# STC SA2-443

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Modification of brake system by installing Goodyear 9541104 brakes, Goodyear 9541344 wheels, and Howard Aero, Inc. P-2953-0 hydraulic brake pressure booster.
- Applied: February 26, 1958
- Status date: December 1, 1999
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS LTC AL-13](https://openairdocs.org/tcds/LTC%20AL-13)
- Certificate PDF: https://openairdocs.org/files/sha256/48/2e/482ec79a353edf19fc2a896ca57794a417b7329848e85134262ff2560f5e4ae4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/09B90E4847E72EB185256CC10083D48A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-443

## ADs that name it (0)

None.

## Approved models (2)

- Air Trading Corporation Navy PV-1 ([TCDS LTC AL-13](https://openairdocs.org/tcds/LTC%20AL-13))
- Air Trading Corporation Navy PV-2 ([TCDS LTC AL-13](https://openairdocs.org/tcds/LTC%20AL-13))

## 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.

•Hmttfc ^tates Department 0£ 'lUranspirrtalton - Jlfeheral .Afriatum upptemmtal QLerttftcate SA2-443 Sierra Industries, Inc., a Texas" Corporation Garner Field Road Uvalde, TX 78801 9 ty£*e Civil Air LTC 13 Lockheed Aircraft Corp.

fyyie Modification of brake system by installing Goodyear 9541104 brakes, Goodyear 9541344 wheels, and Howard Aero, Inc. P-2953-0 hydraulic brake pressure booster in accordance with Howard Aero, Inc. Drawing List dated 3/18/59, or Goodyear six spot brake system in accordance with Howard Aero, Inc. Drawing List SD403000-2A dated 8/17/62.

.- February 26, 1958 February 26, 1958 December 01, 1999 .- May 8, 1967 Revision 7 Michele M. Owsley, Manager Airplane Certification Office, Southwest Region (Site)

FM Form 8110-2(10-6B) Page 1 of 2 Tflis certificate mjy ie rranifeired in accordance wlCn.FAR 21.«7.

INSTRUCTIONS The iransfcr endorsement below may be used to notify the appropriate FAA Regional Office of [he transfer cif this Supplemental T\pr Certitiraie.

The FAA will rnssur the rrrlififalc in the name of the transferee and lorward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number ty (Name of transferee) (Address of transferee) (Number and ifrfffj /'City, Slatt. a from (JVamf of grantor) (Print or type) (Address of grantor) ( Number aid itrttt} (City, Statt, and Z.IP iodf!

Dale of Transfer:.

Signature of grantor (In ink):

**C FAA AC BU-5S38**

## Every issue (1)

- December 1, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/48/2e/482ec79a353edf19fc2a896ca57794a417b7329848e85134262ff2560f5e4ae4)

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