STC SE02837NY

Supplemental type certificate · Rocky Mountain Aircraft

Holder
Rocky Mountain Aircraft · Canada
Status
Current · Issued
Status date
August 27, 2010
Applied
August 27, 2010
Product
Engine
Certification basis
Part 21
Data sheet
TCDSE4EA

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

The conversion of the Pratt & Whitney Canada PT6A-21 engine to operate as a PT6A-28 engine to be done.

What the certificate saysOCR

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Project #FST6713NY-E Department of Transportation Federal Aviation Administration Supplemental Type Certificate IMPORT Number: SE02837NY This certificate issued to: Rocky Mountain Aircraft 129 MacLaurin Drive Springbank Airport Calgary, Alberta Canada T3Z3S4 Purt 33 of the Federal Aviation Regulations.

Original Product Type Certificute Number: EAEA Abuke: Pratt & Whitney Canada Model: PT6A-21 Description of Type Design Change: The conversion of the Pratt & Whitney Canada PT6A-21 engine to operate as a PT6A-28 engine to be done in accordance with Rocky Mountain Aircraft Technical Instruction RMA-1347-01, Rev 0, dated November 29, 2009, or later Transport Canada approved revision.

1. The existing Pratt & Whitney Canada Instructions for Continued Airworthiness for the PT6A-28 models remain applicable to the converted engines.

2. Maintain as Model PT6A-28 in accordance with Pratt & Whitney Maintenance Manual P/N 3013242 and Overhaul Manual P/N 3013243.

3. The installer must determine whether this design change is compatible with previously approved modifications.

4. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of Application: May 31,2010 Date Reissued:

Date of Issuance: August 27, 2010 Date Amended:

FEDERAL AVIATION By Direction of the Administrator 2 Ra TOMINISTRATO Anthony Socias Manager (Signature) New York Aircraft Certification Office (Title) 47

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
Pratt & Whitney Canada Corp.PT6A-21E4EA