# STC ST10475SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: West Star Aviation, United States
- Description: Upgrade of Honeywell Enhanced Ground Proximity Warning System to version 219-219 for activation of Runway Awareness and Advisory System (RAAS).
- Applied: May 20, 2004
- Status date: October 23, 2006
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- Certificate PDF: https://openairdocs.org/files/sha256/17/3e/173e24e33099b80b3cfe9e00a01e63d647c166986fc2b9e868566b6765ed184a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4A8496BB2F17DDA186257280006B4E4C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST10475SC

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream Aerospace Corporation GV ([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.

796 Heritage Way Grand Junction, CO 81506

Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number : A12EA Make : Gulfstream Aerospace Corp.

Upgrade of Honeywell Enhanced Ground Proximity Warning System to version –219-219 for activation of Runway Awareness and Advisory System (RAAS) in accordance with Master Data List MD-GV-3802-01, Revision B, dated November 01, 2005, or later FAA approved revision. Airplane Flight Manual Supplement FM-GV-3802-01, Revision IR, dated November 29, 2005, or later FAA approved revision is required.

The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Certification Basis:

The Certification Basis for this installation is per Type Certificate Data Sheet A21EA.

Date of application : May 20, 2004

Date of issuance : November 30, 2005 Date reissued : October 23, 2006

( Signature) S. Frances Cox, Manager Special Certification Office, Southwest Region

(Title)

## Every issue (2)

- October 23, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/17/3e/173e24e33099b80b3cfe9e00a01e63d647c166986fc2b9e868566b6765ed184a)
- November 30, 2005: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/81/e5/81e5765d8c137c5195b19fab3a11f7b7b46fc9640ed77e6897220311f69f2fd7)

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