# STC SA4-45 - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Robert West, United States - Description: Engine mount for Continental W670 engine. - Applied: April 23, 1956 - Status date: May 12, 2021 - Product: Aircraft, Small Airplane - Certification basis: Part 21 - Data sheets: [TCDS A-707](https://openairdocs.org/tcds/A-707) - Certificate PDF: https://openairdocs.org/files/sha256/3f/a4/3fa4d6b438a70fa1dd5f0df49913e82b776fbc74ef2f7d89cec05eb47e94b845 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/79529607708FA2F9862586E8004818A6.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA4-45 ## ADs that name it (0) None. ## Approved models (10) - Fairchild Personal Planes Division Fairchild Engine and Airplane Corp. 24W-40 (Army UC-61G) ([TCDS A-707](https://openairdocs.org/tcds/A-707)) - Fairchild Personal Planes Division Fairchild Engine and Airplane Corp. 24W-40S ([TCDS A-707](https://openairdocs.org/tcds/A-707)) - Fairchild Personal Planes Division Fairchild Engine and Airplane Corp. 24W-41 (Army UC-61) ([TCDS A-707](https://openairdocs.org/tcds/A-707)) - Fairchild Personal Planes Division Fairchild Engine and Airplane Corp. 24W-41A (Army UC-61A) ([TCDS A-707](https://openairdocs.org/tcds/A-707)) - Fairchild Personal Planes Division Fairchild Engine and Airplane Corp. 24W-41AS ([TCDS A-707](https://openairdocs.org/tcds/A-707)) - Fairchild Personal Planes Division Fairchild Engine and Airplane Corp. 24W-41S ([TCDS A-707](https://openairdocs.org/tcds/A-707)) - Fairchild Personal Planes Division Fairchild Engine and Airplane Corp. 24W-46 ([TCDS A-707](https://openairdocs.org/tcds/A-707)) - Fairchild Personal Planes Division Fairchild Engine and Airplane Corp. 24W-46S ([TCDS A-707](https://openairdocs.org/tcds/A-707)) - Fairchild Personal Planes Division Fairchild Engine and Airplane Corp. 24W-9 (Army UC-61F) ([TCDS A-707](https://openairdocs.org/tcds/A-707)) - Fairchild Personal Planes Division Fairchild Engine and Airplane Corp. 24W-9S ([TCDS A-707](https://openairdocs.org/tcds/A-707)) ## 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 AviationAdministration Supplemental Type Certificate FAA Form 8110-2 (03/21) Page 1 of 2 Number SA4-45 This certificate issued to: Robert West 19213 Triple Crown Drive Abingdon, Virginia 24211 3 of the Civil Air Regulations.. Original Product – Type Certificate Number: 707 Make:Fairchild Model: W24 Description of Type Design Change: Engine mount made as per Serv-Aero Engineering Inc. drawing No. 1027 for the installation of a Continental W670 hp engine in the Fairchild 24 aircraft. Limitations and Conditions: This installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft. A copy of this STC must be included in the permanent records of the modified 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. Date of Application: April 23, 1956 Date Reissued: May 12, 2021 Date of Issuance: May 9, 1956 Date Amended: Title: Manager, Technical & Administrative Support Staff Aviation Safety Los Angeles ACO Branch United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate FAA Form 8110-2 (03/21) Page 2 of 2 Number: SA4-45 ## Every issue (1) - May 12, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3f/a4/3fa4d6b438a70fa1dd5f0df49913e82b776fbc74ef2f7d89cec05eb47e94b845) --- 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.