Supplemental type certificate · S-TEC Corporation
- Holder
- S-TEC Corporation · United States
- Status
- Current · Amended
- Status date
- May 24, 2001
- Product
- Aircraft · Small Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 5, 2025.
What it approves
Installation of S-TEC System 55 Two Axis automatic flight guidance system, Model ST-575, with optional autotrim system.
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 Approved models · 3
| Make | Model | Data sheet |
|---|
| The Cessna Aircraft Company | 335 | 3A25 |
| The Cessna Aircraft Company | 340 | 3A25 |
| The Cessna Aircraft Company | 340A | 3A25 |