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Other aircraft modifications

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.

FAA-listed holder
GE Engine Services-Corporate Aviation Inc. DBA Garrett Aviation Services
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Turbosupercharger 406610-3.

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.

Textron Lycoming AVCO IO-540-C1B51E4Textron Lycoming AVCO IO-540-C1C51E4Textron Lycoming AVCO IO-540-C4B51E4

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Lycoming AVCO IO-540-C1B5 and Textron Lycoming AVCO IO-540-C1C5, and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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