Piper J3C N98278 accident near Independence Charter Township, Michigan

Probable cause

The reduction in climb performance for reasons that could not be determined. Contributing to the accident was the pilot’s failure to maintain control of the airplane after the loss of performance.

NTSB analysis

The pilot of the float-equipped airplane had performed several takeoffs and landings before the accident takeoff. During the accident takeoff, he perceived a reduced climb performance that was exacerbated by turbulence. He maneuvered the airplane to avoid power lines, the airplane entered an aerodynamic stall, and impacted terrain. A postimpact fire ensued. The airplane sustained substantial damage to the empennage, fuselage, and both wings. The pilot stated that the floats were pumped before the flight, and that the engine did not show any indications of a malfunction.

An examination of the wreckage did not reveal any anomalies. The airplane was operated near maximum gross weight, assuming no more than 8 gallons of fuel were onboard, and no water was in the floats. Although atmospheric conditions were conducive to the development of carburetor icing at glide power settings, whether carburetor icing contributed to the accident could not be determined. The reason for the reduced climb performance could not be determined.

Text from the NTSB. Open the NTSB docket for CEN19LA297 for the full record.