# STC SE241NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airwork Corporation, United States
- Description: Conversion of engine Models PT6A-27 and -28 to 01/157/3.
- Status date: February 8, 1985
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E4EA](https://openairdocs.org/tcds/E4EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/52FA22BD770208BC85256CCB00601970.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE241NE

## ADs that name it (0)

None.

## Approved models (3)

- 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))
- Pratt & Whitney Canada Inc. PT6A-34 ([TCDS E4EA](https://openairdocs.org/tcds/E4EA))

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