# STC SA4339WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: GE Engine Services-Corporate Aviation Inc.
DBA Garrett Aviation Services, United States
- Description: Installation of dual Litton LTN-72RL INS and optional installation of Global NDB-2 navigation data bank.
- Applied: March 5, 1981
- Status date: July 30, 2003
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- Certificate PDF: https://openairdocs.org/files/sha256/7d/ac/7dac13f2baf12ecd58043e0fb75c83591adec821e10434007e6357c22e11304a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/59F572974C41D09B862571260054C6E6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4339WE

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace Corporation G-1159A ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))

## 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.

This Certificate issued to GE ENGINE SERVICES-CORPORATE AVIATION, INC.

DBA GARRETT AVIATION SERVICES 6201 WEST IMPERIAL HIGHWAY LOS ANGELES, CALIFORNIA 90045 Part *25 of the Federal Aviation Regulations. *(For Certification basis see Type Certificate Data Sheet A12EA) Original Product Type Certificate Number :

A12EA Gulfstream American G-1159A Description of Type Design Change: Installation of dual Litton LTN-72R INS and optional installation of Global NDB-2 Navigation Data Bank in accordance with FAA sealed Western Commander Top Drawing No. 07000006, Revision C, or later FAA sealed revision.

Western Commander, Airplane Flight Manual Supplement, Document No. 07015002, FAA approved on May 29, 1981, or later FAA approved revision is required as part of this modification.

Limitations and Conditions: The approval of change in type design applies basically to Gulfstream American Model G-1159A airplanes only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : March 5, 1981

Date of issuance : June 4, 1981

Date reissued : Jan. 14, 1982, Dec. 20, 1994, July 30, 2003

Date amended : February 14, 1983

( Signature) Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title)

## Every issue (1)

- July 30, 2003: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7d/ac/7dac13f2baf12ecd58043e0fb75c83591adec821e10434007e6357c22e11304a)

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