# STC SA474SO

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Bendix Corporation Avionics Div, United States
- Description: Installation of Bendix FCS-810 automatic flight control system including manual electric trim and flight director indicator DH-841( ).
- Status date: September 2, 1971
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A17EU](https://openairdocs.org/tcds/A17EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/685B11BFF7985E6B85256CC2000E3E5F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA474SO

## ADs that name it (0)

None.

## Approved models (3)

- B-N Group Ltd. BN-2 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-6 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))

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