# STC ST09970SC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Gulfstream, dba General Dynamics Aviation Services, United States
- Description: Installation of Honeywell MK VIII Enhanced Ground Proximity Warning System.
- Applied: October 15, 2000
- Status date: December 17, 2001
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- Certificate PDF: https://openairdocs.org/files/sha256/8d/0c/8d0c1b788088ca676e7676c9633f37bf87a864ddb189b5ad5c6456a53450a2aa
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/38461A4699BBB8E285256CC300035EEE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09970SC

## ADs that name it (0)

None.

## Approved models (3)

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

J3mtei» ^Stales ffif jAmzrica ai '9Ira«ap0rtatt0n - .Sfeircral Jkfrtation ^frmmtsiiratttftt OlerttficateProject No. ST6510SC-T (JRS) ST09970SC Gulfstream dba General Dynamics Aviation Services 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Civil A12EA Gulfstream Aerospace Corp.

G-1159;G-1159A;G-1159B Installation of the Honeywell, MK VIII, Enhanced Ground Proximity Warning System in accordance with General Dynamics Aviation Services' Master Document List 3861095-DL-001, Revision C, dated January 29, 2002, or later FAA approved revision. FAA approved Flight Manual Supplement dated December 17, 2001, or later FAA approved revision is required Compatibility of this design change with previously approved modifications must be determined by the installer. 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.

em. October 15, 2000 . December 17, 2001 Manager, Special -Certification Office Southwest Region (Title)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number_ to (Name of transferee) (Address of transferee) (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number C street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink)

## Every issue (1)

- December 17, 2001: Issued, Current. [certificate](https://openairdocs.org/files/sha256/8d/0c/8d0c1b788088ca676e7676c9633f37bf87a864ddb189b5ad5c6456a53450a2aa)

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