# STC SR01039SE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: BLR Aerospace LLC., United States
- Description: Fabrication of tail boom mounted strakes in accordance with Master Drawing List Number BL-UH1H-01, Revision D, dated September 10, 2001, or later Federal Aviation Administration (FAA)-approved revision; and installation of this strake system
- Applied: January 14, 2002
- Status date: August 23, 2018
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H12NM](https://openairdocs.org/tcds/H12NM), [TCDS H13WE](https://openairdocs.org/tcds/H13WE), [TCDS H7NE](https://openairdocs.org/tcds/H7NE), [TCDS H15NM](https://openairdocs.org/tcds/H15NM), [TCDS H7SO](https://openairdocs.org/tcds/H7SO), [TCDS H1RM](https://openairdocs.org/tcds/H1RM), [TCDS H3SO](https://openairdocs.org/tcds/H3SO), [TCDS R00005SE](https://openairdocs.org/tcds/R00005SE)
- Certificate PDF: https://openairdocs.org/files/sha256/93/36/93361ac49f2fe72fb064e8ed04d85c2aadfa0577632ea4d48215723eec5f6705
- Approved model list and other attachments: [SR01039SEAML .pdf](https://openairdocs.org/files/sha256/e8/de/e8de27b3863056739602203454e3077bbbeb8ffc1b4314cfd9c3b29304cde02d)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0C89EF86AEAE5035862582F70064242B.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR01039SE

## ADs that name it (0)

None.

## Approved models (12)

- Garlick Helicopters Inc. TH-1F ([TCDS H12NM](https://openairdocs.org/tcds/H12NM))
- Garlick Helicopters Inc. UH-1B ([TCDS H13WE](https://openairdocs.org/tcds/H13WE))
- Garlick Helicopters Inc. UH-1F ([TCDS H12NM](https://openairdocs.org/tcds/H12NM))
- Garlick Helicopters Inc. UH-1H ([TCDS H13WE](https://openairdocs.org/tcds/H13WE))
- Garlick Helicopters Inc. UH-1P ([TCDS H12NM](https://openairdocs.org/tcds/H12NM))
- Hawkins & Powers Aviation Inc. UH-1B ([TCDS H1RM](https://openairdocs.org/tcds/H1RM))
- Precision Helicopters LLC UH-1H ([TCDS R00005SE](https://openairdocs.org/tcds/R00005SE))
- Tamarack Helicopters Inc. UH-1F ([TCDS H7NE](https://openairdocs.org/tcds/H7NE))
- US Helicopter Inc. UH-1B ([TCDS H3SO](https://openairdocs.org/tcds/H3SO))
- US Helicopter Inc. UH-1H ([TCDS H3SO](https://openairdocs.org/tcds/H3SO))
- Western International Aviation Inc. UH-1H ([TCDS H15NM](https://openairdocs.org/tcds/H15NM))
- Williams Helicopter Corporation UH-1H ([TCDS H7SO](https://openairdocs.org/tcds/H7SO))

## 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.

Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate

Number SR01039SE This certificate, issued to BLR Aerospace, LLC 11002 29th Ave. West Everett, WA 98204

Part * of the * Regulations.

Original ProductType Certificate Number: * See attached Federal Aviation Administration (FAA) Make: Approved Model List (AML) SR01039SE for approved Model: rotorcraft models and applicable airworthiness regulations.

Description of the Type Design Change: Fabrication of tail boom mounted strakes in accordance with Master Drawing List Number BL-UH1H-01, Revision D, dated September 10, 2001, or later Federal Aviation Administration (FAA)-approved revision; and installation of this strake system in accordance with Installation Drawing List Number BL-UH1H-02, Revision D, dated September 10, 2001, (upper strake installation only) or later FAA-approved revision, and Installation Manual Number STBS UH-1, dated January 14, 2002.

Limitations and Conditions: Approval of this change in type design applies to the rotorcraft models specified on Approved Model List (AML) Number SR01039SE only, that are equipped with standard tail booms and empennages fabricated with aluminum skins, only. This approval should not be extended to other rotor craft of these models on which other previously approved modifications are incorporated unless it is determined by the installer, that the relationship between this change and any other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that rotorcraft. Rotorcraft modified by this STC must be operated in accordance with an FAA-approved copy of Rotorcraft Flight Manual Supplement (RFMS) RFMS-UH1, dated January 17, 2002, or later FAA-approved revision. A copy of this Certificate, AML, and FAA-approved RFMS must be maintained as part of the permanent records of the modified rotorcraft.

This modification has been approved as a structural no-hazard installation. No changes in performance, handling qualities, gross weight limits, or fatigue life, were applied for, or demonstrated to, the FAA during the approval of this modification.

If the holder agrees to permit another person to use this certificate to alter the product, the holde r shall give the other person written evidence of that permission.

Date of application: January 14, 2002 Date reissued: November 23, 2009; August 23, 2018 Date of issuance: January 17, 2007 Date amended

FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES By direction of the Administrator

(Signature)

Manager, Seattle ACO Branch (Title)

### SR01039SEAML .pdf

**FAA APPROVED MODEL LIST (AML) SR01039SE FOR**

BOUNDARY LAYER RESEARCH (BLR) TAIL BOOM MOUNTED STRAKES ISSUE DATE: January 17, 2002

Page 1 of 2

**ITEM ROTORCRAFT MAKE**

**ROTORCRAFT MODEL TYPE**

**CERTIFICATE NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION MASTER**

**DRAWING LIST NO.**

**INSTALLATION**

**INSTRUCTIONS REPORT NO.**

**INSTRUCTIONS**

**FOR CONTINUED**

**AIRWORTHINESS REPORT NO.**

AML

**AMENDED DATE**

1 Garlick Helicopters, Inc.

UH-1H Only those equipped with a standard tailboom and vertical tail system H13WE FAR 21.25 DM9916-3 11/16/99 HCI-991206 12/6/99 HCI-991129 11/29/99 O/R 2 Tamarack Helicopters, Inc.

UH-1F H7NE FAR 21.25(a)(2) effective 2/1/65 DM0003-3 Rev. A 4/10/00 HCI-000403 4/3/2000 HCI-000404 4/4/2000 O/R 3 Firefly Aviation Helicopter Services UH-1F H11SW FAR 21.25(a)(2) effective 2/1/65 DM0003-3 Rev. A 4/10/00 HCI-000403 4/3/2000 HCI-000404 4/4/2000 O/R 4 Garlick Helicopters, Inc.

UH-1F UH-1P TH-1F Only those serial numbered rotorcraft added to TCDS before 1/8/96 H12NM FAR 21.25(a)(2) effective 2/1/65 DM0003-3 Rev. A 4/10/00 HCI-000403 4/3/2000 HCI-000404 4/4/2000 O/R 5 Garlick Helicopters, Inc.

UH-1H Only those equipped with a standard tailboom and vertical tail system H13WE FAR 21.25(a)(2) Effective 2/1/65 DM0011-3 Rev. A 5/24/00 HCI-000409 Rev. 1 5/23/00 HCI-000410 4/10/00 June 21, 2000 6 Western International Aviation UH-1H H15NW FAR 21.25(a)(2) Effective 2/1/65 Including Amend. 21-1 thru 21-42 dated 1/6/75 DM0011-3 Rev. A 5/24/00 HCI-000409 Rev. 1 5/23/00 HCI-000410 4/10/00 June 21, 2000

**FAA APPROVED MODEL LIST (AML) SR01039SE FOR**

BOUNDARY LAYER RESEARCH (BLR) TAIL BOOM MOUNTED STRAKES ISSUE DATE: January 17, 2002

Page 2 of 2 7 Williams Helicopter Corporation UH-1H H7SO FAR 21.25(a)(2) Effective 2/8/82 Including Amend. 21-1 thru 21-56 DM0011-3 Rev. A 5/24/00 HCI-000409 Rev. 1 5/23/00 HCI-000410 4/10/00 June 21, 2000 8 US Helicopters, Inc.

UH-1H H3SO FAR 21.25(a)(2) Effective 2/1/65 DM0011-3 Rev. A 5/24/00 HCI-000409 Rev. 1 5/23/00 HCI-000410 4/10/00 June 21, 2000 9 Hawkins and Powers Aviation, Inc.

UH-1B With standard tailfin H1RM FAR 21.25(a)(2) effective 2/1/65 DM0014-3 Rev. A 10/2/00 HCI-000807 8/7/00 HCI-000808 8/8/00 October 19, 2000 10 Hawkins and Powers Aviation UH-1B With honeycomb tailfin H1RM FAR 21.25(a)(2) effective 2/1/65 DM0033-3 Rev. B 1/26/01 HCI-001220 12/20/00 HCI-001219 12/21/00 March 7, 2001 11 U. S. Helicopters, Inc.

UH-1B With standard tailfin H3SO FAR 21.25(a)(2) effective 2/1/65 DM0014-3 Rev. A 10/2/00 HCI-000807 8/7/00 HCI-000808 8/8/00 March 27, 2001 12 U. S. Helicopters, Inc.

UH-1B With honeycomb tailfin H3SO FAR 21.25(a)(2) effective 2/1/65 DM0033-3 Rev. B 1/26/01 HCI-001220 12/20/00 HCI-001219 12/21/00 March 27, 2001 13 Garlick Helicopters, Inc.

UH-1B With standard tailfin H13WE FAR 21.25(a)(2) effective 2/1/65 DM0014-3 Rev. A 10/2/00 HCI-000807 8/7/00 HCI-000808 8/8/00 April 13, 2001

14 Garlick Helicopters, Inc.

UH-1B With honeycomb tailfin H13WE FAR 21.25(a)(2) effective 2/1/65 DM0033-3 Rev. B 1/26/01 HCI-D01220 12/20/00 HCI-001219 12/21/00 March 7, 2001 15 Precision Helicopters, LLC UH-1H R00005SE FAR 21.25(a)(2) Effective 2/1/65 DM0011-3 Rev. A 5/24/00 HCI-000409 Rev. 1 5/23/00 HCI-000410 4/10/00 June 10, 2004

FAA Approved:______________________________ Acting Manager, Seattle Aircraft Certification Office

Revision Date: 06/21/00; 10/19/00; 03/07/01;

03/27/01; 04/13/01; 6/10/04

## Every issue (2)

- August 23, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/93/36/93361ac49f2fe72fb064e8ed04d85c2aadfa0577632ea4d48215723eec5f6705), [SR01039SEAML .pdf](https://openairdocs.org/files/sha256/e8/de/e8de27b3863056739602203454e3077bbbeb8ffc1b4314cfd9c3b29304cde02d)
- November 23, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/58/38/58389e162306baf193c74d7647a60d085e629c236e3771a2e90df4faaae66811), [SR01039SEAML .pdf](https://openairdocs.org/files/sha256/e8/de/e8de27b3863056739602203454e3077bbbeb8ffc1b4314cfd9c3b29304cde02d)

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