# STC ST10055SC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Gulfstream Aerospace Corporation, United States
- Description: Installation of a modification to the existing dual Honeywell MST-67A Mode S Transponder Systems to incorporate the Elementary Surveillance (Flight ID) function.
- Applied: July 27, 2004
- Status date: August 27, 2004
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A46EU](https://openairdocs.org/tcds/A46EU)
- Certificate PDF: https://openairdocs.org/files/sha256/6c/0f/6c0f3dd874bbb2ecfd62b64a5911b99f4ea67980bd4adc8fa31df1f4a685e548
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E2AFEFC4ED1BF1298625733000680F28.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST10055SC-D

## ADs that name it (0)

None.

## Approved models (1)

- Dassault-Aviation Mystere-Falcon 50 ([TCDS A46EU](https://openairdocs.org/tcds/A46EU))

## 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 a modification to the existing dual Honeywell MST-67A Mode S Transponder Systems to incorporate the Elementary Surveillance (Flight ID) function in accordance with Index List CFC11268000, Rev. A, dated 08/27/2004, or later FAA approved revision. FAA approved Flight Manual Supplement CFC 1126M000, Rev. None, dated 08/27/2004 or later FAA approved revision is required.

The 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 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 A46EU Make : Dassault-Aviation Model : Mystere-Falcon 50

Date of application: July 27, 2004

Date of issuance: August 27, 2004

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

( Title)

## Every issue (1)

- August 27, 2004: Issued, Current. [certificate](https://openairdocs.org/files/sha256/6c/0f/6c0f3dd874bbb2ecfd62b64a5911b99f4ea67980bd4adc8fa31df1f4a685e548)

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