# STC SA4-1235 - Type: Supplemental type certificate - Status: Current, Reissued - Holder: General Aviation Modifications Inc., United States - Description: Installation of 15-gallon wing tip fuel tanks. - Applied: February 21, 1960 - Status date: February 7, 2020 - Product: Aircraft, Single-Engine - Certification basis: Part 21 - Data sheets: [TCDS 1A15](https://openairdocs.org/tcds/1A15) - Certificate PDF: https://openairdocs.org/files/sha256/c4/36/c436047cbb8153dbf8f217c51e70fc47ee1262883b4059ae4064cfec0a5603cb - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7B210CDD54C414608625854500782183.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA4-1235 ## ADs that name it (1) - [AD 61-16-06](https://openairdocs.org/ad/61-16-06): Fuel Selector Valve Handles ยท Piper PA-24 and PA-24-250 with STC SA4-1235 or SA4-1351. Effective Aug 31, 1961. Named in the applicability ## Approved models (2) - The New Piper Aircraft Inc. PA-24-250 ([TCDS 1A15](https://openairdocs.org/tcds/1A15)) - The New Piper Aircraft Inc. PA-24-260 ([TCDS 1A15](https://openairdocs.org/tcds/1A15)) ## 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. Part 3 of the Federal Aviation R egulations. (See Type Certificate Data Sheet No. 1A15 for complete certification basis). Original Product --Type Certificate N umber : Installation of 15 gallon wing tip fuel tanks per J.L. Osborne Installation Manual TT4, Revision C, Dated July 3, 2016, or later FAA approved revision. 1. The installer must determine whether this design change is compatible with previously approved modifications. 2. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission. 3. A copy of this certificate or later FAA approved revision must be maintained as part of the permanent records for the modified aircraft. 4. For required Flight Manual Supplement see J.L. Osborne 4009-AFMS, Revision Original, Dated August 22, 2016, or later FAA approved revision. General Aviation Modifications, Inc. 2800 Airport Road Ada, OK 74820 1A15 M ake : Piper M odel : PA-24-250, PA-24-260, PA-24-400 Date reissued : 11/10/1969; 08/17/1987; 02/02/1971; 02/07/2020 Date amended : 07/10/1961; 10/22/1964; 12/19/1968; 03/01/2016; 02/08/2017 B y direction of the A dministrator (Signature) Monica Nemecek Manager, Airframe & Administrative Section Chicago ACO Branch (Title) Date of application : February 21, 1960 Date of issuance : August 1, 1960 FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print of type) (Address of grantor) (Number and street) (City, State, and ZIP code) ## Every issue (3) - February 7, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c4/36/c436047cbb8153dbf8f217c51e70fc47ee1262883b4059ae4064cfec0a5603cb) - February 8, 2017: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/3a/04/3a0485bc38e0e184e3fef0d21d90867934b26bd4a9ee7fd972c096ecd1fef077) - March 1, 2016: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/28/bc/28bc6164446e16cafd66af39da7b2907a88bfb2f88002854fb63fec861a0ed20) --- 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.