From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Installation of McCauley 1A175/GM propeller on Piper models PA-12 and PA-12S which have been modified by installing Lycoming O-290-D2 (135 hp) or O-320 (150 hp) engines.
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.