WHITEWATER, MT, USA
N7134K
PIPER PA-18-150
THE PRIVATE PILOT ENCOUNTERED FREEZING FOG AND HAZE, REDUUCING THE VISIBILITY TO THREE MILES. HE TURNED BACK TO LAND BUT THE ENGINE BEGAN TO RUN ROUGH. HE ADDED CARBURETOR HEAT BUT THE ENGINE BECAME ROUGHER AND REDUCED TO PARTIAL POWER. THE PILOT SELECTED A RIDGE IN ROUGH TERRAIN AND MADE A FORCED LANDING. AT TOUCHDOWN, THE TAIL LIFTED AND THE PLANE NOSED OVER. THE VERTICAL STABILIZER, ELEVATOR, WINGS, COWLING AND FIREWALL WERE BENT. DURING A POSTACCIDENT ENGINE RUN THE ENGINE OPERATED NORMALLY AND RAN FOR FIVE MINUTES.
PILOT'S DELAYED USE OF CARBURETOR HEAT AND THE SUBSEQUENT INDUCTION ICING RELATED PARTIAL POWER LOSS. CONTRIBUTING FACTORS WERE THE CARBURETOR ICING CONDITIONS AND THE UNSUITABLE TERRAIN IN WHICH THE FORCED LANDING WAS PERFORMED.
Source: NTSB Aviation Accident Database
Aviation Accidents App
In-Depth Access to Aviation Accident Reports
