMA |
| ASU-BK-RPLYLT-1 | Bendix King Transponder NVIS Filter | Aviation Specialties Unlimited Inc | — | 34 | Avionics / Electronics | PMA |
| ASU-BK117CW-3-01 | Caution/ Warning Panel Filter Set | Aviation Specialties Unlimited Inc | — | 25 | Interior / Furnishings | PMA |