What it approves
Installation of leading edge cuffs, stall fences, aileron seals, wing tips.
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 · Williams Robert
- Holder
- Williams Robert · United States
- Status
- Current · Reissued
- Status date
- June 6, 1980
- Product
- Aircraft · Single-Engine
- Certification basis
- Part 21
- Data sheet
- TCDS3A12
From FAA DRS. DRS record last changed December 6, 2025.