# STC SR02964CH - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Airwolf Filter Corporation, United States - Description: Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-206-011-154-105/-107 - Applied: April 8, 2011 - Status date: April 27, 2015 - Product: Aircraft, Rotorcraft - Certification basis: Part 1, Part 21 - Data sheets: [TCDS H22NM](https://openairdocs.org/tcds/H22NM), [TCDS H2SW](https://openairdocs.org/tcds/H2SW), [TCDS R00006DE](https://openairdocs.org/tcds/R00006DE), [TCDS R00002LA](https://openairdocs.org/tcds/R00002LA) - Certificate PDF: https://openairdocs.org/files/sha256/3e/52/3e52ac1f56bb22fd0764512051bda85d4e470d7e63284d120cbdcd88fdbb3018 - Approved model list and other attachments: [SR02964CH_AML.pdf](https://openairdocs.org/files/sha256/08/44/084433dcdf3688259670ff62699217c01e66f96173cb6b1545763a8fd8a69e46) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/56BA8C323820F37486257E5A004CBDEC.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR02964CH ## ADs that name it (0) None. ## Approved models (17) - 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)) - Bell Helicopter Textron Canada Limited 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206A-1 (OH-58A) ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206B-1 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L-1 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L-3 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L-4 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Rotorcraft Development Corporation OH-58A ([TCDS R00006DE](https://openairdocs.org/tcds/R00006DE)) - Rotorcraft Development Corporation OH-58A+ ([TCDS R00006DE](https://openairdocs.org/tcds/R00006DE)) - Rotorcraft Development Corporation 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. Part * of the * Regulations. Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-206-011-154-105, on Bell Helicopter Textron Models 206A, 206A-1(OH-58A), 206B, 206B-1, Arrow Falcon Exporters Models OH-58A, OH-58A+, OH-58C, San Joaquin Helicopters Models OH-58A, OH-58A+, OH-58C, and Rotorcraft Dev. Corp. Models OH-58A, OH-58A+, OH-58C, in accordance with Bell Helicopter Textron Manual BHT-206A/B-M&O-1, Rev. 33, dated March 31, 1983, Section II, Part 1, Para. 2-35, Page 2-51; install P/N AA-206-011-154-107, on Bell Helicopter Textron Models 206A, 206A-1(OH-58A), 206B, 206B-1, Arrow Falcon Exporters Models OH-58A, OH-58A+, OH-58C, San Joaquin Helicopters Models OH-58A, OH-58A+, OH-58C, and Rotorcraft Dev. Corp. Models OH-58A, OH-58A+, OH-58C, in accordance with Bell Helicopter Textron Manual BHT-206A/B-M&O-1, Rev. 33, dated March 31, 1983, Section II, Part 2, Para. 2-44c, Pg. 2-81; and install P/N AA-206-011-154-107 on Bell Helicopter Textron Models 206L, 206L-1, 206L-3, and 206L-4 in accordance with Bell Helicopter Textron Manual BHT-206L-CR&O-3, Rev. 3, dated January 10, 2011, Chapter 62, Section 62-00-00, Pg. 101, Para 5a through 5c. 1. The installer must determine whethe r this design change is compatible with previously approved modifications. 2. A copy of this Certificate and FAA Approved Model Li st (AML) No. SR02964CH, amended June 28, 2012, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft. Airwolf Aerospace, LLC 15369 Madison Road Middlefield, OH 44062 * * See attached FAA approved Model List (AML) * No. SR02964CH for list of approved rotorcraft models * and applicable airworthiness regulations. Date of application: April 8, 2011 Date of issuance: May 12, 2011 Date amended: June 28, 2012 Original Signed By: Karol Mordasiewicz ( Signature) Karol Mordasiewicz Manager, Airframe and Administrative Branch Chicago Aircraft Certification Office ( Title) FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES Number SR02964CH Date of issuance: May 12, 2011 Limitations and Conditions : (Continued from Sheet 1 of 3) 3. The Supplemental Instructions for Continued Airworthiness, Airwolf Aerospace, LLC Report .AA-206-ICA, Revision D, dated June 19, 2012, or a later FAA accepted revision, must be incorporated into operator’s maintenance program. 4. 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. …END… ### SR02964CH_AML.pdf **FAA APPROVED MODEL LIST (AML) SR02964CH** **AIRWOLF AEROSPACE LLC** **FOR INSTALLING** TENSION TORSION STRAP ASSEMBLY Issue Date: May.12, 2011 Page 1 of 2 **AIRCRAFT MAKE** **AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **INSTALLATION** **INSTRUCTIONS AML** **AMENDMENT DATE ITEM NUMBER REVISION NO. AND DATE** 1 Bell Helicopter Textron 206A, 206A-1, 206B, 206B-1 H2SW CAR 6,dtd.12/20/1956, FAR 21.29 and Amendment listed in TCDS H2SW Bell Helicopter Manual BHT 206A/B-M&O-1, Section II, part1, para.2-35, [2} & [3], Pg.2-51 Rev 33, 03/31/1983* N/A 2 Bell Helicopter Textron 206A, 206A-1, 206B, 206B-1 H2SW CAR 6,dtd.12/20/1956, FAR 21.29 and Amendment listed in TCDS H2SW Bell Helicopter Manual BHT 206A/B-M&O-1, Section II, part 2, Para.2-44c, Pg.2-81 Rev 33, 03/31/1983* N/A 3 Bell Helicopter Textron 206L, 206L-1, 206L-3, 206L-4 H2SW CAR 6,dtd.12/20/1956, FAR 21.29, FAR 27 and Amendment listed in TCDS H2SW Bell Helicopter Manual BHT 206L- CR&O-3, Chapter 62, Section 62-00- 00., Page 101, Para 5a thru5c. Rev 3, 01/10/2011* N/A 4 Arrow Falcon Exporters, Inc. OH-58A, OH-58+, OH-58C H22NM 14 CFR 21.25, 21.101 14CFR 27 and Amendments Listed in TCDS No. H22NM Bell Helicopter Manual BHT 206A/B-M&O-1, Section II, part1, para.2-35, [2} & [3], Pg.2-51 Rev 33, 03/31/1983* N/A 5 Arrow Falcon Exporters, Inc. OH-58A, OH-58+, OH-58C H22NM 14 CFR 21.25, 21.101 14CFR 27 and Amendments Listed in TCDS No. H22NM Bell Helicopter Manual BHT 206A/B-M&O-1, Section II, part 2, para.2-44c, [2} & [3], Pg.2-81 Rev 33, 03/31/1983* N/A 6 San Joaquin Helicopter Textron OH-58A, OH-58+, OH-58C R00002LA 14 CFR 21.25, 21.101 14CFR 27 and Amendments Listed in TCDS No. R00002LA Bell Helicopter Manual BHT 206A/B-M&O-1, Section II, part1, para.2-35, [2} & [3], Pg.2-51 Rev 33, 03/31/1983* N/A 7 San Joaquin Helicopter Textron OH-58A, OH-58+, OH-58C R00002LA 14 CFR 21.25, 21.101 14CFR 27 and Amendments Listed in TCDS No. R00002LA Bell Helicopter Manual BHT 206A/B-M&O-1, Section II, part 2, para.2-44c, Pg.2-81 Rev 33, 03/31/1983* N/A **FAA APPROVED MODEL LIST (AML) SR02964CH** **AIRWOLF AEROSPACE LLC** **FOR INSTALLING** TENSION TORSION STRAP ASSEMBLY Issue Date: May.12, 2011 Page 2 of 2 **AIRCRAFT MAKE** **AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **INSTALLATION** **INSTRUCTIONS AML** **AMENDMENT DATE ITEM NUMBER REVISION NO. AND DATE** 8 Rotorcraft Development Corporation OH-58A, OH-58+, OH-58C R00006DE 14 CFR 21.25, 21.101 14CFR 27 and Amendments Listed in TCDS No. R00006DE Bell Helicopter Manual BHT 206A/B-M&O-1, Section II, part1, para.2-35, [2} & [3], Pg.2-51 Rev 33, 03/31/1983* N/A 9 Rotorcraft Development Corporation OH-58A, OH-58+, OH-58 R00006DE 14 CFR 21.25, 21.101 14CFR 27 and Amendments Listed in TCDS No. R00006DE Bell Helicopter Manual BHT 206A/B-M&O-1, Section II, part 2, para.2-44c, Pg.2-81 Rev 33, 03/31/1983* N/A * Or Later FAA Approved Revisions Original Signed By: FAA Approved: Karol Mordasiewicz Karol Mordasiewicz Manager, Airframe & Administration Branch Chicago Aircraft Certification Office Date Amended: June 28, 2012 Date Reissued: April 27, 2015 ## Every issue (4) - April 27, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3e/52/3e52ac1f56bb22fd0764512051bda85d4e470d7e63284d120cbdcd88fdbb3018), [SR02964CH_AML.pdf](https://openairdocs.org/files/sha256/08/44/084433dcdf3688259670ff62699217c01e66f96173cb6b1545763a8fd8a69e46) - April 15, 2015: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/3e/52/3e52ac1f56bb22fd0764512051bda85d4e470d7e63284d120cbdcd88fdbb3018), [SR02964CH_AML.pdf](https://openairdocs.org/files/sha256/cf/bf/cfbf201b220b4f583c9cd25173a3e1145dd4585abaa87f79ecd50620afddd4f9) - June 28, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/3e/52/3e52ac1f56bb22fd0764512051bda85d4e470d7e63284d120cbdcd88fdbb3018), [SR02964CH_AML.pdf](https://openairdocs.org/files/sha256/c4/ee/c4ee9e2b255f9912ec069ad837b2d2e90b0524666f4885033ed6c3a50ecd12ed) - May 12, 2011: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/88/95/88953f73b087a78f8354436773f2117855c5d79c9c1895df3bc2cd63c15c6fcc) --- 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.