# STC SR02641SE - Type: Supplemental type certificate - Status: Current, Issued - Holder: Northwest Heli-Structures Inc, United States - Description: Installation of a Service Deck - Applied: January 9, 2018 - Status date: May 3, 2019 - Product: Aircraft, Rotorcraft - Certification basis: Part 21 - Data sheets: [TCDS R00007DE](https://openairdocs.org/tcds/R00007DE), [TCDS R00002RC](https://openairdocs.org/tcds/R00002RC), [TCDS H15NM](https://openairdocs.org/tcds/H15NM), [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 H13WE](https://openairdocs.org/tcds/H13WE), [TCDS H6SO](https://openairdocs.org/tcds/H6SO), [TCDS R00010SE](https://openairdocs.org/tcds/R00010SE) - Certificate PDF: https://openairdocs.org/files/sha256/a1/bf/a1bfb6e4995b20e5d729f68e6b6c7820619718c8ede1254452a56289896db7d5 - Approved model list and other attachments: [SR02641SE_AML.pdf](https://openairdocs.org/files/sha256/ad/1d/ad1d7b39919513c68241c85bd0209b7d416093cad73e74ae532763491b9ec227) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CEA2322619EC26BD862585E00045546D.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR02641SE ## ADs that name it (0) None. ## Approved models (10) - Arrow Falcon Exporters Inc. UH-1H ([TCDS R00007DE](https://openairdocs.org/tcds/R00007DE)) - 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)) - 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)) - Overseas Aircraft Support Inc. UH-1H ([TCDS H7SO](https://openairdocs.org/tcds/H7SO)) - Richards Heavylift Helo Inc. UH-1H ([TCDS H3SO](https://openairdocs.org/tcds/H3SO)) - Rotorcraft Development Corporation UH-1H ([TCDS H13WE](https://openairdocs.org/tcds/H13WE)) - Southwest Florida Aviation International SW205 (UH-1H) ([TCDS H6SO](https://openairdocs.org/tcds/H6SO)) - Tamarack Helicopters Inc. UH-1H ([TCDS R00010SE](https://openairdocs.org/tcds/R00010SE)) ## What the certificate says This is OCR from the scanned FAA certificate. OCR can misread letters and numbers. United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SRO2641SE This certificate issued to: Northwest Heli-Structures, Inc. 3911 Spur Ridge Lane Bellingham, WA 98266 Part * of the * Regulations. Original Product -Type Certificate Number: * See attached Federal Aviation Administration (FAA) Make: Approved Model List (AML) SR02641SE for approved Model: aircraft models and applicable airworthiness regulations Description of Type Design Change: Installation of a Service Deck in accordance with Installation Instructions DM1518-6 Revision A, dated May 26, 2019, or later FAA approved revision. Manufactured in accordance with Master Drawing List as listed on AML SR02641SE dated May 3, 2019, or later FAA approved revision. Maintained in accordance with the Instructions for Continued Airworthiness (ICA) as listed on AML SR02641SE dated May 3, 2019, or later FAA approved revision. Limitations and Conditions: Approval of this change in type design applies to the rotorcraft listed on AML SR02641SE 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 other previously approved modifications will introduce no adverse effect upon the airworthiness of that rotorcraft. A copy of this certificate, AML SR02641SE, and ICA, must be maintained as part of the permanent records for 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: January 9, 2018 Date Reissued: Date of Issuance: May 3, 2019 Date Amended: FEDERAL AVIATION By Direction of the Administrator Nancy marsh ADMINISTRATION (Signature fov Acting Manager, Seattle ACO Branch (Title) The ST's supporting documentation (drawings, instructions, specifications, fight manual supplements, etc.) is the property of the STC holder. An STC holder who allows a person to use the SIC to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (Ref. 14 CFR 21.120). **FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES** ### SR02641SE_AML.pdf This is OCR from the scanned FAA attachment. OCR can misread letters and numbers. **FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR02641SE FOR** ENGINE DECK INSTALLATION ISSUE DATE: May 3, 2019 **ITEM AIRCRAFT / AIRCRAFT / ORIGINAL CERTIFICATION FAA ACCEPTED FAA APPROVED AML** **ROTORCRAFT ROTORCRAFT TC BASIS FOR INSTRUCTIONS FOR MASTER DRAWING REV** **MAKE MODEL NUMBER ALTERATION CONTINUED LIST DATE** AIRWORTHINESS Number Revision* Drawing Revision* Richards Heavylift UH-1H H3SO See TCDS H3SO DM1518-8 DM1518-4 IR 1. Helo, Inc. Revision 17 2/26/2019 2/26/2019 Southwest Florida UH-1H H6SO See TCDS H6SO DM1518-8 DM1518-4 IR 2. Aviation Revision 8 2/26/2019 2/26/2019 International, Inc. 3. JTBAM, INC UH-1H H7SO See TCDS H7SO DM1518-8 2126/2019 DM1518-4 IR Revision 12 2/26/2019 Rotorcraft Dev. UH-1H H13WE See TCDS H13WE DM1518-8 DM1518-4 IR 4. Corp. Revision 13 2/26/2019 2/26/2019 Hagglund UH-1H H15NM See TCDS H15NM DM1518-8 A DM1518-4 IR 5. Helicopters, LLC Revision 3 2/26/2019 2/26/2019 Global Helicopter UH-1H R00002RC See TCDS DM1518-8 A DM1518-4 IR 6. Technology, Inc. R00002RC 2/26/2019 2/26/2019 Revision IR JJASPP UH-1H R00004RC See TCDS DM1518-8 A DM1518-4 B IR 7. Engineering R00004RC 2/26/2019 2/26/2019 Services, LLC Revision 2 Northwest UH-1H R00005SE See TCDS DM1518-8 A DM1518-4 B IR 8. Rotorcraft, LLC R00005SE 2/26/2019 2/26/2019 Revision 2 Arrow Falcon UH-1H R00007DE See TCDS DM1518-8 DM1518-4 B IR 9. Exporters Inc. R00007DE 2/26/2019 2/26/2019 Revision 4 Tamarack UH-1H R00010SE See TCDS DM1518-8 A DM1518-4 B IR 10. Helicopters, Inc. R00010SE 2/26/2019 2/26/2019 Revision 2 * Or later FAA Approved Revision FAA Approved: Nancy marsh for Acting Manager, Seattle АСО Branch AMENDED: REISSUED: Page 1 of 1 ## Every issue (1) - May 3, 2019: Issued, Current. [certificate](https://openairdocs.org/files/sha256/a1/bf/a1bfb6e4995b20e5d729f68e6b6c7820619718c8ede1254452a56289896db7d5), [SR02641SE_AML.pdf](https://openairdocs.org/files/sha256/ad/1d/ad1d7b39919513c68241c85bd0209b7d416093cad73e74ae532763491b9ec227) --- 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.