# STC SA228SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Installation of underwing exhaust system
- Applied: May 4, 1963
- Status date: December 1, 1999
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS LTC AL-13](https://openairdocs.org/tcds/LTC%20AL-13)
- Certificate PDF: https://openairdocs.org/files/sha256/2e/b8/2eb8eecba6c92fff676d23978d8bbbfafcbb809c84807015d0870cad8c6ba24d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/55F840623981CE2685256CC200015C22.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA228SW

## ADs that name it (0)

None.

## Approved models (1)

- Air Trading Corporation Navy PV-1 ([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.

JtCniteb JStatt* ®f <America department of "iJlranspartatHm - ^Ifcberal Certificate SA228SW Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX "78801 OMX& Me- ^ 9 ^MK Civil Air LTC 13 - .

Lockheed Aircraft Corp.

PV-1 Installation of underwing exhaust system on Super Ventura and PV-1 aircraft in accordance with Drawing List 3D606000-1C dated April 28, 1965.

04, 1963 14, 1963 .-December 01, 1999 , May 8, 1967 Revision 2 (Signature) Michele M. Owsley, Manager Airplane Certification Office, Southwest Region (TViM Any jJtejat-lon of this certificate is punishable by a fine of not exceeding SI,000, or inyjrisonofent not exceeding 3 years, or both.

FA* Focn 6110-2(10-69) Page 1 of 2 This certificate njy be transferred in accordance with FAR 21.47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Nu»ber_ to (Name of transferee^ (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor)(Print or type) (Address of grantor) (Number 6 street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink)

## Every issue (1)

- December 1, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2e/b8/2eb8eecba6c92fff676d23978d8bbbfafcbb809c84807015d0870cad8c6ba24d)

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