# STC SR01727SE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: BLR Aerospace LLC., United States - Description: Fabrication of Boundary Layer Research (BLR) Dual Tail Boom Strake System - Applied: August 14, 2006 - Status date: August 23, 2018 - Product: Aircraft, Rotorcraft - Certification basis: Part 21 - Data sheets: [TCDS R00006DE](https://openairdocs.org/tcds/R00006DE), [TCDS R00002LA](https://openairdocs.org/tcds/R00002LA), [TCDS H22NM](https://openairdocs.org/tcds/H22NM) - Certificate PDF: https://openairdocs.org/files/sha256/0e/85/0e852b9276dace88c465e86e430503b83617a55a26cb7ea4b9e60fd5f160d2fb - Approved model list and other attachments: [SR01727SEAML.pdf](https://openairdocs.org/files/sha256/12/49/1249efb98f1824a0e53d91b90f2ee6cfce5ccdc6cc69f721d7be0dbc185f4ea4) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6A26C8CC7125DBE8862582F700647980.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SR01727SE ## ADs that name it (0) None. ## Approved models (9) - Arrow Falcon Exporters Inc. OH-58A ([TCDS H22NM](https://openairdocs.org/tcds/H22NM)) - Arrow Falcon Exporters Inc. OH-58A+ ([TCDS H22NM](https://openairdocs.org/tcds/H22NM)) - Arrow Falcon Exporters Inc. OH-58C ([TCDS H22NM](https://openairdocs.org/tcds/H22NM)) - Garlick Helicopters Inc. OH-58A ([TCDS R00006DE](https://openairdocs.org/tcds/R00006DE)) - Garlick Helicopters Inc. OH-58A+ ([TCDS R00006DE](https://openairdocs.org/tcds/R00006DE)) - Garlick Helicopters Inc. OH-58C ([TCDS R00006DE](https://openairdocs.org/tcds/R00006DE)) - San Joaquin Helicopters OH-58A ([TCDS R00002LA](https://openairdocs.org/tcds/R00002LA)) - San Joaquin Helicopters OH-58A+ ([TCDS R00002LA](https://openairdocs.org/tcds/R00002LA)) - San Joaquin Helicopters OH-58C ([TCDS R00002LA](https://openairdocs.org/tcds/R00002LA)) ## 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 SR01727SE 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) SR01727SE for approved Model: rotorcraft models and applicable airworthiness regulations. Description of the Type Design Change: Fabrication of Dual Tail Boom Strake System in accordance with Manufacturing Drawing List Number BL206TBS040, Revision P, dated August 03, 2006, or later Federal Aviation Administration (FAA)-approved revision; and installation of the Dual Tail Boom Strake System in accordance with Installation and Continued Airworthiness Manual Document Number BH206TBS032, Revision A, March 17, 2006, or later FAA-approved revisions. Limitations and Conditions: Approval of this change in type design applies to the above model rotorcraft only. This approval should not be extended to other rotorcraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. Rotorcraft modified by this STC must be operated in accordance with a FAA-approved copy of one of the Rotorcraft Flight Manual Suppleme nts (RFMS) listed on the Approved Model List (AML) or later FAA-approved revisions, and maintained per Document Number BH206TBS032, Revision A, March 17, 2006, or later FAA-approved revisions. A copy of this Certificate, AML, Installation and Continued Airworthiness Manual, and FAA-approved RFMS must be maintained as part of the permanent records of the modified rotorcraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. Date of application: August 14, 2006 Date reissued: August 23, 2018 Date of issuance: December 18, 2006 Date amended November 23, 2009 FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES By direction of the Administrator (Signature) Manager, Seattle ACO Branch (Title) ### SR01727SEAML.pdf **FAA APPROVED MODEL LIST (AML) SR01727SE FOR** BOUNDARY LAYER RESEARCH (BLR) DUAL TAIL BOOM MOUNTED STRAKES SYSTEM ISSUE DATE: December 18, 2006 **FAA APPROVED** **ROTORCRAFT FLIGHT** **MANUAL SUPPLEMENT** **FAA APPROVED MASTER** **DRAWING LIST** **ITEM ROTORCRAFT MAKE** **ROTORCRAFT MODEL** **ORIGINAL TC NUMBER** **CERTIFICATION** **BASIS FOR** ALTERATION Number Revision* Drawing Revision* AML REV DATE 1 Garlick Helicopters, Inc. OH-58A OH-58A+ OH-58C R00006DE FAR 21(a)(2) effective 2/1/65 Including Amend 21-1 thru 21-87 dated 2/3/06 RFMS-BH206- 1a Rev. IR dated 12/7/06 BL206TBS040 Revision P, dated 8/3/06 2 San Joaquin Helicopters OH-58A OH-58A+ OH-58C R00002LA FAR 21(a)(2) effective 2/1/65 Including Amend 21-1 thru 21-87 dated 2/3/06 RFMS-BH206- 1a Rev. IR dated 12/7/06 BL206TBS040 Revision P, dated 8/3/06 3 Arrow Falcon Exporters Inc. OH-58A OH-58A+ OH-58C H22NM FAR 21(a)(2) effective 2/1/65 Including Amend 21-1 thru 21-87 dated 2/3/06 RFMS-BH206- 1a Rev. IR dated 12/7/06 BL206TBS040 Revision P, dated 8/3/06 Approved:____Original signed by Mike Pasion A c t i n g M a n a g e r , S e a t t l e Aircraft Certification Office ## Every issue (3) - August 23, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0e/85/0e852b9276dace88c465e86e430503b83617a55a26cb7ea4b9e60fd5f160d2fb), [SR01727SEAML.pdf](https://openairdocs.org/files/sha256/12/49/1249efb98f1824a0e53d91b90f2ee6cfce5ccdc6cc69f721d7be0dbc185f4ea4) - November 23, 2009: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/f1/8f/f18f68caf85f26101333bb5768f22326cbe3bf284a45e39562641fce9a7ad89a), [SR01727SEAML.pdf](https://openairdocs.org/files/sha256/12/49/1249efb98f1824a0e53d91b90f2ee6cfce5ccdc6cc69f721d7be0dbc185f4ea4) - December 18, 2006: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/31/52/3152dff8c9de9f3858641e6d50e745a711f1dba6d9fae36d78d5d86e0c266189), [SR01727SEAML.pdf](https://openairdocs.org/files/sha256/12/49/1249efb98f1824a0e53d91b90f2ee6cfce5ccdc6cc69f721d7be0dbc185f4ea4) --- 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.