# STC SA187NE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Stead Aviation Corp, United States
- Description: Installation of a single or dual Universal Navigation UNS-1 integrated flight management system with a Canadian Marconi Mark 1 Omega Navigation System Sensor(s).
- Status date: October 7, 1985
- 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/56DFA1F54976DD8185256CC10083D20E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA187NE

## ADs that name it (0)

None.

## Approved models (1)

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

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