# STC SA453SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Bendix Corporation Avionics Div, United States
- Description: Installation of Bendix Model FCS 810 automatic flight control system including manual electric trim and optional flight director indicator.
- Status date: October 19, 1977
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A16](https://openairdocs.org/tcds/3A16), [TCDS A23CE](https://openairdocs.org/tcds/A23CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/72AD173843DC60C885256CC2000E3D12.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA453SO

## ADs that name it (0)

None.

## Approved models (15)

- Raytheon Aircraft Company 56TC ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 58 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 58A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 58P ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))
- Raytheon Aircraft Company 58PA ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))
- Raytheon Aircraft Company 58TC ([TCDS A23CE](https://openairdocs.org/tcds/A23CE))
- Raytheon Aircraft Company 95-55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 95-A55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 95-B55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 95-B55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company 95-C55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company A56TC ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company D55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company E55 ([TCDS 3A16](https://openairdocs.org/tcds/3A16))
- Raytheon Aircraft Company E55A ([TCDS 3A16](https://openairdocs.org/tcds/3A16))

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.