# STC SA1053SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Bendix Corporation Avionics Div, United States
- Description: Installation of FCS-870 automatic flight control system, including manual electric trim, optional yaw damper system, and optional flight director.
- Status date: March 13, 1979
- 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/55D91B7EFEDE968C85256CC10080DCFD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1053SO

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-31T1 ([TCDS A8EA](https://openairdocs.org/tcds/A8EA))

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