What it approves
Installation of S-TEC System 55 Two Axis Automatic Flight Guidance System, Model ST-658.
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
No AD in this release names this STC
Supplemental type certificate · Texas Turbine Conversions, Inc
- Holder
- Texas Turbine Conversions, Inc · United States
- Status
- Current · Issued
- Status date
- October 31, 2000
- Product
- Aircraft · Single-Engine
- Certification basis
- Part 21
- Data sheet
- TCDSA12SO
From FAA DRS. DRS record last changed December 5, 2025.