# STC SA1707CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Duncan Aviation, Inc, United States
- Description: Installation of Global GNS-500A, Series 3A or 3B VLF/Omega navigation system.
- Status date: July 15, 1982
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A5SW](https://openairdocs.org/tcds/A5SW)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E44818E044CAD4A385256CC10083CF21.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1707CE

## ADs that name it (0)

None.

## Approved models (2)

- Fairchild Aircraft Corporation SA226-T(B) ([TCDS A5SW](https://openairdocs.org/tcds/A5SW))
- Fairchild Aircraft Corporation SA227-TT ([TCDS A5SW](https://openairdocs.org/tcds/A5SW))

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