# STC SA2-583

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Installation of emergency hydraulic system.
- Applied: December 18, 1958
- 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/sha256/83/ae/83ae2f6a5ef612452e550b5fa3bede161a9fb482fcfbb7ef2d5f5dd2d92bf7b0
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FE17A3FF267CDBB385256CC10083D4B2.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-583

## 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.

of "Cftraiispnrlaiton - JkHalton Certificate SA2-583 Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 S&pra&*&Vtf&v& LTC-13 Lockheed Aircraft Corp.

PV-1 Civil Air Installation of emergency hydraulic system in accordance with Howard Aero, Inc.

Drawing List dated 3/18/59 and parts list dated 6/2B/58.

Howard Aero, Inc. FAA Approved Airplane Flight Manual Supplement dated 1/25/60 required.

Also eligible on Lockheed Super Ventura.

.• December 18, 1958 December 18, 1958 .• December 1, 1999 May 8, 1967 Revision 4 Michele M. Owsley, Manager Airplane Certification Office, Southwest Region Any oir of this certificate is punishable by d fine of not exceeding $1,000, OE Imprisonment not exceeding 5 years, or both, FAA Form 8110-2(10-68) Page 1 of 2

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number .

lo (Name of transferee) (Address oj transferee) —————————————————————— umbf and ftrrel) fClljr, Stall, and ^JP toil) from (Name nf grantor) (Print or type) (Address of grantor) (Numbf and strfft} I City, Stall, ami yP tad') Extent of Authority (if licensing agreement):.

Signature of grantor (In ink):

**C FAA AC 69-5538**

## Every issue (1)

- December 1, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/83/ae/83ae2f6a5ef612452e550b5fa3bede161a9fb482fcfbb7ef2d5f5dd2d92bf7b0)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.