# STC SA4-813

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Curtis Aviation Co., United States
- Description: Removal of original 12 gallon fuel tank and related parts from fuselage.  Limited to installation on serial number 19952 ONLY.
- Applied: December 20, 1957
- Status date: April 30, 1959
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-691](https://openairdocs.org/tcds/A-691)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/54B3CC3D9F79799B86256F3900503571.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-813

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2)) ([TCDS A-691](https://openairdocs.org/tcds/A-691))

---
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.