# STC SR02126SE - Type: Supplemental type certificate - Status: Current, Amended - Holder: Mechanical Specialties Inc, United States - Description: Installation of the MECHANICAL SPECIALTIES, Model # UH606 in accordance with document # UH606-100-ICAW paragraph 6, Revision A, dated November 09, 2008, or later FAA approved revision. Manufactured in accordance with Master Document list MDL-205-60-111, Revision A, dated April 9, 2009, or later FAA approved revision. Maintained in accordance with document # UH606-100-ICAW Revision A, dated November 09, 2008, or later FAA approved revision. - Applied: March 31, 2009 - Status date: April 19, 2012 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 29 - Data sheets: [TCDS H1SW](https://openairdocs.org/tcds/H1SW), [TCDS H4SW](https://openairdocs.org/tcds/H4SW) - Certificate PDF: https://openairdocs.org/files/sha256/fd/ba/fdba24e26dba5f4dd52bdddd3b0dc90af5fb03a3e9cdda2fb1360b18f0402191 - Approved model list and other attachments: [SR02126SE AML.pdf](https://openairdocs.org/files/sha256/1a/0d/1a0d3af68b42613fe66af4c7cc4ff8a2816bb656412e682d598ecf9b23f902be) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/040FAF85105777BB862579EC007025B5.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SR02126SE ## ADs that name it (0) None. ## Approved models (5) - Bell Helicopter Textron Inc. 204B ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Helicopter Textron Inc. 205A-1 ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Helicopter Textron Inc. 212 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) - Bell Helicopter Textron Inc. 412 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) - Bell Helicopter Textron Inc. 412EP ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) ## 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. Number SR02126SE This certificate, issued to Mechanical Specialties, LLC 1000 85th Ave. SE Olympia, WA 98501 Part * of the * Regulations. Original ProductType Certificate Number: *See attached Approved Model List (AML) Make: SR02126SE for list of approved rotorcraft Model: models and applicable airworthiness regulations Description of the Type Design Change: Installation of Mechanical Specialties, LLC Cargo Hook and Suspension Assembly System, Model Number UH606, in accordance with Mechanical Specialties, LLC Document UH606-100-ICAW, Paragraph 6, Revision A, dated November 9, 2008, or later Federal Aviation Administration (FAA) approved revision. Manufactured in accordance with Mechanical Specialties, LLC Master Document List MDL-205-60-111, Revision B, dated April 12, 2012, or later FAA-approved revision. Maintained in accordance with Mechanical Specialties, LLC Document UH606-100-ICAW, Revision A, dated November 9, 2008, or later FAA-approved revision. Limitations and Conditions: Approval of this change in type design applies to only those rotorcraft listed above. This approval should not be extended to 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 of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that rotorcraft. Bell model rotorcraft modified in accordance with this supplemental type certificate must be operated in accordance with a copy of the FAA-approved Mechanical Specialties, LLC Rotorcraft Flight Manual Supplement (RFMS) MSI-FMS-UH606-01, dated March 30, 2012, or later FAA-approved revision. A copy of this certificate, AML SR02126SE, the FAA-approved RFMS, and the Instructions for Continued Airworthiness must be maintained as part of the permanent record for the modified rotorcraft. 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: March 31, 2009 Date reissued: Date of issuance: March 28, 2011 Date amended: April 19, 2012 (Signature) Acting Manager, Seattle Aircraft Certification Office (Title) ### SR02126SE AML.pdf **FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR02126SE FOR** INSTALLATION OF CARGO HOOK AND SUSPENSION ASSEMBLY ISSUE DATE: April 19, 2012 Page 1 of 1 **FAA APPROVED** **ROTORCRAFT FLIGHT** **MANUAL SUPPLEMENT** **FAA APPROVED MASTER** **DRAWING LIST** **ITEM ROTORCRAFT MAKE** **ROTORCRAFT MODEL** **ORIGINAL TC NUMBER** **CERTIFICATION** **BASIS FOR** ALTERATION Number Revision* Drawing Revision* AML REV DATE 1. Bell Helicopter Textron, Inc 204B H1SW CAR 7,dated 8/1/56, and Amendments 7-1 through 7-4, Category B MSI-FMS-UH606-01 dated March 30, 2012 IR MDL-205-60-111 dated April 12, 2012 B 2. Bell Helicopter Textron, Inc 205A-1 H1SW CAR 7, dated 8/1/56, and Amendments 7-1 through 7-4, Category B MSI-FMS-UH606-01 dated March 30, 2012 IR MDL-205-60-111 dated April 12, 2012 B 3. Bell Helicopter Textron, Inc 212 H4SW FAR Part 29, dated 2/1/65, and Amendments 29-1 and 29-2. See TCDS H4SW for additional information MSI-FMS-UH606-01 dated March 30, 2012 IR MDL-205-60-111 dated April 12, 2012 B 4. Bell Helicopter Textron, Inc 412 H4SW FAR Part 29, dated 2/1/65, and Amendments 29-1 and 29-2. See TCDS H4SW for additional information MSI-FMS-UH606-01 dated March 30, 2012 IR MDL-205-60-111 dated April 12, 2012 B 5. Bell Helicopter Textron, Inc 412EP H4SW FAR Part 29, dated 2/1/65, and Amendments 29-1 and 29-2. See TCDS H4SW for additional information MSI-FMS-UH606-01 dated March 30, 2012 IR MDL-205-60-111 dated April 12, 2012 B * Or later FAA Approved Revision FAA Approved: Acting Manager, Seattle Aircraft Certification Office AMENDED: REISSUED: ## Every issue (2) - April 19, 2012: Amended, Current. [certificate](https://openairdocs.org/files/sha256/fd/ba/fdba24e26dba5f4dd52bdddd3b0dc90af5fb03a3e9cdda2fb1360b18f0402191), [SR02126SE AML.pdf](https://openairdocs.org/files/sha256/1a/0d/1a0d3af68b42613fe66af4c7cc4ff8a2816bb656412e682d598ecf9b23f902be) - March 28, 2011: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/fe/20/fe20715f9aa40f13f9d4699736b5f5c8455e369954fa345355f3b0bec07261da) --- 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.