# STC SA1164SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Bendix Corporation Avionics Div, United States
- Description: Installation of a Bendix FCS-870 automatic flight control system.
- Status date: July 2, 1980
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3F24D6F46540F25685256CC10080DF2A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1164SO

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-31 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))

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