# STC SE79NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airwork Corporation, United States
- Description: Conversion to an aircooled compressor turbine vane ring configuration.
- Status date: July 20, 1982
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E4EA](https://openairdocs.org/tcds/E4EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/64F27DE933536C0985256CCB0060198B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE79NE

## ADs that name it (0)

None.

## Approved models (2)

- Pratt & Whitney Canada Inc. PT6A-27 ([TCDS E4EA](https://openairdocs.org/tcds/E4EA))
- Pratt & Whitney Canada Inc. PT6A-28 ([TCDS E4EA](https://openairdocs.org/tcds/E4EA))

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