STC SR01866CH

Number SR01866CH

This Certificate issued to Broadcast Microwave Services, Inc.

12367 Crosthwaite Circle Poway, California 92064

Part 27 of the Federal Aviation Regulations.

Installation of the Skid Mounted, Electrically Actuated Retractable Microwave Antenna on Landing Gear Skid in accordance with. Master Drawing List and Rotorcraft Flight Manual Supplement, as listed on the attached FAA Approved Model List Number SR01866CH, or later FAA approved revisions.

1. Compatibility of this design change with previously approved modifications must be determined by the installer

2. Rotorcraft modified pursuant to STC SR01866CH must be maintained in accordance with Instructions for Continued Airworthiness Manual EAC-OAA-ICA-206, No. Rev., dated May 17, 2002; or BMS 6051693030, Rev B, dated 8/5/2013 or later FAA-accepted revision.

3. This approval is for certain configurations. Additional approval will be required if a) An 1-IF antenna is desired to be installed on the antenna mount, b) any antenna transmits more than 30 watts, or c) if the target aircraft for this installation has engines that are controlled by a Full Authority Digital Engine Control (FADEC).

4. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the user written evidence of that permission..

* See attached FAA Approved Model List (AML) No. SR01866CH for list of approved airplanes models and applicable airworthiness regulations.

Date of application : November 28, 2001

Date of issuance : July 31, 2003

Date reissued : November 10, 2008

Date amended : May 8, 2006; January 24, 2014

(Signature) Manager, Airframe Branch Los Angeles Aircraft Certification Office

(Title)