# STC SE355NE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Van Dusen Turbine Products, United States
- Description: Conversion of engine model PT6A-27 to model PT6A-34.
- Status date: June 6, 1985
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E4EA](https://openairdocs.org/tcds/E4EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4CC6CBA0A47C05A585256CCB00601975.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SE355NE

## ADs that name it (0)

None.

## Approved models (1)

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

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.