# STC SA3020SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system Model YK444 consisting of yaw damper.
- Status date: August 1, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2627D4D69521C0ED85256CC2000A92C7.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3020SW-D

## ADs that name it (0)

None.

## Approved models (7)

- The Cessna Aircraft Company 310N ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310P ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310Q ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310R ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company T310P ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company T310Q ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company T310R ([TCDS 3A10](https://openairdocs.org/tcds/3A10))

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