# STC SA2-801

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Increase landing gear extension speed when doublers for landing gear door are installed
- Applied: August 28, 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/sha256/05/56/05560307ae655f5e0982fcf3caf68c4e3304571715c9b3a47af740379dc22def
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/64823FF1346D6EF285256CC10083D4E2.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-801

## 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

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number 5A2-801 This certificate issued to: Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airvorthiness requirement's of Part 9 of the CiViI Ai I Foegulations.

Original Product Typo Certificate Number : LTC 13 Make: Lockheed Aircraft Corp.

Model: PV-1 Description of Type Design Change:

Increase landing gear extension speed when doublers for landing gear door are installed per Howard Aero, Inc. Drawing No. P-2889-0 dated 8/15/57.

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

2. If this modification is installed on Lockheed PV-1 aircraft a Supplement to the Army Tech Order must be prepared and submitted to the Aircraft Engineering Division of the FAA for approval.

Date of Application: August 28, 1958 Date Reissued: December 1, 1999 Date of Issuance: February 04, 1960 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Michel: MOwsle (Signature) Michele M. Owsley, Manager TOMINISTRATOS Airplane Certification Office, Southwest Region (Title)

FAA Form B110-2(10-68) Page 1 of 2

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number 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 and street) (City. State, and ZIP code) Extent of Authority (if licensing agreement): - Date of Transfer:.

Signature of grantor (In ink): - C FAA AC 69-5536

## Every issue (1)

- December 1, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/05/56/05560307ae655f5e0982fcf3caf68c4e3304571715c9b3a47af740379dc22def)

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