STC SR00929SE

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

Number SR00929SE

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) SR00929SE 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, or later FAA-approved revision, and Installation Manual Number BH200INS, Revision D, dated September 10, 2001, or later FAA-approved revision.

Limitations and Conditions: Approval of this change in type design applies to the rotorcraft models specified on AML Number SR00929SE only, that are equipped with standard tail booms and empennages fabricated with aluminum skins, only. This approval should not be extended to other rotorcraft 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 a FAA-approved copy of one of the following BLR Operator’s Manual Supplements (OMS) listed below, or later FAA-approved revision.

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.

(See Continuation Sheet on Page 3)

Date of application: February 9, 1999 Date reissued: November 23, 2009; August 23, 2018 Date of issuance: June 11, 2001 Date amended: November 7, 2001; June 17, 2003;

July 14, 2003; September 24, 2003;

May 16, 2007

FAA FORM 8110-2 (5/14) PAGE 1 OF 3 PAGES By direction of the Administrator

(Signature)

Manager, Seattle ACO Branch (Title)

Un ited S tates of Am erica Department of Transportation_Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet)

Number SR00929SE

BLR Aerospace, LLC Issued: June 11, 2001 Reissued: November 23, 2009; August 23, 2018 Amended: November 7, 2001; June 17, 2003; July 14, 2003; September 24, 2003; May 16, 2007

Rotorcraft modified by this STC must be operated in accordance with an FAA-approved copy of either one or the other of the four Operator’s Manual Supplements (OMS) listed below, or later FAA-approved revision.

a. BLR OMS No. RFMS-BH205-1, Revision C, dated June 25, 2003, covering the basic BLR strake installation on all of the helicopter models listed in the Approved Model List (AML).

b. BLR OMS No. RFMS-BH205-2, Revision IR, dated June 25, 2003, covering the basic BLR strake installation plus a performance improvement for those Model UH-1H helicopters equipped with a Lycoming T53-L-13B engine and metal rotor blades.

c. BLR OMS No. RFMS-BH205-3, Revision IR, dated September 24, 2003, covering the basic BLR strake installation plus a performance improvement for those Model UH-1H helicopters equipped with a Lycoming T53-L-13B engine and composite rotor blades.

d. BLR OMS No. RFMS-BH205-4, Revision IR, dated September 24, 2003, covering the basic BLR strake installation plus a performance improvement for those Model UH-1H helicopters equipped with a Lycoming T53-L-703 engine in accordance with STC SR01196LA.

e. BLR OMS no. RFMS-BH205-10, Revision IR, dated May 08, 2007, covering the basic BLR strake installation plus a performance improvement for those Model UH-1F, UH-1P or TH-1F helicopters equipped with a Lycoming T53-L-13B engine in accordance with STC SR01349LA.

A copy of this Certificate, AML, and FAA-approved OMS must be maintained as part of the permanent records of this 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, except for the UH -1H performance improvements presented in BLR OMS options b., c., d., or e. above.

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FAA FORM 8110-2 (5/14) PAGE 3 OF 3 PAGES