STC SE21WE
FAA DRS lists SE21WE as Current · Reissued, held by GE Engine Services-Corporate Aviation Inc. DBA Garrett Aviation Services, for Textron Lycoming AVCO IO-540-C1B5, Textron Lycoming AVCO IO-540-C1C5, and Textron Lycoming AVCO IO-540-C4B5. Recorded change: Installation of Turbosupercharger 406610-3. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SE21WE 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 IO-540-C1B5, Textron Lycoming AVCO IO-540-C1C5, and Textron Lycoming AVCO IO-540-C4B5. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of air conditioning system.
FAA holder: Air Comm Corporation
Installation of air conditioning system.
FAA holder: Air Comm Corporation
Installation of electrically-driven Freon air-conditioning system.
FAA holder: Air Comm Corporation
Installation of air conditioning system.
FAA holder: Air Comm Corporation
FAA record reference
- STC number
- SE21WE
- Product
- Engine
- Country
- United States
- Application date
- February 24, 1965
- Revision date
- April 9, 2003
- CFR references
- Part 21