# STC SA1-442

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Dynavia Corporation, United States
- Description: ANC-3A computer and ANO-C2 or ANC-D2 controller with Lear L2C autopilot.
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AE9743554B419B0685256CC10080DB4F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-442

## ADs that name it (0)

None.

## Approved models (1)

- Twin Commander Aircraft Corporation 680 Series ([TCDS 2A4](https://openairdocs.org/tcds/2A4))

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