# STC SA1228SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Bendix Corporation Avionics Div, United States
- Description: Installation of a Bendix FCS-8700B automatic flight control system including optional flight director.
- Status date: May 20, 1981
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/08AA6061C860B83385256CC10080E05A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1228SO

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company C90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))

---
From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.