# STC SA1904WE - Type: Supplemental type certificate - Status: Current, Amended - Holder: FTG, Inc., United States - Description: Installation of Vibration Isolation Products (VIP) engine mount P/N VIP-50804-10 on various aircraft as shown on FAA Approved Model List (AML) No. SA1904WE. - Applied: December 11, 1968 - Status date: January 3, 2023 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 13, Part 21 - Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1), [TCDS 5A4](https://openairdocs.org/tcds/5A4), [TCDS A-734](https://openairdocs.org/tcds/A-734) - Certificate PDF: https://openairdocs.org/files/sha256/24/5f/245fb09ceaaf8b1bd3ee5c7fea5d4942b27e37685ab3cb7f88e23eb803221474 - Approved model list and other attachments: [SA1904WE AML.pdf](https://openairdocs.org/files/sha256/32/10/321045dda893b92260433fd81eb3b0816017844835334a9f71d5a0a57797fee0) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135842338120230111141841.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA1904WE ## ADs that name it (0) None. ## Approved models (11) - Frakes Aviation G-44 ([TCDS A-734](https://openairdocs.org/tcds/A-734)) - Frakes Aviation G-44A ([TCDS A-734](https://openairdocs.org/tcds/A-734)) - Frakes Aviation SCAN Type 30 ([TCDS A-734](https://openairdocs.org/tcds/A-734)) - Textron Aviation Inc. B50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Textron Aviation Inc. C50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Textron Aviation Inc. D50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Textron Aviation Inc. D50A ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Textron Aviation Inc. D50B ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Textron Aviation Inc. D50C ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Textron Aviation Inc. D50E ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Twin Commander Aircraft Corporation 520 ([TCDS 6A1](https://openairdocs.org/tcds/6A1)) ## 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. United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number: SA1904WE FAA Form 8110-2 (4/22) SUPERSEDES PREVIOUS EDITION Page 1 of 2 Part 13 of the Federal Aviation Regulations. Description of Type Design Change: Installation of Vibration Isolation Products (VIP) engine mount PIN VIP-50804-10 on various aircraft as shown on FAA Approved Model List (AML) No. SA1904WE. Limitations and Conditions: Approval of this change in type design applies to those aircraft listed on the FAA Approved Model List No. SA1904WE. This approval should not be extended to other aircraft of these models on which other previously modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect on the airworthiness of those aircraft. 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. This certificate issued to: FTG, Inc. 12750 Center Court Drive S Suite 280 Cerritos, CA 90703 Original Product Type Certificate Number: *See attached FAA Approved Model List (AML) No. SA1904WE for list applicable aircraft make, models, and applicable airworthiness regulations. Date of Application: December 11, 1968 Date Reissued: Aug.15,1986; Sept.16,1986; May 13, 2022 Date of Issuance: March 13, 1969 Date Amended: October 17, 2002 By Direction of the Administrator Signature: Title: Aviation Safety Manager, Technical & Administrative Support Section, Los Angeles ACO Branch United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number: SA1904WE FAA Form 8110-2 (4/22) SUPERSEDES PREVIOUS EDITION Page 2 of 2 ### SA1904WE AML.pdf **FAA APPROVED MODEL LIST (AML) NO. SA1904WE** **VIBRATION ISOLATION PRODUCTS CORPORATION FOR** **INSTALLATION OF AN ENGINE VIBRATION ISOLATION SYSTEM** Issue Date: March 13, 1969 ITEM **ENGINE MOUNT** **PART NUMBER** **TOP DRAWNING** **AIRCRAFT MAKE** **AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER CERT.** **BASIS** **AML AMENDMENT** **DATE NUMBER** REVISION & DATE 1 VIP-50804-10 VIP-50804-10 3/12/69 Aero Commander 520 6A1 CAR 13 2 VIP-50804-10 VIP-50804-10 3/12/69 Grumman G44, G44A, SCAN 30 734 CAR 13 3 VIP-50804-10 VIP-50804-10 B, 6/5/00 Beech B50, C50, D50, D50A, D50B, D50C, D50E 5A4 CAR 13 10/17/02 ---------- END OF DATA ---------- Approved: Haifa Haj-Eid Manager, Technical & Administrative Support Section Date: January 3, 2023 ## Every issue (2) - January 3, 2023: Amended, Current. [certificate](https://openairdocs.org/files/sha256/24/5f/245fb09ceaaf8b1bd3ee5c7fea5d4942b27e37685ab3cb7f88e23eb803221474), [SA1904WE AML.pdf](https://openairdocs.org/files/sha256/32/10/321045dda893b92260433fd81eb3b0816017844835334a9f71d5a0a57797fee0) - October 17, 2002: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/da/62/da62ba0d2d7ade736d7e98fc0eeddf6b9c876b7e5e885d9539376603a9abde6a), [SA1904WE-AML.pdf](https://openairdocs.org/files/sha256/3a/24/3a2411e1cadb69af76028133dc0a5dfc29f9036b87c42e3165ca0ca8c8806620) --- 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.