# STC SA4340SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Texas ExplorAire, Inc, United States
- Description: Installation of engine ring cowl.
- Applied: January 4, 1981
- Status date: December 28, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A4SW](https://openairdocs.org/tcds/A4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/77/f6/77f6347fc6b9db67d778f639471fe50dbb1f0737331b60463d7115c8c3b5f1ed
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5E45C73939F1939886257E00005B0643.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4340SW

## ADs that name it (0)

None.

## Approved models (1)

- Thrush Aircraft Inc. S2R ([TCDS A4SW](https://openairdocs.org/tcds/A4SW))

## 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 amrrica ©epartment of transportation— federal action administration Supplemental t^pe Certificate <yf4vrrvv€w SA4340SW Texas ExplorAire, Inc.

3705 40th Street Lubbock, Texas 79413 ^^^-*^^^ A4SW . Ayres /na^ :

Installation of engine ring cowl according to Installation Instructions dated 2/5/81 and Drawing Number SA-OQ50 dated 3/17/81.

Compatibility of tHs modification with other previously approved modifications must be determined by the installer.

^,<^^ January 4, 1981 May 13, 1981 ;wS^Fl°*^'ST?i ~«M«"/8/27/82; 12/28/83 Revisions 2 Manager, Aircraft Certification Division c° (Till,)

**FAAFOIM81 10-2(10-68)**

## Every issue (1)

- December 28, 1983: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/77/f6/77f6347fc6b9db67d778f639471fe50dbb1f0737331b60463d7115c8c3b5f1ed)

---
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.
