# STC ST09404SC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Avionics Engineering of Denver, Inc, United States
- Description: Installation of dual Universal Avionics Systems Corp (UASC) UNS-1D Flight Management Systems with internal GPS Sensors and dual external UASC Radio Reference Sensors (RRS).
- Status date: December 5, 1997
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A372610EF0A6E96685256CC300035E17.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09404SC

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 737-200 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

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