Piper Service Letter No. 247
Applicability: Piper PA-18A serial numbers 18-1 thru 18-4122
System: Tail Section
Issue Date: April 15, 1955
Subject: Tail Reinforcement for PA-18 Agricultural Airplanes
Summary: Reinforcing the bottom longeron on PA-18A airplanes to prevent bends caused by certain load conditions or maneuver types.
Open PDF: PIP_SL247.pdf