# STC SR02051LA - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Van Horn Aviation LLC, United States - Description: Installation of a VAn Horn Aviation Tail Rotor Blade. - Applied: September 1, 2005 - Status date: July 16, 2012 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 29 - Data sheets: [TCDS R00007DE](https://openairdocs.org/tcds/R00007DE), [TCDS H11SW](https://openairdocs.org/tcds/H11SW), [TCDS H15NM](https://openairdocs.org/tcds/H15NM), [TCDS H5SO](https://openairdocs.org/tcds/H5SO), [TCDS R00005SE](https://openairdocs.org/tcds/R00005SE), [TCDS H7SO](https://openairdocs.org/tcds/H7SO), [TCDS H3SO](https://openairdocs.org/tcds/H3SO), [TCDS R00008AT](https://openairdocs.org/tcds/R00008AT), [TCDS H12NM](https://openairdocs.org/tcds/H12NM), [TCDS H13WE](https://openairdocs.org/tcds/H13WE), [TCDS H3NM](https://openairdocs.org/tcds/H3NM), [TCDS H1RM](https://openairdocs.org/tcds/H1RM), [TCDS H6SO](https://openairdocs.org/tcds/H6SO), [TCDS H7NE](https://openairdocs.org/tcds/H7NE), [TCDS R00010SE](https://openairdocs.org/tcds/R00010SE) - Certificate PDF: https://openairdocs.org/files/sha256/05/48/0548956af2e68a00dca94d35ec980745ca388ab8f82ea35e27313fe6b67b3de3 - Approved model list and other attachments: [SR02051LA_AML.pdf](https://openairdocs.org/files/sha256/42/4d/424d80fa94c414b68a519dd1a4d9857c984f721908b727d98192259b28d64a36) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E2A8DB3CE5ECEFED86257A77006B87C3.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR02051LA ## ADs that name it (1) - [AD 2021-15-14](https://openairdocs.org/ad/2021-15-14): Rotorcraft Tail Boom · California Department of Forestry UH-1H, UH-1F, TH-1L and 39 more. Effective Aug 30, 2021. Cited in the text ## Approved models (22) - AST Inc. UH-1F ([TCDS H11SW](https://openairdocs.org/tcds/H11SW)) - Arrow Falcon Exporters Inc. UH-1H ([TCDS R00007DE](https://openairdocs.org/tcds/R00007DE)) - Hagglund Helicopters LLC UH-1H ([TCDS H15NM](https://openairdocs.org/tcds/H15NM)) - International Helicopters Inc. UH-1B ([TCDS H5SO](https://openairdocs.org/tcds/H5SO)) - Northwest Rotorcraft LLC UH-1H ([TCDS R00005SE](https://openairdocs.org/tcds/R00005SE)) - Overseas Aircraft Support Inc UH-1B ([TCDS H7SO](https://openairdocs.org/tcds/H7SO)) - Richards Heavylift Helo Inc. UH-1B ([TCDS H3SO](https://openairdocs.org/tcds/H3SO)) - Robinson Air Crane Inc. TH-1F ([TCDS R00008AT](https://openairdocs.org/tcds/R00008AT)) - Robinson Air Crane Inc. UH-1F ([TCDS R00008AT](https://openairdocs.org/tcds/R00008AT)) - Robinson Air Crane Inc. UH-1P ([TCDS R00008AT](https://openairdocs.org/tcds/R00008AT)) - Rotorcraft Development Corporation TH-1F ([TCDS H12NM](https://openairdocs.org/tcds/H12NM)) - Rotorcraft Development Corporation UH-1B ([TCDS H13WE](https://openairdocs.org/tcds/H13WE)) - Rotorcraft Development Corporation UH-1B ([TCDS H3NM](https://openairdocs.org/tcds/H3NM)) - Rotorcraft Development Corporation UH-1F ([TCDS H12NM](https://openairdocs.org/tcds/H12NM)) - Rotorcraft Development Corporation UH-1H ([TCDS H13WE](https://openairdocs.org/tcds/H13WE)) - Rotorcraft Development Corporation UH-1P ([TCDS H12NM](https://openairdocs.org/tcds/H12NM)) - San Joaquin Helicopters UH-1B ([TCDS H1RM](https://openairdocs.org/tcds/H1RM)) - Southwest Florida Aviation International UH-1B ([TCDS H6SO](https://openairdocs.org/tcds/H6SO)) - Southwest Florida Aviation International UH-1H ([TCDS H6SO](https://openairdocs.org/tcds/H6SO)) - Tamarack Helicopters Inc. TH-1F ([TCDS H7NE](https://openairdocs.org/tcds/H7NE)) - Tamarack Helicopters Inc. UH-1F ([TCDS H7NE](https://openairdocs.org/tcds/H7NE)) - Tamarack Helicopters Inc. UH-1H ([TCDS R00010SE](https://openairdocs.org/tcds/R00010SE)) ## 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. This Certificate issued to Van Horn Aviation, L.L.C. 1510 W. Drake Drive Tempe, Arizona 85283 Part 29 of the Federal Aviation Regulations. *See attached FAA Approved Model List (AML) No. SR02051LA for list of approved helicopter models and applicable airworthiness regulations. Description of Type Design Change: Installation of a Van Horn Aviation Tail Rotor Blade in accordance with FAA Approved Van Horn Aviation Documentation as listed on AML No. SR02051LA. When the Van Horn Aviation Tail Rotor Blades are installed on Arrow Falcon Exporters the special purpose is limited to Agricultural under 14 CFR 21.25 (b) (1) and External Load operations. For all other models listed on AML No. SR02051LA, the special purpose is limited to Agricultural, Forest and Wildlife Conservation under 14 CFR 21.25 (b) (1), (2) and External Load operations. Compatibility of this design change with previously approved modifications must be determined by the installer. The approval of this modification applies to the above noted aircraft model series only. A copy of this STC must be included in the permanent records of the modified aircraft. 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 : September 1, 2005 Date of issuance : May 24, 2007 Date reissued : July 16, 2012 Date amended : August 15, 2007; December 18, 2007; April 18, 2008 ( Signature) Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office (Titl ) **DO NOT ADD ANY DATA TO THIS PAGE.** **THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.** Number SR02051LA Certification Basis: Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the helicopter models listed in the AML with the Van Hor Aviation Tail Rotors installed as follows: a. The type certification basis for parts not changed or not affected by the change is shown on the TCDS listed on the AML. b. The certification basis for parts changed or affected by the change since the referenced date of application, September 1, 2005 is based upon part 29 as amended by Amendment 29-47. Based on 14 CFR §§21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be: 14 CFR part 29 subpart C - Strength Requirements and D - Design and Construction at amendment 29-47. 14 CFR 21.25 (a) (2) for subpart B-Flight. - END - ### SR02051LA_AML.pdf This is OCR from the scanned FAA attachment. OCR can misread letters and numbers. **FAA APPROVED MODEL LIST (AML) NO. SR02051LA** **VAN HORN AVIATION** FOR INSTALLATION OF A VAN HORN AVIATION TAIL ROTOR BLADE Original Issue Date: August 15, 2007 Original Certification Controlled Documents Type Basis Item Aircraft Aircraft Certificate for Number Revision No. AML Make Model Number Alteration & Date Amendment Date 1 Garlick UH-1H H13WE As noted on STC Master Document List 204-MDL-001 Rev. B Helicopters SR02051LA 4/25/07 Rotorcraft Flight Manual Supplement 204T-FMS-901 Rev. O 5/22/07 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1-301 4/9/07 2 Arrow Falcon UH-1H R00007DE As noted on STC Master Document List 204-MDL-001 Rev. C Exporters SR02051LA 7/16/07/ Rotorcraft Flight Manual Supplement 204T-FMS-902 Rev. O 8/3/07 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1-302 7/16/07 3 Hagglund UH-1H H15NM As noted on STC Master Document List 204-MDL-001 Rev. C Helicopters, SRO2051LA 7/16/07 LLC Rotorcraft Flight Manual Supplement 204T-FMS-903 Rev. O 8/3/07 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1-303 7/16/07/ Page 1 of 7 **FAA APPROVED MODEL LIST (AML) NO. SR02051LA** **VAN HORN AVIATION** FOR INSTALLATION OF A VAN HORN AVIATION TAIL ROTOR BLADE Original Issue Date: August 15, 2007 Original Certification Controlled Documents Type Basis Item Aircraft Aircraft Certificate for Number Revision No. AML Make Model Number Alteration & Date Amendment Date 4 Northwest UH-1H R00005SE As noted on STC Master Document List 204-MDL-001 Rev. C Rotorcraft, SR02051LA 7/16/07/ LLC Rotorcraft Flight Manual Supplement 204T-FMS-904 Rev. O 8/3/07 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1-304 7/16/07 5 S.M. & T. UH-1H H3SO As noted on STC Master Document List 204-MDL-001 Rev. C Aircraft SR02051LA 7/16/07/ Rotorcraft Flight Manual Supplement 204T-FMS-905 Rev. 0 8/3/07 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1-305 7/16/07/ 6 Southwest UH-1H H6SO As noted on STC Master Document List 204-MDL-001 Rev. C Florida SR02051LA 7/16/07/ Aviation International, Rotorcraft Flight Manual Supplement 204T-FMS-906 Rev. O Inc. 8/3/07 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1-306 7/16/07 Page 2 of 7 **FAA APPROVED MODEL LIST (AML) NO. SRO2051LA** **VAN HORN AVIATION** FOR INSTALLATION OF A VAN HORN AVIATION TAIL ROTOR BLADE Original Issue Date: August 15, 2007 Original Certification Controlled Documents Type Basis Item Aircraft Aircraft Certificate for Number Revision No. AML Make Model Number Alteration & Date Amendment Date 7 Overseas UH-1H H7SO As noted on STC Master Document List 204-MDL-001 Rev. C Aircraft SR02051LA 7/16/07/ 4/18/08 Support Rotorcraft Flight Manual Supplement 204T-FMS-907 Rev. O 8/3/07 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1-307 7/16/07/ Garlick UH-1B H13WE As noted on STC Master Document List 204-MDL-001 Rev. D Helicopters SR02051LA 2/21/08/ Rotorcraft Flight Manual Supplement 204T-FMS-912 Rev. O 4/17/08 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1B-312 2/19/08 9 Garlick UH-1F, H12NM As noted on STC Master Document List 204-MDL-001 Rev. D Helicopters TH-1F, SR02051LA 2/21/08/ 4/18/08 UH-1P Rotorcraft Flight Manual Supplement 204T-FMS-908 Rev. O 4/17/08 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1F-308 2/19/08/ Page 3 of 7 **FAA APPROVED MODEL LIST (AML) NO. SR02051LA** **VAN HORN AVIATION** FOR INSTALLATION OF A VAN HORN AVIATION TAIL ROTOR BLADE Original Issue Date: August 15, 2007 Original Type Certification Basis Controlled Documents Item Aircraft Aircraft Certificate for Number Revision No. AML Make Model Number Alteration & Date Amendment Date 10 AST UH-1F H11SW As noted on STC Master Document List 204-MDL-001 Rev. D SR02051LA 2/21/08 4/18/08 Rotorcraft Flight Manual Supplement 204T-FMS-909 Rev. O 4/17/08 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1F-309 2/19/08 11 Tamarack UH-1F, H7NE As noted on STC Master Document List 204-MDL-001 Rev. D Helicopters TH-1F SR02051LA 2/21/08 4/18/08 Rotorcraft Flight Manual Supplement 204T-FMS-910 Rev. O 4/17/08 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1F-310 2/19/08 12 Robinson UH-1F, R00008AT As noted on STC Master Document List 204-MDL-001 Rev. D Air Crane TH-1F, SR02051LA 2/21/08 4/18/08 UH-1P Rotorcraft Flight Manual Supplement 204T-FMS-911 Rev. O 4/17/08 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1F-311 2/19/08 Page 4 of 7 **FAA APPROVED MODEL LIST (AML) NO. SR02051LA** **VAN HORN AVIATION** FOR INSTALLATION OF A VAN HORN AVIATION TAIL ROTOR BLADE Original Issue Date: August 15, 2007 Original Certification Controlled Documents Type Basis Item Aircraft Aircraft Certificate for Number Revision No. AML Make Model Number Alteration & Date Amendment Date 13 S.M. & T. UH-1B H3SO As noted on STC Master Document List 204-MDL-001 Rev. D Aircraft SR02051LA 2/21/08 4/18/08 Rotorcraft Flight Manual Supplement 204T-FMS-913 Rev. O 4/17/08 Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1B-313 2/19/08/ 14 Southwest UH-1B H6SO As noted on STC Master Document List 204-MDL-001 Rev. D Florida SR02051LA 2/21/08 4/18/08 Aviation Rotorcraft Flight Manual Supplement 204T-FMS-914 Rev. O 4/17/08/ Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1B-314 2/19/08 15 Overseas UH-1B H7SO As noted on STC Master Document List 204-MDL-001 Rev. D Aircraft SR02051LA 2/21/08 4/18/08 Support Rotorcraft Flight Manual Supplement 204T-FMS-915 Rev. O 4/17/08/ Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1B-315 2/19/08 Page 5 of 7 **FAA APPROVED MODEL LIST (AML) NO. SR02051LA** **VAN HORN AVIATION** FOR INSTALLATION OF A VAN HORN AVIATION TAIL ROTOR BLADE Original Issue Date: August 15, 2007 Original Certification Controlled Documents Type Basis Item Aircraft Aircraft Certificate for Number Revision No. AML Make Model Number Alteration & Date Amendment Date 16 San Joaquin UH-1B HIRM As noted on STC Master Document List 204-MDL-001 Rev. E Helicopters SR02051LA 9/21/09/ 3/11/2010 Rotorcraft Flight Manual Supplement 204T-FMS-916 Rev. O Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1B-316 9/5/09 17 International UH-1B H5SO As noted on STC Master Document List 204-MDL-001 Rev. E Helicopters SR02051LA 9/21/09 3/11/2010 Inc. Rotorcraft Flight Manual Supplement 204T-FMS-917 Rev. O Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1B-317 9/5/09 Page 6 of 7 **FAA APPROVED MODEL LIST (AML) NO. SRO2051LA** **VAN HORN AVIATION** FOR INSTALLATION OF A VAN HORN AVIATION TAIL ROTOR BLADE Original Issue Date: August 15, 2007 Original Certification Controlled Documents Type Basis Item Aircraft Aircraft Certificate for Number Revision AML Make Model Number Alteration No. Amendment & Date Date 18 Tamarack UH-1H R00010SE As noted on STC Master Document List 204-MDL-001 Rev. E Helicopters SR02051LA 9/21/09 3/11/2010 Inc. Rotorcraft Flight Manual Supplement 204T-FMS-918 Rev. O Instructions for Continued Airworthiness Document Rev. N/C VMM-UH1B-3018 9/5/09 FAA Approved: Gregory S. DiLibero Manager, Airframe Branch Los Angeles Aircraft Certification Office Page 7 of 7 ## Every issue (3) - July 16, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/05/48/0548956af2e68a00dca94d35ec980745ca388ab8f82ea35e27313fe6b67b3de3), [SR02051LA_AML.pdf](https://openairdocs.org/files/sha256/42/4d/424d80fa94c414b68a519dd1a4d9857c984f721908b727d98192259b28d64a36) - March 11, 2010: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/5c/53/5c531892689267d04868997a6a2564a5ca66dec3ab7d5baf04a3d55d14ffe1c9), [AML SR02051LA.pdf](https://openairdocs.org/files/sha256/42/4d/424d80fa94c414b68a519dd1a4d9857c984f721908b727d98192259b28d64a36) - May 24, 2007: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/5c/53/5c531892689267d04868997a6a2564a5ca66dec3ab7d5baf04a3d55d14ffe1c9) --- 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.