# STC SA852WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: GE Engine Services-Corporate Aviation Inc.
DBA Garrett Aviation Services, United States
- Description: Turbosupercharged Lycoming O-540-A1B5, -A1D5, or -A3D5 engines (S/N's 27-1 thru 27-2504).
- Applied: November 22, 1963
- Status date: April 9, 2003
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A10](https://openairdocs.org/tcds/1A10)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/998A0C8EB9BE554386256D8A006C297E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA852WE

## ADs that name it (2)

- [AD 2005-01-10](https://openairdocs.org/ad/2005-01-10): Turbocharger Oil Reservoir · Piper PA-23-235, PA-23-250, PA-23-250 (Navy UO-1) and 1 more. Effective Feb 22, 2005. Cited in the text
- [AD 74-06-01](https://openairdocs.org/ad/74-06-01) (historical): AiResearch Turbochargers · PA-23-235, PA-23-250 (Navy UO-1) and PA-E23-250 with STC SA852WE or 2 others. Effective Oct 2, 1974. Named in the applicability

## Approved models (2)

- The New Piper Aircraft Inc. PA-23-235 ([TCDS 1A10](https://openairdocs.org/tcds/1A10))
- The New Piper Aircraft Inc. PA-23-250 (Navy UO-1) ([TCDS 1A10](https://openairdocs.org/tcds/1A10))

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