# STC ST00035WI

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Duncan Aviation, Inc, United States
- Description: Installation of a Collins TCAS-94 traffic alert and collision avoidance system and dual TDR-94D Mode S transponders.
- Applied: January 5, 1993
- Status date: February 12, 1994
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A16NM](https://openairdocs.org/tcds/A16NM)
- Certificate PDF: https://openairdocs.org/files/sha256/cb/fb/cbfba19b0096b5a6bdd4d3679275e8491cf58a98caad7fde0d3ddf906a1157ab
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B557B13F86B07FB285256CC2006A6F77.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00035WI

## ADs that name it (0)

None.

## Approved models (1)

- Israel Aircraft Industries Ltd. 1125 Westwind Astra ([TCDS A16NM](https://openairdocs.org/tcds/A16NM))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- February 12, 1994: Issued, Current. [certificate](https://openairdocs.org/files/sha256/cb/fb/cbfba19b0096b5a6bdd4d3679275e8491cf58a98caad7fde0d3ddf906a1157ab)

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