# STC SA01552CH-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: ElectroSonics, United States
- Description: Installation of SKYWATCH HP Traffic Alert/Advisory System Model SKY899 (TCAS I/TAS) Installation
- Applied: October 15, 2001
- Status date: September 22, 2003
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D3BDA7FDBDAAE11B86256F34005BE06D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01552CH-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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