# STC SA9071AC-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: FAA Aviation System Standards AVN-300, United States
- Description: Installation of AlliedSignal/Mark VII Ground Proximity Warning System with integration into required aircraft/avionics systems.
- Status date: August 11, 1998
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0CA8FF55564C679785256CC20058EA1F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA9071AC-D

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company C90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))

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