# STC ST10046SC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Gulfstream Aerospace Corporation, United States
- Description: S/Ns 088 and up ONLY: Installation of second Collins Proline 21 Automatic Direction Finder (ADF) System.
- Applied: April 22, 2004
- Status date: July 7, 2004
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A53NM](https://openairdocs.org/tcds/A53NM)
- Certificate PDF: https://openairdocs.org/files/sha256/4a/f8/4af8de7a1c188346dc79e3b8a90ed038ac32ce37f275fcf4fa571fb229090394
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3B499870893FFFA38625733000651182.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST10046SC-D

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace LP Gulfstream 200 ([TCDS A53NM](https://openairdocs.org/tcds/A53NM))

## 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 second Collins Proline 21 Automatic Direction Finder (ADF) System in accordance with Index List GA212148000, Rev. B, dated 07/07/04, or later FAA approved revision. FAA approved Flight Manual Supplement GA21214M000, Rev. “None”, dated 07/07/04 or later FAA approved revision is required.

The compatibility of this design change with previously approved modifications must be determined by the installer. This modification is eligible for installation on airplane serial numbers 088 and higher when equipped with Collins Proline 21 avionics. If the holder agrees to permit another person to use the certificate to alter the product, the holder shall give the other person written evidence of that permission.

Gulfstream Aerospace Corporation 7440 Aviation Place Dallas, TX 75235 A53NM Make : Gulfstream Aerospace LP (Israel Aircraft Industries LTD.)

Model : Gulfstream 200

Date of application : April 22, 2004

Date of issuance : July 7, 2004

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

( Title)

## Every issue (1)

- July 7, 2004: Issued, Current. [certificate](https://openairdocs.org/files/sha256/4a/f8/4af8de7a1c188346dc79e3b8a90ed038ac32ce37f275fcf4fa571fb229090394)

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