# STC SA2746CE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Duncan Aviation, Inc, United States
- Description: Installation of Bendix/King CAS-81 traffic alert and collision avoidance system. and MST-67A ATC Mode S transponder (2 each).
- Status date: July 15, 1991
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A9NM](https://openairdocs.org/tcds/A9NM)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A07BCC9AA1FEAD2085256CC20008C86D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2746CE

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 650 ([TCDS A9NM](https://openairdocs.org/tcds/A9NM))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.