# STC SE02170AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Bell Helicopter Textron Inc., United States
- Description: Installation of Pc Safety Valve Kit
- Applied: January 6, 1998
- Status date: May 29, 2013
- Product: Engine
- Certification basis: Part 21, Part 33
- Data sheets: [TCDS E4EA](https://openairdocs.org/tcds/E4EA)
- Certificate PDF: https://openairdocs.org/files/sha256/e5/85/e585a16047cddba4eb5bc2a7c1aec24d8294257543b1e5543810c1872f6fc14b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/13674241317C99E086257C1300590BA5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE02170AT

## ADs that name it (0)

None.

## Approved models (4)

- Pratt & Whitney Canada Corp. PT6A-27 ([TCDS E4EA](https://openairdocs.org/tcds/E4EA))
- Pratt & Whitney Canada Corp. PT6A-28 ([TCDS E4EA](https://openairdocs.org/tcds/E4EA))
- Pratt & Whitney Canada Corp. PT6A-34 ([TCDS E4EA](https://openairdocs.org/tcds/E4EA))
- Pratt & Whitney Canada Corp. PT6A-34B ([TCDS E4EA](https://openairdocs.org/tcds/E4EA))

## 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.

N umber SE02170AT This certificate issued to

Part 33 of the Federal Aviation R egulations .

Original Product -- Type Certificate N umber :

Installation of Pc Safety Valve Kit, part number 610-850-001/-002, in accordance with Report No. AA-99088, Installation Instructions, Pc Safety Valve Kit of Pratt and Whitney PT6A-27/28/34 series engines, Rev “A”, dated May 19, 2000, or later FAA approved revisions.

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

Bell Helicopter Textron, Inc.

441 Industrial Park Road Piney Flats, TN 37686 E4EA M ake : Pratt & Whitney Canada Corp.

M odel : PT6A-27, -28, -34, -34B Date of application : January 06, 1998

Date of issuance : August 02, 2000

Date reissued : May 29, 2013

B y direction of the A dministrator

(Signature) Scott A. Horn, Acting Manager, Rotorcraft Certification Office, Southwest Region

(Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- May 29, 2013: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e5/85/e585a16047cddba4eb5bc2a7c1aec24d8294257543b1e5543810c1872f6fc14b)

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