# STC SR09251RC - Type: Supplemental type certificate - Status: Current, Reissued - Holder: RSG Products Inc, United States - Description: Installation of a Vapor Cycle (R-134a Refrigerant) Air-Conditioner with belt driven compressor - Applied: August 24, 1998 - Status date: March 3, 2016 - Product: Aircraft, Rotorcraft - Certification basis: Part 21 - Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE) - Certificate PDF: https://openairdocs.org/files/sha256/28/6d/286da4d9aa401e08626e161a1e74647407aa7b7666e7256b8dbe395ef1f062e3 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/26FB97591323E7CF86257F710064D56B.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR09251RC ## ADs that name it (0) None. ## Approved models (3) - MD Helicopters Inc. 369E ([TCDS H3WE](https://openairdocs.org/tcds/H3WE)) - MD Helicopters Inc. 369FF ([TCDS H3WE](https://openairdocs.org/tcds/H3WE)) - MD Helicopters Inc. 500N ([TCDS H3WE](https://openairdocs.org/tcds/H3WE)) ## 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 RSG Products, Inc. 3900 Falcon Way West, Hangar 16S Fort Worth, Texas 76106 Part 6 of the Civil Air Regulations. Original Product Type Certificate Number : H3WE Make: MD Helicopter Model: 369E, 369FF, 500N Description of Type Design Change: Installation of a Vapor Cycle (R-134a Refrigerant) Air-Conditioner with belt driven compressor in accordance with Integrated Flight Systems, Inc., Drawing List DL-41-1 Revision N/C dated September 20, 1998, or later FAA approved revision. Limitations and Conditions: FAA Approved Rotorcraft Flight Manual Supplement (RFMS) for Model 369FF dated July 10, 2000, or later FAA approved revision. FAA approved RFMS for Models 369E and 500N dated July 10, 2000, or later FAA approved RFMS is required. Compatibility of this design change with previously approved modifications must be determined by the installer. This installation should not be incorporated in any rotorcraft 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 rotorcraft. A copy of this STC must be included in the permanent records of 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 : August 24, 1998 Date of issuance : July 10, 2000 Date reissued : September 10, 2001, March 25, 2010, March 3, 2016 (Signature) Acting Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office (Title) Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP Code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and ZIP Code) Signature of grantor (In ink): U.S. GPO 1987-763-28 ## Every issue (2) - March 3, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/28/6d/286da4d9aa401e08626e161a1e74647407aa7b7666e7256b8dbe395ef1f062e3) - March 25, 2010: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/df/8e/df8e60e0d0d90360f960da53240494a56c85f79e6c18d4671a1afcdd12557473) --- 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.