# STC SR01866CH - Type: Supplemental type certificate - Status: Current, Amended - Holder: Broadcast Microwave Services Inc., United States - Description: Install Electrically Actuated Retractable Microwave Antenna on Landing Gear Skid. - Applied: November 28, 2001 - Status date: January 24, 2014 - Product: Aircraft, Rotorcraft - Certification basis: Part 21, Part 27 - Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU), [TCDS H2SW](https://openairdocs.org/tcds/H2SW) - Certificate PDF: https://openairdocs.org/files/sha256/bd/56/bd56beb773c4af846d9f09370b2ca8dbc2d0d7be7a7fc8009a6b0daba453e2c0 - Approved model list and other attachments: [AML SR01866CH.pdf](https://openairdocs.org/files/sha256/15/2c/152c182273701b7d37551962367d384cc2681f4c92bd4c04098436bcd65e1707) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/234E29531E0310F986257C6E0064466E.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SR01866CH ## ADs that name it (0) None. ## Approved models (14) - Airbus Helicopters AS-350B ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350B1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350B2 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350B3 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350BA ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Airbus Helicopters AS-350D ([TCDS H9EU](https://openairdocs.org/tcds/H9EU)) - Bell Helicopter Textron Canada Limited 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206A-1 (OH-58A) ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L-1 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L-3 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 206L-4 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) - Bell Helicopter Textron Canada Limited 407 ([TCDS H2SW](https://openairdocs.org/tcds/H2SW)) ## 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 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) ### AML SR01866CH.pdf Rev Date: January 24, 2014 Issue Date: May 8, 2006 FAA APPROVED MODEL LIST (AML) NO. SR01866CH Broadcast Microwave Services, Inc. **INSTALLATION OF ELECTRICALLY ACTUATED RETRACTABLE MICROWAVE ANTENNA** ITEM AIRCRAFT MAKE AIRCRAFT MODEL ORIGINAL TYPE CERTIFICATE NUMBER CERTIFICATION BASIS FOR ALTERATION DESIGN DATA RFM SUPPLEMENT NUMBER AML AMENDMENT DATE 1 Bell Helicopter Textron 206A, 206A-1, 206B, 206L, 206L- 1, 206L-3, 206L-4, 407 H2SW CAR Part 6 and amendments listed in TCDS H2SW Master Drawing List EAC-OAA-101, Revision O, dated 4/11/06 Installation Instructions: EAC- 101-II, No Revisions, dated 7/21/03 EAC-OAA-101-RFMS, Revision O dated 6/20/03 May 8, 2006 2 Eurocopter France AS350D, AS350B, AS350B1, AS350BA, AS350B2, AS350B3 H9EU 14CFR Part 27 and amendments listed in TCDS H9EU Master Drawing List EAC-OAA-101, Revision O, dated 4/11/06 Installation Instructions BMS 6051693100 Revision A, dated 8/5/13 BMS 6051693031 Revision A, dated 8/5/13 January 24, 2014 ----------------------------------------------------------------------------------- ------------------------------------------------------ Gregory S. DiLibero Date Manager, Airframe Branch Los Angeles Aircraft Certification Office ## Every issue (2) - January 24, 2014: Amended, Current. [certificate](https://openairdocs.org/files/sha256/bd/56/bd56beb773c4af846d9f09370b2ca8dbc2d0d7be7a7fc8009a6b0daba453e2c0), [AML SR01866CH.pdf](https://openairdocs.org/files/sha256/15/2c/152c182273701b7d37551962367d384cc2681f4c92bd4c04098436bcd65e1707) - November 10, 2008: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b9/70/b97023d1f2aae0da7806c3e5ab665b97f2ffbc860065ab1de7ac07834192d3cc), [SR01866CH_AML.pdf](https://openairdocs.org/files/sha256/0a/3f/0a3f088c464d8464eb75dc9baf09a9175bd9039f82ea54f184ef1e1373fb45e8) --- 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.