# STC ST09747SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Gulfstream Aerospace Corporation, United States
- Description: Installation of a No. 2 AlliedSignal KHF-950 High Frequency (HF) Communication System.
- Applied: November 22, 1999
- Status date: July 2, 2002
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A53NM](https://openairdocs.org/tcds/A53NM)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/515AA628041FEA1386256D2C005F342E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST09747SC

## ADs that name it (0)

None.

## Approved models (2)

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

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