What it approves
Aerofilter 30409A-12 or full flow filter 30409A with element 1A0235.
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 · Winslow Aerofilter Corp
- Holder
- Winslow Aerofilter Corp · United States
- Status
- Current · Issued
- Status date
- January 1, 1960
- Product
- Aircraft · Small Multi-Engine
- Certification basis
- Part 21
- Data sheet
- TCDS6A1
From FAA DRS. DRS record last changed December 6, 2025.