Aviation Accident Summary SEA91LA238

COEUR D'ALENE, ID, USA

Aircraft #1

N7547E

CHAMPION 7EC

Analysis

WHILE MANEUVERING OVER MOUNTAINOUS TERRAIN, THE ENGINE BEGAN TO RUN ROUGH. THE PILOT INITIATED A FORCED LANDING IN AN OPEN FIELD. DURING THE LANDING ROLL, THE AIRPLANE NOSED OVER. POST-CRASH INSPECTION OF THE ENGINE REVEALED THAT THE FUEL SYSTEM VENT WAS BLOCKED BY ACCUMULATIONS FROM MUD DAUBERS.

Probable Cause and Findings

A BLOCKED FUEL SYSTEM VENT, AND AN INADEQUATE AIRCRAFT PREFLIGHT BY THE PILOT. ROUGH TERRAIN IN THE EMERGENCY LANDING AREA WAS A RELATED FACTOR.

 

Source: NTSB Aviation Accident Database

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