# STC SR02492LA

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Helicopter Technology Co, United States
- Description: Installation of a Helicopter Technology Company main rotor blade assembly
- Applied: October 18, 2010
- Status date: October 7, 2020
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29, Part 36
- Data sheets: [TCDS R00007DE](https://openairdocs.org/tcds/R00007DE), [TCDS H11SW](https://openairdocs.org/tcds/H11SW), [TCDS H1SW](https://openairdocs.org/tcds/H1SW), [TCDS H2NM](https://openairdocs.org/tcds/H2NM), [TCDS R00002RC](https://openairdocs.org/tcds/R00002RC), [TCDS H15NM](https://openairdocs.org/tcds/H15NM), [TCDS H5SO](https://openairdocs.org/tcds/H5SO), [TCDS R00004RC](https://openairdocs.org/tcds/R00004RC), [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 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/sha256/70/b9/70b9d7978d6a97d300fd85dd412f560bc25122d94407aad5bd43c5345c481f1f
- Approved model list and other attachments: [AML_SR02492LA.pdf](https://openairdocs.org/files/sha256/5b/24/5b241e06fa8a426ff8768ad0fb2de25aa6356ee2957280089b7a5b72d09e95ab)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/23176CC247B317D8862585FB003E45E8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR02492LA

## ADs that name it (0)

None.

## Approved models (28)

- AST Inc. UH-1F ([TCDS H11SW](https://openairdocs.org/tcds/H11SW))
- Arrow Falcon Exporters Inc. UH-1H ([TCDS R00007DE](https://openairdocs.org/tcds/R00007DE))
- Bell Helicopter Textron Inc. 204B ([TCDS H1SW](https://openairdocs.org/tcds/H1SW))
- Bell Helicopter Textron Inc. 205A ([TCDS H1SW](https://openairdocs.org/tcds/H1SW))
- Bell Helicopter Textron Inc. 205A-1 ([TCDS H1SW](https://openairdocs.org/tcds/H1SW))
- California Department of Forestry UH-1F ([TCDS H2NM](https://openairdocs.org/tcds/H2NM))
- Global Helicopter Technology Inc. UH-1H ([TCDS R00002RC](https://openairdocs.org/tcds/R00002RC))
- Hagglund Helicopters LLC UH-1H ([TCDS H15NM](https://openairdocs.org/tcds/H15NM))
- International Helicopters Inc. UH-1B ([TCDS H5SO](https://openairdocs.org/tcds/H5SO))
- JJASPP Engineering Services LLC UH-1H ([TCDS R00004RC](https://openairdocs.org/tcds/R00004RC))
- Northwest Rotorcraft LLC UH-1H ([TCDS R00005SE](https://openairdocs.org/tcds/R00005SE))
- OAS Parts LLC UH-1B ([TCDS H7SO](https://openairdocs.org/tcds/H7SO))
- OAS Parts LLC UH-1H ([TCDS H7SO](https://openairdocs.org/tcds/H7SO))
- Richards Heavylift Helo Inc. UH-1B ([TCDS H3SO](https://openairdocs.org/tcds/H3SO))
- Richards Heavylift Helo Inc. UH-1H ([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-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-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.

FAA Form 8110-2 (4/20) SUPERSEDES PREVIOUS EDITION Page 1 of 3

Number: SR02492LA

This certificate issued to: Helicopter Technology Company 12902 South Broadway Los Angeles, California 90061

Part 29* of the Code of Federal Regulations. *See Certification Basis on Continuation Sheet

Type Certificate Number: See FAA Approved Model List (AML) SR02492LA for Applicable Make and Models Model:

Description of Type Design Change: Installation, operation, and maintenance of Helicopter Technology Company main rotor blade assembly in accordance with the FAA approved documents noted in FAA Approved Model List SR02492LA.

Limitations and Conditions: For aircraft models approved using a 14 CFR 21.25(a)(2) surplus military restricted category certification basis, this approval is applicable only to the following restricted category special purposes: 14 CFR 21.25(b)(1) Agriculture,14 CFR 21.25(b)(2) Forest and Wildlife Conservation (dispersal of firefighting materials only), and 14 CFR 21.25(b)(7) External Cargo Operations. Any other special purpose operations require an additional showing of compliance to applicable 14 CFR Part 36 Noise requirements. Installation of this STC on model UH-1B helicopters requires modifications in accordance with supplemental type certificate SR00026DE.

*Additional limitations and conditions noted on the continuation sheet.

Date of Application: October 18, 2010 Date Reissued:

Date of Issuance: January 13, 2014 Date Amended: June 17, 2014; June 08, 2018:

October 08, 2015; October 07, 2020 By Direction of the Administrator

Manager, Airframe Section, Los Angeles ACO Branch

FAA Form 8110-2 (4/20) SUPERSEDES PREVIOUS EDITION Page 2 of 3

Number: SR02492LA

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SR02492LA Certification Basis: Title 14 CFR Part 29 Amendment 0 dated February 01, 1965 except for the following Federal Aviation Regulation found in compliance with the shown later amendments:

29.547 Amendment 29-4

29.571 Amendment 29-20

Limitations and Conditions: The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. The approval of this modification applies to the above noted aircraft model series noted in the AML 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. Instructions for Continued Airworthiness as noted in AML SR02492LA, or later FAA accepted revision must be available to the operator at the time of installation.

END

FAA Form 8110-2 (4/20) Page 3 of 3

### AML_SR02492LA.pdf

**FAA APPROVED MODEL LIST (AML) NO. SR02492LA**

**HELICOPTER TECHNOLOGY COMPANY**

**FOR INSTALLTION OF A HELICOPTER TECHNOLOGY COMPANY MAIN ROTOR BLADE**

Original Issue January 13, 2014

Page 1 of 5

Controlled Documents Item Aircraft Make Aircraft Model Original Type Certificate Certification Basis Number Revision No. & Date Initial Approval Date Amended date 1 Rotorcraft Development Corporation UH-1H H13WE As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “A” 3/31/2014 1/13/2013 2 JJASPP Engineering Services UH-1H R00004RC As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “A” 3/31/2014 1/17/2014 3 Tamarack Helicopters Inc. UH-1H R00010SE As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “A” 3/31/2014 1/17/2014 4 OAS Parts UH-1H H7SO As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “A” 3/31/2014 1/17/2014

**FAA APPROVED MODEL LIST (AML) NO. SR02492LA**

**HELICOPTER TECHNOLOGY COMPANY**

**FOR INSTALLTION OF A HELICOPTER TECHNOLOGY COMPANY MAIN ROTOR BLADE**

Original Issue January 13, 2014

Page 2 of 5 Controlled Documents Item Aircraft Make Aircraft Model Original Type Certificate Certification Basis Number Revision No. & Date Initial Approval Date Amended date 5 Southwest Florida Aviation UH-1H H6SO As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “A” 3/31/2014 1/17/2014 6 Global Helicopter Technology UH-1H R00002RC As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “A” 3/31/2014 1/17/2014 7 Hagglund Helicopters UH-1H H15NM As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “A” 3/31/2014 1/17/2014 8 Arrow Falcon Exporters UH-1H R00007DE As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “A” 3/31/2014 1/17/2014

**FAA APPROVED MODEL LIST (AML) NO. SR02492LA**

**HELICOPTER TECHNOLOGY COMPANY**

**FOR INSTALLTION OF A HELICOPTER TECHNOLOGY COMPANY MAIN ROTOR BLADE**

Original Issue January 13, 2014

Page 3 of 5 Controlled Documents Item Aircraft Make Aircraft Model Original Type Certificate Certification Basis Number Revision No. & Date Initial Approval Date Amended date 9 Richard’s Heavylift Helo UH-1H H3SO As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “A” 3/31/2014 1/17/2014 10 Northwest Rotorcraft UH-1H R00005SE As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “A” 3/31/2014 1/17/2014 11 Rotorcraft Development Corporation UH-1B H3NM As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “B” 4/10/2015 6/8/2015 12 Rotorcraft Development Corporation UH-1B H13WE As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “B” 4/10/2015 6/8/2015

**FAA APPROVED MODEL LIST (AML) NO. SR02492LA**

**HELICOPTER TECHNOLOGY COMPANY**

**FOR INSTALLTION OF A HELICOPTER TECHNOLOGY COMPANY MAIN ROTOR BLADE**

Original Issue January 13, 2014

Page 4 of 5 Controlled Documents Item Aircraft Make Aircraft Model Original Type Certificate Certification Basis Number Revision No. & Date Initial Approval Date Amended date 13 San Joaquin Helicopters UH-1B H1RM As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “B” 4/10/2015 6/8/2015 14 International Helicopters, Inc.

UH-1B H5SO As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “B” 4/10/2015 6/8/2015 15 Richards Heavylift Helo, Inc.

UH-1B H3SO As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “B” 4/10/2015 6/8/2015 16 OAS Parts LLC UH-1B H7SO As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “B” 4/10/2015 6/8/2015

**FAA APPROVED MODEL LIST (AML) NO. SR02492LA**

**HELICOPTER TECHNOLOGY COMPANY**

**FOR INSTALLTION OF A HELICOPTER TECHNOLOGY COMPANY MAIN ROTOR BLADE**

Original Issue January 13, 2014

Page 5 of 5 Controlled Documents Item Aircraft Make Aircraft Model Original Type Certificate Certification Basis Number Revision No. & Date Initial Approval Date Amended date 17 Rotorcraft Dev. Corp. UH-1F UH-1P TH-1F H12NM As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “C” 5/12/2015 10/08/2015 18 Tamarack Helicopters, Inc. UH-1F TH-1F H7NE As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “C” 5/12/2015 10/08/2015 19` Robinson Air Crane Inc. UH-1F UH-1P TH-1F R00008AT As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “C” 5/12/2015 10/08/2015 29 AST, Inc. UH-1F H11SW As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “C” 5/12/2015 10/08/2015

**FAA APPROVED MODEL LIST (AML) NO. SR02492LA**

**HELICOPTER TECHNOLOGY COMPANY**

**FOR INSTALLTION OF A HELICOPTER TECHNOLOGY COMPANY MAIN ROTOR BLADE**

Original Issue January 13, 2014

Page 6 of 5 Controlled Documents Item Aircraft Make Aircraft Model Original Type Certificate Certification Basis Number Revision No. & Date Initial Approval Date Amended date 30 CA DEPT OF FORESTRY UH-1F H2NM As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “C” 5/12/2015 10/08/2015 31 Bell 204B 205A 205A-1 H1SW As noted on STC SR02492LA Master Document List MDL-204-2100-01

Instructions For Continued Airworthiness Document HTCM-006 Rev. “N/C” 5/11/2011

Rev “C” 5/12/2015 10/08/2015

General Notes

1. Later FAA approved Master Document List MDL-204-2100-01 and Airworthiness Limitations Section of Instructions for Continued Airworthiness Document HTCM-006 are applicable.

2. Later FAA accepted Instructions for Continued Airworthiness Document HTCM-006 are applicable.

FAA Approved _________________________________ Date: ______________________ Gregory S. DiLibero Manager, Airframe Branch Los Angeles Aircraft Certification Office

## Every issue (5)

- October 7, 2020: Amended, Current. [certificate](https://openairdocs.org/files/sha256/70/b9/70b9d7978d6a97d300fd85dd412f560bc25122d94407aad5bd43c5345c481f1f), [AML_SR02492LA.pdf](https://openairdocs.org/files/sha256/5b/24/5b241e06fa8a426ff8768ad0fb2de25aa6356ee2957280089b7a5b72d09e95ab)
- October 8, 2015: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/8c/b6/8cb635ebe7dbd667e9db567af96b386d4a50ea71f4363aaf6b804f5433b6aa8b), [AML_SR02492LA.pdf](https://openairdocs.org/files/sha256/5b/24/5b241e06fa8a426ff8768ad0fb2de25aa6356ee2957280089b7a5b72d09e95ab)
- June 8, 2015: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/ce/66/ce66a461d5fc6e4451ca97d3e66052e13458375501ac0913850a0de3c3d2501e), [SR02492LA_AML.pdf](https://openairdocs.org/files/sha256/2e/1f/2e1f6bedd561ce2a77ad5c3436e510c6df418daf1f19b6cc95645db89dd5142d)
- June 17, 2014: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/22/4d/224d363d5946ae1682dd7e192e8c6249488e035f1a08bc0c98e06618c46bbd24), [AML_SR02492LA.pdf](https://openairdocs.org/files/sha256/ce/02/ce02eda9e95108df06dd9c454b5c282b71b5c0ed4d86c30fc16a97e7468a6e30)
- January 13, 2014: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/a6/a0/a6a074dded8cc4266bd59eede9f0a17ca131f6f2a8037c3b107bdd1320c6e1bb)

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