STC SE4493NM
FAA DRS lists SE4493NM as Current · Reissued, held by Airwolf Filter Corporation, for Textron Lycoming AVCO GO-435-C2, Textron Lycoming AVCO GO-435-C2B, and Textron Lycoming AVCO GO-435-C2B1, and 4 more aircraft configurations. Recorded change: Installation of oil filter adapter and oil filter. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SE4493NM identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Textron Lycoming AVCO GO-435-C2, Textron Lycoming AVCO GO-435-C2B, and Textron Lycoming AVCO GO-435-C2B1, and 4 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of Cam Air Shroud Airflow Heater System.
FAA holder: Dart Aerospace Limited
Installation of basic research equipment.
FAA holder: National Science Foundation
Installation of Hartzell Model PHC-C3YD-2UF/FC9587DB-7 or Model PHC-C3YD-2UF/FC9587D-7 propellers.
FAA holder: RAM Aircraft Limited Partnership
Replace the current PT6A-21 engines with PT6A-35 engines.
FAA holder: King Air 90 HP LLC
FAA record reference
- STC number
- SE4493NM
- Product
- Engine
- Country
- United States
- Application date
- May 16, 1988
- Revision date
- December 20, 2017
- CFR references
- Part 21