# STC SA2-1086

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Installation of flap system
- Applied: November 22, 1960
- 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/ec/84/ec841b26bf25285f80a1f702c87d8d02aff8858e8cfce94989ec0d481e0079b6
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F7729C3461E139A385256CC10083D419.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-1086

## 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: SA2-1086 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 meet's the aimoorthiness requirement's of Part 9 of the Civi1 Air Roegulations.

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

Model: PV- 1 Description of Type Design Change:

Installation of flap system in accordance with Swearingen Company Drawing List No. 701-DL Change B dated 11/15/60.

1. Howard Aero, Inc. FAA Approved Airplane Flight Manual Supplement dated 6/27/62 required.

2. This modification is eligible on Lockheed Model PV-1, Serial No. 6442, registration No. N435T only.

3. STC SA2-1098 flap control system is required.

Date of Application: November 22, 1960 Date Reissued: December 1, 1999 Date of Issuance: June 27, 1962 Date Amended: May 8, 1967 Revision 2 FEDERAL AVIATION By Direction of the Administrator Wichile MOwsten (Signature) Michele M. Owsley, Manager TOMINISTRATO Airplane Certification Office, Southwest Region (Title)

FAA Form B110-2(10-68) Page I 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):

**FAA AC 69-5536**

## Every issue (1)

- December 1, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ec/84/ec841b26bf25285f80a1f702c87d8d02aff8858e8cfce94989ec0d481e0079b6)

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