# STC SE00229AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: National Flight Services, Inc, United States
- Description: Installation of Garrett TPE331-10 Combustor and Turbine in TPE331-6 engine.
- Status date: October 20, 1999
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E4WE](https://openairdocs.org/tcds/E4WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/97E6DB9E401226E585256CC2005A73A9.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE00229AT

## ADs that name it (0)

None.

## Approved models (1)

- AlliedSignal Inc. TPE331-6 ([TCDS E4WE](https://openairdocs.org/tcds/E4WE))

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