Supplemental type certificate · S-TEC Corporation
- Holder
- S-TEC Corporation · United States
- Status
- Current · Issued
- Status date
- November 10, 1994
- Product
- Aircraft · Small Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Installation of S-TEC System 55 two axis automatic flight guidance system, Model ST-559, with optional automatic electric trim 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 · 4
| Make | Model | Data sheet |
|---|
| The Cessna Aircraft Company | 414 | A7CE |
| The Cessna Aircraft Company | 421 | A7CE |
| The Cessna Aircraft Company | 421A | A7CE |
| The Cessna Aircraft Company | 421B | A7CE |