# STC SA04634NY - Type: Supplemental type certificate - Status: Current, Issued - Holder: Marsh Brothers Aviation Inc, Canada - Description: Modification of the Brake Master Cylinder - Applied: January 18, 2021 - Status date: May 17, 2021 - Product: Aircraft, Small Airplane - Certification basis: Part 23 - Foreign approvals: TCCA SA21-5 Issue 1 - Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15), [TCDS 3A16](https://openairdocs.org/tcds/3A16), [TCDS 3A20](https://openairdocs.org/tcds/3A20), [TCDS A-777](https://openairdocs.org/tcds/A-777), [TCDS A14CE](https://openairdocs.org/tcds/A14CE), [TCDS A23CE](https://openairdocs.org/tcds/A23CE), [TCDS A24CE](https://openairdocs.org/tcds/A24CE), [TCDS A31CE](https://openairdocs.org/tcds/A31CE) - Certificate PDF: https://openairdocs.org/files/sha256/ba/a2/baa22fb97344e1f9cc78b286eb18dced23b0c871ca11ca2872e7e85a0b088b47 - Approved model list and other attachments: [SA04634NY AML.pdf](https://openairdocs.org/files/sha256/ff/56/ff5643ad8dc701a72a26dbbaf2494ee63a5a56af79b8097b010f76f31f43c5be) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/23187002240B476B862586E0004D482E.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA04634NY ## ADs that name it (0) None. ## Approved models (96, first 50) - Textron Aviation Inc. 100 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Textron Aviation Inc. 1900 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. 1900C ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. 1900C (C-12J) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. 1900D ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. 200 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. 200C ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. 200CT ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. 200T ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. 300 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. 300LW ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. 35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Textron Aviation Inc. 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. 35R ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Textron Aviation Inc. 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. 56TC ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. 58 ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. 58A ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. 58P ([TCDS A23CE](https://openairdocs.org/tcds/A23CE)) - Textron Aviation Inc. 58PA ([TCDS A23CE](https://openairdocs.org/tcds/A23CE)) - Textron Aviation Inc. 58TC ([TCDS A23CE](https://openairdocs.org/tcds/A23CE)) - Textron Aviation Inc. 58TCA ([TCDS A23CE](https://openairdocs.org/tcds/A23CE)) - Textron Aviation Inc. 65-90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-A90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 95 ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. 95-55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. 95-A55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. 95-B55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. 95-B55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. 95-B55B ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. 95-C55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. 95-C55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. 99 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Textron Aviation Inc. 99A ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Textron Aviation Inc. A100 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Textron Aviation Inc. A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Textron Aviation Inc. A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. A36TC ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. A56TC ([TCDS 3A16](https://openairdocs.org/tcds/3A16)) - Textron Aviation Inc. A99 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Textron Aviation Inc. A99A ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Textron Aviation Inc. B100 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Textron Aviation Inc. B200 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. B200C ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. B200CGT ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) - Textron Aviation Inc. B200CT ([TCDS A24CE](https://openairdocs.org/tcds/A24CE)) All 96: https://openairdocs.org/stc/SA04634NY/models.md ## 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. IMPORT SA04634NY Marsh Brothers Aviation Inc. 3225 Mainway Burlington, Ontario Canada L7M 1A6 Part 23 Title 14 Code of Federal Regulations * See attached FAA AML No. SA04634NY for applicable airworthiness regulations. Textron Aviation * See attached FAA AML No. SA04634NY 1. Modification of the Brake Master Cylinder must be in accordance with Marsh Brothers Aviation (MBA) Installation Instructions as listed on AML No. SA04634NY. 2. Definition of the Type Design Change is found in MBA Master Data List as listed on AML No. SA04634NY. 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. (Limitations and Conditions Continued on Page 3 of 3) January 18, 2021 May 17, 2021 Timothy J. Hadsall Acting Manager, New York ACO Branch Compliance & Airworthiness Division Aircraft Certification Service 3 **IMPORT SA04634NY SA04634NY 3** IMPORT SA04634NY Date of Issuance: May 17, 2021 2. The installer must determine whether this design change is compatible with previously approved modifications. 3. This STC is applicable to all serial numbers for this Make and Models. 4. A copy of this Certificate and FAA Approved Model List (AML) No. SA04634NY must be maintained as part of the permanent records for the modified aircraft. ----------END---------- 3 3 ### SA04634NY AML.pdf FAA APPROVED MODEL LIST (AML) No. SA04634NY MARSH BROTHERS AVIATION INC. FOR **BRAKE MASTER CYLINDER MODIFICATION** Page 1 of 2 Original Issue Date: May 17, 2021 **ITEM MAKE MODEL CERT BASIS TCDS REQUIRED DOCUMENTATION** **INSTALLATION** INSTRUCTIONS MASTER DATA LIST Aa AML **AMENDMENT DATE** Textron Aviation 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, 36, A36, A36TC, B36TC, E33, E33A, E33C, F33, F33A, F33C, G33, G36, H35, J35, K35, M35, N35, P35, S35, V35, V35A, V35B ** 3A15, Revision 98, October 12, 2016 Modification of the Brake Master Cylinder must be in accordance with Transport Canada Civil Aviation (TCCA) approved Marsh Brothers Aviation (MBA) Installation Instructions II-M20001-1, Revision N/C, TCCA approved January 18, 2021, or later TCCA approved revision. Definition of the Type Design Change: TCCA approved MBA Master Data List ML-20001, Revision N/C, TCCA approved January 18, 2021, or later TCCA approved revision. N/A 56TC, 58, 58A, 95, 95-55, 95-A55, 95-B55, 95- B55A, 95-B55B, 95-C55, 95-C55A, A56TC, B95, B95A, D55, D55A, D95A, E55, E55A, E95, G58 ** 3A16, Revision 94, October 31, 2017 65-90, 65-A90, C90, C90A, E90, H90, C90GT ** 3A20, Revision 82, September 5, 2019 35, 35R, A35, B35, C35, D35, E35, F35, G35 ** A-777, Revision 62, November 27, 2017 100, 99, 99A, A100, A99, A99A, B100, B99, C99 ** A14CE, Revision 41, November 27, 2017 FAA APPROVED MODEL LIST (AML) No. SA04634NY MARSH BROTHERS AVIATION INC. FOR **BRAKE MASTER CYLINDER MODIFICATION** Page 2 of 2 **ITEM MAKE MODEL CERT BASIS TCDS REQUIRED DOCUMENTATION** **INSTALLATION** **INSTRUCTIONS** **MASTER DATA LIST A AML** **AMENDMENT DATE 6** Textron Aviation 58P, 58PA, 58TC, 58TCA ** A23CE, Revision 17, October 12, 2016 M odification of the Brake Master Cylinder must be in accordance with Transport Canada Civil Aviation (TCCA) approved Marsh Brothers Aviation (MBA) Installation Instructions II-M20001-1, Revision N/C, TCCA approved January 18, 2021, o r later TCCA approved revision. D efinition of the Type Design Change: TCCA approved MBA Master Data List ML-20001, Revision N/C, TCCA approved January 18, 2021, or later TCCA approved revision. N/ A 7 200, 200C, 200CT, 200T, B200, B200C, B200CT, B200T, 1900, 1900C, 1900D, 300, 300LW, B200CGT, B200GT, B300, B300C ** A24CE, Revision 124, January 12, 2021 8 F90 ** A31CE, Revision 11, November 27, 2017 * *Certification Basis Based on title 14 Code of Federal Regulations (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 is as follows: a. The type certification basis as shown on applicable Type Certificate Data Sheets (TCDS) for parts not changed or not affected by the change. b. The type certification basis for parts changed or affected by the change on applicable TCDS with the following additional requirements: FAA APPROVED MODEL LIST (AML) No. SA04634NY MARSH BROTHERS AVIATION INC. FOR **BRAKE MASTER CYLINDER MODIFICATION** Page 3 of 2 **Certification Basis (Continued) • 14 CFR 23.301 at amendment 23-28 • 14 CFR 23.303 at amendment 23-0 • 14 CFR 23.305 at amendment 23-0 • 14 CFR 23.307 at amendment 23-0 • 14 CFR 23.601 at amendment 23-0 • 14 CFR 23.603 at amendment 23-23 • 14 CFR 23.605 at amendment 23-23 • 14 CFR 23.609 at amendment 23-0 • 14 CFR 23.613 at amendment 23-23 • 14 CFR 23.615 at amendment 23-7 • 14 CFR 23.735 at amendment 23-24 • 14 CFR 23.1301 at amendment 23-20 • 14 CFR 23.1309 at amendment 23-34 • 14 CFR 23.1435 at amendment 23-14 FAA Approved: Timothy J. Hadsall Acting Manager, New York ACO Branch Compliance & Airworthiness Division Aircraft Certification Service ## Every issue (1) - May 17, 2021: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ba/a2/baa22fb97344e1f9cc78b286eb18dced23b0c871ca11ca2872e7e85a0b088b47), [SA04634NY AML.pdf](https://openairdocs.org/files/sha256/ff/56/ff5643ad8dc701a72a26dbbaf2494ee63a5a56af79b8097b010f76f31f43c5be) --- 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.