# STC SA858WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: GE Engine Services-Corporate Aviation Inc.
DBA Garrett Aviation Services, United States
- Description: Environmental control system.
- Status date: November 2, 1999
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4D04C6B4048D337685256CC20058E847.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA858WE

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company 125 Series ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

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