# STC SA3984WE

- 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-211 Omega/VLF.
- Applied: April 13, 1979
- Status date: July 30, 2003
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/24/17/24173411a69086eecfffc5d73fa1825e5534f02b21cce419b46d3a7544543cc5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F5DC6ECECB0CF5F586257124007374ED.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3984WE

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company HS.125 Series 700A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## 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 *10 of the Civil Air Regulations. *(See Type Certificate Sheet A3EU dated May 20, 1977.)

A3EU Hawker Siddeley Aviation Ltd.

HS 125-700A Description of Type Design Change: Installation of dual Litton LTN-211 ONS in accordance with FAA sealed Western Commander, Master Drawing List No. 06000005, Rev. “A”, or later FAA sealed revision.

Western Commander Airplane Flight Manual Supplement for Hawker Siddeley Model HS 125-700A, Document No. 06015002, FAA approved on July 10, 1979, or later FAA approved revision is required as part of this modification.

Limitations and Conditions: This approval of change in type design applies basically to Hawker Siddeley Model HS 125-700A 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 : April 13, 1979

Date of issuance : July 11, 1979

Date reissued : December 20, 1994, July 30, 2003

( 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/sha256/24/17/24173411a69086eecfffc5d73fa1825e5534f02b21cce419b46d3a7544543cc5)

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