# STC SA2-869

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Installation of propeller spinner with propeller hub 23E50.
- Applied: September 3, 1959
- 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/c7/c0/c7c0d993e8d212a91fefff03638e16d047ab057e0d98349485d8ddf850499568
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AC635AAF63398F0D85256CC10083D4EF.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-869

## 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 5A2-869 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 condition's therofor as specified hereon meet's the airoorthiness requirement's of Purt 9 of the CiViI Ai I Roegulations.

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

Model: PV-1 Description of Type Design Change:

Installation of propeller spinner with propeller hub 23E50 in accordance with Howard Aero, Inc. Drawing List No. SD603000-3B dated 3/16/63.

Duslen (Signature) Michele M. Owsley, Manager TOMINISTRATO Airplane Certification Office, Southwest Region (Title)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferce) (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/c7/c0/c7c0d993e8d212a91fefff03638e16d047ab057e0d98349485d8ddf850499568)

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