# STC SA1968SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Installation of tail wheel tire 6.00 x 6, 8 PR Type III and wheel.
- Applied: February 27, 1975
- Status date: December 1, 1999
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-723](https://openairdocs.org/tcds/A-723)
- Certificate PDF: https://openairdocs.org/files/sha256/cb/6c/cb6cc4900960dc7bc384e2bcd38c10a4a30da058510f513f7cf46bc1c8a3e968
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/370BBA56B6EE113285256CC10083D376.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1968SW

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Martin Aeronautics Company 18 ([TCDS A-723](https://openairdocs.org/tcds/A-723))

## 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.

•IKmteb g>tsttt ©f .America epartment 0f ^transportation - ,3feheral (Eerttftcate SA19685W Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 4a/SR407 723 Lockheed Aircraft Corp.

L-18 i! Civil Air Installation of tail wheel tire 6.00 x 6, 8 PR Type III and wheel according to Drawing 1838-19, Revision A dated 4/2/75.

.• February 27, 1975 April 07, 1975 . December 1, 1999 t(Signature)Michele M. Owsley, Manager Airplane Certification Office, Southwest Region (TOtej

rhr FAA v,ill rt'issur rh(L ^rruhcalr in ihc ndiin7- ol the rransfpree and forward i| lo him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) {Nlfnbtt and itrerl f (CM), StaU, and ZIP tcdt) from (Name of grantor) (Print or type) (Address of grantor) (Numbri and sfreft) (Cily, SlaU. and ^IP rodr ) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**C FAA AC 69-5336**

## Every issue (1)

- December 1, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/cb/6c/cb6cc4900960dc7bc384e2bcd38c10a4a30da058510f513f7cf46bc1c8a3e968)

---
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.