# STC SA738SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Installation of elevator torque tube flange.
- Applied: November 25, 1966
- Status date: December 1, 1999
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1SW](https://openairdocs.org/tcds/A1SW), [TCDS A-723](https://openairdocs.org/tcds/A-723), [TCDS LTC-13](https://openairdocs.org/tcds/LTC-13)
- Certificate PDF: https://openairdocs.org/files/sha256/a5/14/a5143075ba67e95e417d0ccbe0a966aac2171cb4045c299790663e10c88cf145
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B363DD24336A71DA85256CC20056A2EE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA738SW

## ADs that name it (0)

None.

## Approved models (3)

- Lockheed Aircraft Corporation Lockheed 18 ([TCDS A-723](https://openairdocs.org/tcds/A-723))
- Lockheed Aircraft Corporation Navy PV-1 ([TCDS LTC-13](https://openairdocs.org/tcds/LTC-13))
- The Dee Howard Company 500 ([TCDS A1SW](https://openairdocs.org/tcds/A1SW))

## 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.

JHrttteb ^tates 0f "(Eranaportaltoit - JJfcberal (A&taiton JVomtmsiraium uppkmental GltviiiitvAt SA738SW Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 4a, 4b, 9 Civil Air A1SW, LTC 13, 723 Sierra (Howard), Lockheed Aircraft Corp.

CflA DAT—I T 1 QOUU, rv -L, i-i—Xo Installation of Elevator Torque Tube Flange according to Drawing 13-0766-008 Revision B.

.• November 25, 1966 December 09, 1966 . December 1, 1999 May 16, 1967 Revision 1 (Signature) Michele M. Owsley, Manager Airplane Certification Office, Southwest Region (Title) *\

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, Stale, and ^1P code) from (Name of grantor) (Print or type) (Address of grantor) {.Wttmhfr and street) ( Ci/i'. Stale, and -~7f rode) Extent of Authority (if licensing agreement): _ Date of Transfer:.

Signature of grantor (In ink):

## Every issue (1)

- December 1, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a5/14/a5143075ba67e95e417d0ccbe0a966aac2171cb4045c299790663e10c88cf145)

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