# STC ST00255NY-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Delta Engineering, United States
- Description: Installation of AlliedSignal General Aviation Avionics Mark VI ground proximity warning system.
- Status date: February 14, 1995
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A2SW](https://openairdocs.org/tcds/A2SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D7C0D8C2F1EB5D3885256CC2006A71D8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00255NY-D

## ADs that name it (0)

None.

## Approved models (1)

- Israel Aircraft Industries Ltd. 1124A ([TCDS A2SW](https://openairdocs.org/tcds/A2SW))

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