Aviation Accident Summary SEA89LA073

STANWOOD, WA, USA

Aircraft #1

N4409D

DONNER/PARTON AVID FLYER

Analysis

DURING FLIGHT, THERE WAS A LOSS OF POWER FROM ONE OF THE CYLINDERS OF THE AIRCRAFT'S TWO CYLINDER ENGINE. WITH INSUFFICIENT POWER TO CONTINUE FLIGHT, THE PILOT TRIED TO LAND IN A SOD FIELD. HOWEVER, THE AIRCRAFT TOUCHED DOWN IN A PLOWED FIELD, SHORT OF THE INTENDED LANDING AREA, AND NOSED OVER. THE PILOT BELIEVED THAT ONE OF THE SPARK PLUG LEADS MAY HAVE BECOME DISCONNECTED.

Probable Cause and Findings

AN IGNITION LEAD BECAME DISCONNECTED FROM ONE CYLINDER, WHICH RESULTED IN A PARTIAL POWER LOSS. A FACTOR RELATED TO THE ACCIDENT WAS: SOFT TERRAIN IN THE TOUCHDOWN AREA.

 

Source: NTSB Aviation Accident Database

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