# STC SA3171WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Kellstrom Defense Aerospace Inc., United States
- Description: The auxiliary power unit Model GTC 85-71 located in the forward end of the left hand main landing gear wheel well fairing has been replaced by an AiResearch Gas turbine compressor Model GTCP85-98CK(A).
- Applied: November 3, 1975
- Status date: June 5, 2003
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1SO](https://openairdocs.org/tcds/A1SO)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/88C15D8C752CD17486256D8A006E6CE9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3171WE

## ADs that name it (0)

None.

## Approved models (3)

- Lockheed Aircraft Corporation 382E ([TCDS A1SO](https://openairdocs.org/tcds/A1SO))
- Lockheed Aircraft Corporation 382F ([TCDS A1SO](https://openairdocs.org/tcds/A1SO))
- Lockheed Aircraft Corporation 382G ([TCDS A1SO](https://openairdocs.org/tcds/A1SO))

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