# STC SE01638NY

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Atlantic Turbines International Inc., Canada
- Description: Installation of HP Turbine vanes with improved cooling.
- Applied: March 4, 2003
- Status date: August 13, 2003
- Product: Engine
- Certification basis: Part 21
- Data sheets: [TCDS E20NE](https://openairdocs.org/tcds/E20NE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/121C0EC6F8EDF8FE86256DB7006D1065.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE01638NY

## ADs that name it (0)

None.

## Approved models (5)

- Pratt & Whitney Canada Inc. PW118 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW120 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW120A ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW121 ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))
- Pratt & Whitney Canada Inc. PW121A ([TCDS E20NE](https://openairdocs.org/tcds/E20NE))

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