# STC SA931NE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Delta Engineering, United States
- Description: Installation of a single Honeywell/ Sperry VN-212 vertical navigation system.
- Status date: January 16, 1992
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A46EU](https://openairdocs.org/tcds/A46EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/32C6CD206B6ACE7685256CC20058EAC6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA931NE

## ADs that name it (0)

None.

## Approved models (1)

- Dassault-Aviation Mystere-Falcon 50 ([TCDS A46EU](https://openairdocs.org/tcds/A46EU))

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