# STC SE02273NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Atlantic Turbines International Inc., Canada
- Description: Conversion of a Pratt & Whitney Canada PT6A-27 or PT6A-28 engine to operate as a PT6A-34 engine.
- Applied: May 3, 2006
- Status date: July 5, 2006
- Product: Engine
- Certification basis: Part 21, Part 33
- Data sheets: [TCDS E2NE](https://openairdocs.org/tcds/E2NE)
- Certificate PDF: https://openairdocs.org/files/sha256/3a/30/3a30531e9720759df206c030a1f6e10ef062581ab20b2274c6037e576a2908bc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/87B10FB443D5EADD862571CC006B655C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE02273NY

## ADs that name it (0)

None.

## Approved models (2)

- Pratt & Whitney Division PT6A-27 ([TCDS E2NE](https://openairdocs.org/tcds/E2NE))
- Pratt & Whitney Division PT6A-28 ([TCDS E2NE](https://openairdocs.org/tcds/E2NE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Number SE02273NY This certificate issued to Atlantic Turbines International Inc.

800, Aerospace Boulevard (hangar 8) Slemon Park, Summerside, Prince Edward Island Canada C1N 4B0

Part 33 of the Federal Aviation Regulations.

Original Product -- Type Certificate Number : E2NE Make : Pratt & Whitney Canada Model : PT6A-27, -28

The conversion of a Pratt & Whitney Canada PT6A-27 or PT6A-28 engine to operate as a PT6A-34 engine, to be done in accordance with Atlantic Turbines Technical Instruction TI 2006-002, Rev. 0, Transport Canada approved dated March 1, 2006, or later Transport Canada approved revision.

1. Overhaul Manual Supplement for PT6A-34 models. Atlantic Turbines Overhaul Manual Supplement OMS-2006-001, Rev. 1 dated March 16, 2006 or later applicable revision.

2. Compatibility of this design change with previously approved modifications must be determined by the installer.

3. If the holder agrees to permit another person to use the certificate to alter the product, the holder shall give the other pers on written evidence of that permission.

Date of application : May 3, 2006

Date of issuance : July 5, 2006 Date reissued :

( Signature) Anthony Socias Manager New York Aircraft Certification Office

(Title)

## Every issue (1)

- July 5, 2006: Issued, Current. [certificate](https://openairdocs.org/files/sha256/3a/30/3a30531e9720759df206c030a1f6e10ef062581ab20b2274c6037e576a2908bc)

---
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.