# STC SA01673NY

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Rocky Mountain Aircraft, Canada
- Description: Installation of Pratt & Whitney PT6A-34 engines with either Hartzell HC-B3TN-3D(Y)/T10282N(B) propellers or McCauley 4HFR34C764/94LMB-0 propellers.
- Applied: February 26, 2003
- Status date: June 13, 2003
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A9EA](https://openairdocs.org/tcds/A9EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7C2CC8B93CEC2FBD86256D7300606079.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01673NY

## ADs that name it (0)

None.

## Approved models (2)

- Bombardier Inc. DHC-6-100 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))
- Bombardier Inc. DHC-6-200 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))

---
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.
