# STC SA8910SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 55 Two Axis automatic flight guidance system,Model ST-577, with optional automatic electric trim system.
- Status date: April 16, 2002
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/910BA8336EBF10F485256CC20058E978.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA8910SW-D

## ADs that name it (0)

None.

## Approved models (4)

- Raytheon Aircraft Company S35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company V35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company V35B ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

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