# STC SA8904SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC yaw damper system, Model ST-201.
- Status date: January 25, 1995
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A25](https://openairdocs.org/tcds/3A25)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D0DF79AF75A85B4985256CC20058E96E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA8904SW-D

## ADs that name it (0)

None.

## Approved models (5)

- The Cessna Aircraft Company 320B ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- The Cessna Aircraft Company 320C ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- The Cessna Aircraft Company 320D ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- The Cessna Aircraft Company 320E ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- The Cessna Aircraft Company 320F ([TCDS 3A25](https://openairdocs.org/tcds/3A25))

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