# STC ST00380WI

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Duncan Aviation, Inc, United States
- Description: Installation of a dual Universal Avionics UNS-1C flight management system.
- Status date: November 2, 1995
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/85968B1E25E1099F85256CC2006A7321.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00380WI

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company HS.125 Series 700B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.