# STC SA483SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Bendix Corporation Avionics Div, United States
- Description: Installation of Bendix YD4 yaw damper system.
- Status date: December 23, 1971
- 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/FE6055A240F7068185256CC2000E3F12.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA483SO

## ADs that name it (0)

None.

## Approved models (1)

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

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.