STC SR09251RC

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