# STC ST09365SC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Advanced Avionics Technologies, United States
- Description: Installation of dual Collins Mode S Transponders.
- Status date: August 14, 1997
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A13NM](https://openairdocs.org/tcds/A13NM)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/138AB115AB2B172585256CC300035E02.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST09365SC

## ADs that name it (0)

None.

## Approved models (1)

- Bombardier-Rotax GmbH DHC-8-200 Series ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))

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