# STC SA2127SW-AC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: FAA Aviation System Standards AVN-300, United States
- Description: Installation of Allied Signal/Sundstrand Mark-V Digital Ground Proximity Warning System.
- Status date: July 17, 1996
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A24CE](https://openairdocs.org/tcds/A24CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A129989B7B5B5FB985256CC2000159F2.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2127SW-AC

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company 300 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))

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