1994-05-16: Stinson 108-2 — Steven J. Korhonen — Kettle River, MN

Casualties unknown • Kettle River, MN, US

Probable cause

THE PILOT'S IMPROPER USE OF CARBURETOR HEAT AND THE LACK OF SUITABLE TERRAIN FOR A FORCED LANDING. THE CARBURETOR ICING WEATHER CONDITION WAS A FACTOR.

— NTSB Determination

Accident narrative

THE PILOT REPORTED THE ENGINE LOST RPM, SPUTTERED AND STOPPED ABOUT 10-12 SECONDS AFTER TAKEOFF. THE AIRPLANE STRUCK SOME TREES DURING THE FORCED LANDING. FAA INSPECTORS WHO EXAMINED THE AIRPLANE COULD FIND NO ENGINE ANOMALY WHICH WOULD CAUSE A LOSS OF POWER. THE TEMPERATURE WAS 51 DEGREES, AND THE DEW POINT WAS 43 DEGREES. THESE TEMPERATURE/DEW POINT CONDITIONS ARE FAVORABLE FOR SERIOUS CARBURETOR ICING. THE PILOT STATED HE DID A CARBURETOR HEAT CHECK ON RUN-UP. THE FAA INSPECTOR WHO EXAMINED THE WRECKAGE REPORTED THE CARBURETOR HEAT WAS IN THE 'OFF' POSITION.

Frequently asked questions

What happened in the 1994-05-16 Stinson 108-2 accident near Kettle River, MN?

THE PILOT REPORTED THE ENGINE LOST RPM, SPUTTERED AND STOPPED ABOUT 10-12 SECONDS AFTER TAKEOFF. THE AIRPLANE STRUCK SOME TREES DURING THE FORCED LANDING. FAA INSPECTORS WHO EXAMINED THE AIRPLANE COULD FIND NO ENGINE ANOMALY WHICH WOULD CAUSE A LOSS OF POWER. THE TEMPERATURE WAS 51 DEGREES, AND THE DEW POINT WAS 43…

What aircraft was involved and where did it happen?

The accident on 1994-05-16 involved a Stinson 108-2, registration N9761K, operated by Steven J. Korhonen, at Kettle River, MN.

What was the probable cause of the accident?

THE PILOT'S IMPROPER USE OF CARBURETOR HEAT AND THE LACK OF SUITABLE TERRAIN FOR A FORCED LANDING. THE CARBURETOR ICING WEATHER CONDITION WAS A FACTOR.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001206X01242. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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