# STC SA2-500

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Fuselage modification, including lengthening fuselage 72 inches
- Applied: April 10, 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/sha256/1a/91/1a91df50b7a9913f0b7f853dd3a1960c0d837afc415a8e08fd86af1fc7c4ff25
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8C37776425E17EDC85256CC10083D497.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-500

## ADs that name it (0)

None.

## Approved models (1)

- Air Trading Corporation Navy PV-2 ([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: SA2-500 This certificate issued to: Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 Part 9 of the Civil Ai I Foegulations.

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

Model: EV-2 Description of Type Design Change:

Fuselage modification, including lengthening fuselage 72 inches, per Howard Aero, Inc., Service Division, Drawing List in Report No. 26 as revised 11/21/58.

Data listed on the drawing list in Report No. 26 under optional installations are not part of this approval.

2. This modification is eligible on Lockheed PV-2, Serial Number 15-1478,' Registration Number N144X only.

Date of Application: Apri1 10, 1958 Date Reissued: December 01, 1999 Date of Issuance: July 07, 1950 Date Amended: May 8, 1967 Revision 2 FEDERAL AVIATION By Direction of the Administrator Michel MOwsten (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 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/sha256/1a/91/1a91df50b7a9913f0b7f853dd3a1960c0d837afc415a8e08fd86af1fc7c4ff25)

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