# STC SE00585AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Bell Helicopter Textron Inc., United States
- Description: Installation of Aeronautical Accessories, Inc. PC Safety Valve Kit.
- Applied: July 29, 1994
- Status date: May 29, 2013
- Product: Engine
- Certification basis: Part 13, Part 21
- Data sheets: [TCDS E17EA](https://openairdocs.org/tcds/E17EA)
- Certificate PDF: https://openairdocs.org/files/sha256/5e/23/5e232adcb267b6f2d56191822f8d204cd1d9b7c0bbd2f355ab511754f8f257c3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E3480BDA0A03CF8986257C130058C910.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SE00585AT

## ADs that name it (0)

None.

## Approved models (3)

- Honeywell International Inc. T5313B ([TCDS E17EA](https://openairdocs.org/tcds/E17EA))
- Honeywell International Inc. T5317A ([TCDS E17EA](https://openairdocs.org/tcds/E17EA))
- Honeywell International Inc. T5317A-1 ([TCDS E17EA](https://openairdocs.org/tcds/E17EA))

## 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 SE00585AT This certificate issued to

Part 13 of the Civil Air R egulations .

Original Product -- Type Certificate N umber :

Installation of Aeronautical Accessories, Inc. Pc Safety Valve Kit in accordance with “Installation/Operation/Maintenance Instructions for Pc Safety Valve Kit for Lycoming T5313B, T5317A and T5317A-1 Engines”, Report AA-93091, Rev. F, dated 2/20/96 or later FAA approved revision.

1) This STC is applicable to Lycoming T53-L-13B engines used on UH-1H model helicopters certified under restricted category type certificate H3SO.

2) 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 E17EA M ake : Honeywell International Inc.

M odel : T5313B, T5317A, T5317A-1 Date of application : July 29, 1994

Date of issuance : October 17, 1994

Date reissued : May 29, 2013

Date amended : April 2, 1996;

July 23, 1999

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/sha256/5e/23/5e232adcb267b6f2d56191822f8d204cd1d9b7c0bbd2f355ab511754f8f257c3)

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