# STC SA743SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Clamp, flap actuating cylinder H500 P/N 5-104268-1.
- Applied: December 14, 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 LTC-13](https://openairdocs.org/tcds/LTC-13)
- Certificate PDF: https://openairdocs.org/files/sha256/75/9c/759ccb453e5ac32294339f3b9628d9d9c32b17148c5b4da2467fdef3310b8d5d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1368AD7465E84E5F85256CC20056A32A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA743SW

## ADs that name it (0)

None.

## Approved models (2)

- 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.

^Hmteh ^States ©f <Amtrtca :artttumi of tErattSfunriaium - Jlfeheral ^AMalum ^mmtalratum (tterttftcate SA743SW Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 Civil Air A1SW, LTC 13 Sierra Industries (Howard), Lockheed Aircraft Corp.

500, PV-1 Replacement of clamp, flap actuating cylinder H500 P/N 5-104268-1 according to Drawing 13-0766-013.

.- December 14, 1966 December 21, 1966

- December 01, 1999 (Signature) Michele M. Owsley, Manager Airplane Certification Office, Southwest Region (TVfte)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ^tP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) ( Cilr. Stnte. and ^IP rode I Extent of Authority (if licensing agreement):

Signature of grantor (In ink): __

## Every issue (1)

- December 1, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/75/9c/759ccb453e5ac32294339f3b9628d9d9c32b17148c5b4da2467fdef3310b8d5d)

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