What it approves
Installation of wing spar reinforcement.
ADs that name this STC · 1
An AD can apply because an STC is installed, or mention one in its text.
Supplemental type certificate · Vintage Aircraft
From FAA DRS. DRS record last changed December 6, 2025.
Installation of wing spar reinforcement.
An AD can apply because an STC is installed, or mention one in its text.