What it approves
Installation of Auto-Vac-4 primary vacuum 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
Supplemental type certificate · Raymond Ives
- Holder
- Raymond Ives · United States
- Status
- Current · Issued
- Status date
- April 10, 1990
- Product
- Engine
- Certification basis
- Part 21
- Data sheet
- TCDSE9CE
From FAA DRS. DRS record last changed December 5, 2025.