# STC SA1139SO

- 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. The following options are included: pre-select altitude, yaw damper and flight director system.
- Status date: March 13, 1980
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A17WE](https://openairdocs.org/tcds/A17WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/17A8D0643939AB8E85256CC10080DEC3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1139SO

## ADs that name it (0)

None.

## Approved models (3)

- Aerostar Aircraft Corporation PA-60-600 (Aerostar 600) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE))
- Aerostar Aircraft Corporation PA-60-601 (Aerostar 601) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE))
- Aerostar Aircraft Corporation PA-60-601P (Aerostar 601P) ([TCDS A17WE](https://openairdocs.org/tcds/A17WE))

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