# STC SA2-480

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries, Inc, United States
- Description: Installation of Pratt & Whitney R2800-83AM10 engines, Hamilton Standard 23E-50/6801-54S propellers and cowling modifications.
- Applied: January 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/sha256/88/0c/880c87261b0e6fd192370b6fe5b1a9bca838d7fff5906b755179d4982ab63ebb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F5D42B27A3EC38E385256CC10083D491.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-480

## 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.

JSmtei* Stales <@f ,&mrrirs department of ^transportation - ^eoeral JV&iatiort ^bmmistration (Eerttftc&te SA2-480 Sierra Industries, Inc., a Texas Corporation Garner Field Road Uvalde, TX 78801 C i VI1 Ai JT LTC-13 Lockheed Aircraft Corp.

,M<H&f, pv-l Installation of Pratt fi Whitney R2800-83AM10 engines, Hamilton Standard 23E-50/6801-54S propellers and cowling modifications in accordance with data listed in Howard Aero, Inc. Drawing No. 1365 dated 3/3/58 anci Report No. 19 dated 3/4/59.

Howard Aero, Inc. FAA. Approved Airplane Flight Manual Supplement dated 4/3/58 required.

This modification eligible on Lockheed Model PV-1, Serial Number 5333, Registration Nuinber N44R only.

.- Janua ry 18, 1958 March 27, 1958 December 1, 1999 May 8, 1967 Revision 3 J^kkAia^' ~ (Signature) I Michele M. Owsley, Manager \ Airplane Certification Office, Southwest Region (Title} An/ alteration njf this certificate Jj punJ by a fine of not ing SI, 000, or laipilsonpient not exceeding 3 years, oc both.

FAA Fotn $110-2(10-68) Page 1 of ? uwy be A ferred In with FAR

I NS I RUCTIONS' '1 he transfer endorsement below may he used to notify the appropriate FA A Regional Office of ihe transfer of this .Supplemental Type CeriilH ,itc.

The I1 A A will reissue I he ( erli Incite in I he name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number an/I ifrfet} from (Name of grantor) (Print or tj/pt).

(Address of grantor) (Nutnbn and It'trt) (City, Statt, and ZIP codr) Extent of Authority (if licensing agreement):

Date of Transfer: __ Signature of grantor (In ink):

**C FAA AC 6S.5S36**

## Every issue (1)

- December 1, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/88/0c/880c87261b0e6fd192370b6fe5b1a9bca838d7fff5906b755179d4982ab63ebb)

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