# STC SE383CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: National Flight Services, Inc, United States
- Description: Modification of engines.
- Status date: July 14, 1995
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E3WE](https://openairdocs.org/tcds/E3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/686BBFD54C0AB19E85256CC2005A7549.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE383CH

## ADs that name it (2)

- [AD 2018-17-15](https://openairdocs.org/ad/2018-17-15): Turbine Engine Combustion Section · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 39 more. Effective Oct 22, 2018. Cited in the text
- [AD 2018-02-14](https://openairdocs.org/ad/2018-02-14) (historical): Turbine Engine Combustion Section · Honeywell International TPE331-1, TPE331-10, TPE331-10AV and 38 more. Effective Feb 28, 2018. Cited in the text

## Approved models (2)

- AlliedSignal Inc. TPE331-1 ([TCDS E3WE](https://openairdocs.org/tcds/E3WE))
- AlliedSignal Inc. TPE331-2 ([TCDS E3WE](https://openairdocs.org/tcds/E3WE))

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