# STC SA00178DE-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: AlliedSignal Avionics, United States
- Description: Installation of AlliedSignal CAS-66A TCAS I System.
- Status date: February 20, 1996
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A56EU](https://openairdocs.org/tcds/A56EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/084A0210D6116B5785256CC1007DC806.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00178DE-D

## ADs that name it (0)

None.

## Approved models (1)

- British Aerospace (Scotland) Jetstream Model 3201 ([TCDS A56EU](https://openairdocs.org/tcds/A56EU))

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