# STC SR09181RC - Type: Supplemental type certificate - Status: Current, Amended - Holder: Simplex Manufacturing Company, United States - Description: Fabrication of Simplex Model 304 fire attack system. - Applied: June 11, 1997 - Status date: September 30, 2013 - 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), [TCDS H15NM](https://openairdocs.org/tcds/H15NM) - Certificate PDF: https://openairdocs.org/files/sha256/32/7b/327b4e51974c13886bd94714352c0c1017ec48ded8d93cf669b7616a889d64d0 - Approved model list and other attachments: [SR09181RC_AML.pdf](https://openairdocs.org/files/sha256/63/ac/63ac389bda52de2ef8e8a3a105b016248bfd4aebe57882d1bb80bd51d02077e3) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1DF72801D1FF18B586257BFA0057B242.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR09181RC ## ADs that name it (0) None. ## Approved models (6) - Bell Helicopter Textron Inc. 205A-1 ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Helicopter Textron Inc. 205B ([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)) - Hagglund Helicopters LLC UH-1H ([TCDS H15NM](https://openairdocs.org/tcds/H15NM)) ## 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 SR09181RC This certificate, issued to Simplex Manufacturing Company 13340 NE Whitaker Way Portland, OR 97230 Part * of the * Regulations. Original Product⎯Type Certificate Number: * See attached Federal Aviation Administration (FAA) Make: Approved Model List (AML) SR09181RC for approved Model: aircraft models and applicable airworthiness regulations Description of the Type Design Change: Fabrication of Simplex Model 304 Fire Attack System in accordance with Simplex Master Drawing List MDL 304, Revision T, dated June 11, 2013, or later FAA-approved revision; and installation in accordance with Simplex Installation Manual 304-102 002-001, Revision K, dated June 25, 2013, or later FAA-approved revision. Limitations and Conditions: Approval of this change in type design applies to the rotorcraft listed in AML SR09181RC only, equipped with an FAA-approved high skid landing gear system. 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 any other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that helicopter. This modification must be maintained in accordance with Simplex Maintenance Manual 304-102 005-001, Revision F, dated August 8, 2012, or later FAA-approved revision, and operated in accordance with the appropriate Rotorcraft Flight Manual Supplement (RFMS) as shown on AML SR09181RC, or later FAA-approved revision. A copy of this certificate, AML SR09181RC, the Maintenance Manual, and the appropriate RFMS must be maintained as part of the permanent records of the modified helicopter. 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: June 11, 1997 Date reissued: Date of issuance: December 9, 1997 Date amended: 4/23/98; 5/20/98; 8/6/99; 10/4/01; 2/13/04; 7/24/09; 8/18/09; 9/30/13 (Signature) Manager, Seattle Aircraft Certification Office (Title) ### SR09181RC_AML.pdf FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SR09181RC FOR INSTALLATION OF SIMPLEX MODEL 304 FIRE ATTACK SYSTEM ISSUE DATE: April 23, 1998 Page 1 of 1 **ITEM ROTORCRAFT MAKE** **ROTORCRAFT MODEL** **ORIGINAL** **TC NUMBER** **CERTIFICATION BASIS** **FOR ALTERATION** **FAA APPROVED ROTORCRAFT** **FLIGHT MANUAL SUPPLEMENT AML** REVISION DATE Number Revision* 1. Bell 205A-1, 205B H1SW CAR Part 7, dated 08/01/1958 and Amendments 7-1 through 7-4, Category B 304-102 003-002 Revision L, 07/12/2013 09/30/2013 2. BELL 212, 412, 412EP H4SW FAR Part 29, dated 02/01/1965 and Amendments 29-1 and 29-2. See TCDS H4SW for additional information 304-102 003-002 Revision L, 07/12/2013 09/30/2013 3. Hagglund Helicopters, LLC UH-1H H15NM FAR Part 21.25(a)(2) 304-102 003-003 Revision E, 07/12/2013 09/30/2013 * Or later FAA-Approved Revision FAA Approved: Manager, Seattle Aircraft Certification Office AMENDED: 5/20/98; 8/6/99; 10/4/01; 2/13/04; 7/24/09; 9/30/13 REISSUED: ## Every issue (3) - September 30, 2013: Amended, Current. [certificate](https://openairdocs.org/files/sha256/32/7b/327b4e51974c13886bd94714352c0c1017ec48ded8d93cf669b7616a889d64d0), [SR09181RC_AML.pdf](https://openairdocs.org/files/sha256/63/ac/63ac389bda52de2ef8e8a3a105b016248bfd4aebe57882d1bb80bd51d02077e3) - August 18, 2009: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/36/7c/367c651003a980ac5a210d24ebd25429c14e0806ac75f0c0c1c7c50650ab561d), [AML SR09181RC.pdf](https://openairdocs.org/files/sha256/1a/d6/1ad6b084278fc811d74a29734e057133d73d7cce967f8f7bc9fc0016b536e864) - July 24, 2009: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/14/be/14be7cb0f9e5909e9a9e46174e3d95b9689586db54282e1ed6eb3fd641d1cf81), [AML SR09181RC.pdf](https://openairdocs.org/files/sha256/1a/d6/1ad6b084278fc811d74a29734e057133d73d7cce967f8f7bc9fc0016b536e864) --- 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.