# STC SA8539SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of a Century yaw damper system kit no. YK1060 consisting of a Century yaw damper.
- Status date: August 21, 2000
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A8EA](https://openairdocs.org/tcds/A8EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D55E82F72B6E12D385256CC20058E824.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA8539SW-D

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-31T ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))

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