# STC SA8907SW-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-564, with optional automatic electric trim system.
- Status date: April 12, 2001
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 7A3](https://openairdocs.org/tcds/7A3)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D773A76D2AA5624485256CC20058E971.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA8907SW-D

## ADs that name it (0)

None.

## Approved models (3)

- SOCATA - Groupe Aerospatiale M.S. 760 ([TCDS 7A3](https://openairdocs.org/tcds/7A3))
- SOCATA - Groupe Aerospatiale M.S. 760A ([TCDS 7A3](https://openairdocs.org/tcds/7A3))
- SOCATA - Groupe Aerospatiale M.S. 760B ([TCDS 7A3](https://openairdocs.org/tcds/7A3))

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