# STC ST09806SC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Gulfstream Aerospace Corporation, United States
- Description: S/N 021 ONLY: Installation of dual Honeywell (Allied Signal) GNS XLS Flight Management Systems.
- Applied: March 7, 2002
- Status date: June 19, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A16NM](https://openairdocs.org/tcds/A16NM)
- Certificate PDF: https://openairdocs.org/files/sha256/79/05/7905fe4d934a8b6955cf1691430b16dad81ef44059310babb2f45bcd135d8bef
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6B9353886BFCCDE48625732A00695760.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09806SC-D

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace LP 1125 Westwind Astra ([TCDS A16NM](https://openairdocs.org/tcds/A16NM))

## 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.

Part 25 of the Federal Aviation Regulations.

Installation of dual Honeywell (Allied Signal) GNS XLS Flight Management Systems in accordance with Index List CWB11188001, Rev. D, dated 06/18/02, or later FAA approved revision. FAA approved Flight Manual Supplement CWB1118M001, Rev. -, dated 06/19/02 or later FAA approved revision is required.

Descriptive data pertaining to this design change is considered inadequate for reproduction on other aircraft.

This approval is limited to the installation made in 1125 Westwind Astra S/N 021 only.

Gulfstream Aerospace Corporation 7440 Aviation Place Dallas, TX 75235 A16NM Make : Gulfstream Aerospace LP (Israel Aircraft Industries, LTD.)

Model : 1125 Westwind Astra

Date of application : March 7, 2002

Date of issuance : June 19, 2002

( Signature) David K. Neese DAS Administrator DAS-710555-SW

( Title)

## Every issue (1)

- June 19, 2002: Issued, Current. [certificate](https://openairdocs.org/files/sha256/79/05/7905fe4d934a8b6955cf1691430b16dad81ef44059310babb2f45bcd135d8bef)

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