# STC SR12427IB - Type: Supplemental type certificate - Status: Current, Issued - Holder: Anodyne Electronics Manufacturing Corporation, Canada - Description: Installation of an AEM MTP136D Panel Mount FM Transceiver - Applied: April 8, 2026 - Status date: June 30, 2026 - Product: Aircraft, Rotorcraft - Certification basis: Part 29 - Foreign approvals: TCCA STC #SR25-17 @ Issue 2 03/06/2026 - Data sheets: [TCDS H1SW](https://openairdocs.org/tcds/H1SW), [TCDS H4SW](https://openairdocs.org/tcds/H4SW) - Certificate PDF: https://openairdocs.org/files/sha256/1a/7b/1a7b0f4c724980ce62fd6ee8804d969555ec499ee722a123711f63b113473415 - Approved model list and other attachments: [SR12427IB AML.pdf](https://openairdocs.org/files/sha256/37/60/37605181dcda8c9747f359179ccaa4cf23c9d51931bb831d6447b097cd04ba5a) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102990608720260701155647.0001 - DRS record last changed: July 1, 2026 - Page: https://openairdocs.org/stc/SR12427IB ## ADs that name it (0) None. ## Approved models (9) - Bell Textron Inc. 204B ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Textron Inc. 205A ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Textron Inc. 205A-1 ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Textron Inc. 205B ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Textron Inc. 210 ([TCDS H1SW](https://openairdocs.org/tcds/H1SW)) - Bell Textron Inc. 212 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) - Bell Textron Inc. 412 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) - Bell Textron Inc. 412CF ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) - Bell Textron Inc. 412EP ([TCDS H4SW](https://openairdocs.org/tcds/H4SW)) ## 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. FAA 8110-2 (10/24) Page 1 of ___ IMPORT SR12427IB Anodyne Electronics Manufacturing Corporation #100-966 Crowley Avenue Kelowna, British Columbia Canada V1Y 0L1 Part 29 Title 14, Code of Federal Regulations *See attached FAA Approved Model List (AML) No. SR12427IB for a list of approved models and applicable airworthiness regulations. *See attached FAA AML No. SR12427IB *See attached FAA AML No. SR12427IB 1. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission. 2. The installer must determine whether this design change is compatible with previously approved modifications. (See continuation sheet 3) 04/08/2026 06/30/2026 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3 1. Installation of an AEM MTP136D Panel Mount FM Transceiver must be in accordance with the applicable Modification Order as shown on the attached FAA AML No. SR12427IB. 2. Operation must be in accordance with the applicable Rotorcraft Flight Manual Supplement as shown on the attached FAA AML No. SR12427IB. 3. Maintenance must be in accordance with the applicable Instructions for Continued Airworthiness as shown on the attached FAA AML No. SR12427IB. 4. Definition of the Type Design Change is defined in the applicable Master Data List as shown on the attached FAA AML No. SR12427IB. 3. This STC is applicable to all serial numbers for the Make-Models as shown on the attached FAA AML No. SR12427IB, except Bell Textron Inc. Model 412EPI derivative of Model 412EP (serial numbers 37002 and subsequent) are excluded. 4. Operation must be in accordance with the Limitations section of the Rotorcraft Flight Manual Supplement referenced in the Description of Type Design Change section of this STC. 5. The aircraft must be equipped with an existing VHF FM antenna and radio mounting provisions installation that meet the requirements specified in the Modification Order as shown on the attached FAA AML No. SR12427IB as a prerequisite. ----------END---------- 3 3 ### SR12427IB AML.pdf **FAA APPROVED MODEL LIST (AML) NO. SR12427IB** ANODYNE ELECTRONICS MANUFACTURING CORPORATION For AEM MTP136D Panel Mount FM Transceiver Issue Date: June 30, 2026 Page 1 of 1 * Certification Basis: Based on Title 14 Code of Federal Regulations (14 CFR) § 21.115 and § 21.101, and the FAA policy for design changes that are identified as not significant in FAA Order 8110.48, the type certification basis for modified rotorcraft models is as follows: a. The type certification basis for the rotorcraft is shown on the applicable Type Certificate Date Sheet (TCDS) for parts not changed or not affected by the change. b. The type certification basis for the rotorcraft for parts changed or affected by the change is the following 14 CFR regulations as amended through Amendment 29-59: §§ 29.1, 29.29, 29.301, 29.303, 29.305, 29.307, 29.321, 29.337, 29.341, 29.471, 29.561, 29.601, 29.603, 29.605, 29.607, 29.609, 29.610, 29.611, 29.613, 29.619, 29.623, 29.625, 29.771, 29.773, 29.777, 29.1301, 29.1309, 29.1327, 29.1351, 29.1357, 29.1359, 29.1381, 29.1431, 29.1501, 29.1529, 29.1541, 29.1547, 29.1581. FAA Approved: __________________________________ John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service **ITEM MAKE MODEL CERT BASIS** **TCDS REQUIRED DOCUMENTATION INITIAL** **APPROV AL DATE AMEND** **DATE MODIFICATION ORDER** **ROTORCRAFT FLIGHT MANUAL** **SUPPLEMENT** **INSTRUCTIONS FOR** **CONTINUED** **AIRWORTHINESS** **DEFINITION** OF THE TYPE DESIGN CHANGE 1 Bell Textron Inc. 204B 205A 205A-1 205B 210 * H1SW Anodyne Electronics Manufacturing Corporation (AEM) Modification Order AEM002-658-0, Rev 1.00, dated August 19, 2025, or later Transport Canada Civil Aviation (TCCA) approved revision. AEM Rotorcraft Flight Manual Supplement AEM002-818-0, Rev 1.00, dated August 19, 2025, or later TCCA approved revision. AEM Instructions for Continued Airworthiness AEM002-639-0, Rev 1.00, dated August 19, 2025, or later TCCA accepted revision. Amtech Aeronautical Limited Master Data List MDL485901, Rev IR, dated August 25, 2025, or later TCCA approved revision. 6/30/2026 N/A 2 Bell Textron Inc. 212 412 412CF 412EP * H4SW ## Every issue (1) - June 30, 2026: Issued, Current. [certificate](https://openairdocs.org/files/sha256/1a/7b/1a7b0f4c724980ce62fd6ee8804d969555ec499ee722a123711f63b113473415), [SR12427IB AML.pdf](https://openairdocs.org/files/sha256/37/60/37605181dcda8c9747f359179ccaa4cf23c9d51931bb831d6447b097cd04ba5a) --- 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.