Narrative:

Departed anoka county airport ane at approximately XA40 to webster city, ia. Reached cruise altitude of 3500 leaned fuel mixture. At approximately XD00 the engine quit abruptly with no warning. Went through emergency procedure. Decided emergency landing was needed. Landed on a blacktop road safely but shortly after touchdown the right wing caught a roadsign and threw the plane slightly out of control and into the ditch. No one was hurt, the plane was slightly damaged. It is not known at this time what caused the engine to quit. Callback conversation with reporter revealed the following: still do not know the exact cause of the engine stopping but is known that it was internal engine failure of some type. The FAA is calling this an incident and no action being taken against pilot and case is closed. The aircraft is being repaired but due to engine had to be trucked out, could not be flown.

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Original NASA ASRS Text

Title: GA SMA ENGINE FAILURE. EMERGENCY OFF ARPT LNDG.

Narrative: DEPARTED ANOKA COUNTY ARPT ANE AT APPROX XA40 TO WEBSTER CITY, IA. REACHED CRUISE ALT OF 3500 LEANED FUEL MIXTURE. AT APPROX XD00 THE ENGINE QUIT ABRUPTLY WITH NO WARNING. WENT THROUGH EMER PROC. DECIDED EMER LNDG WAS NEEDED. LANDED ON A BLACKTOP ROAD SAFELY BUT SHORTLY AFTER TOUCHDOWN THE RIGHT WING CAUGHT A ROADSIGN AND THREW THE PLANE SLIGHTLY OUT OF CONTROL AND INTO THE DITCH. NO ONE WAS HURT, THE PLANE WAS SLIGHTLY DAMAGED. IT IS NOT KNOWN AT THIS TIME WHAT CAUSED THE ENGINE TO QUIT. CALLBACK CONVERSATION WITH REPORTER REVEALED THE FOLLOWING: STILL DO NOT KNOW THE EXACT CAUSE OF THE ENGINE STOPPING BUT IS KNOWN THAT IT WAS INTERNAL ENGINE FAILURE OF SOME TYPE. THE FAA IS CALLING THIS AN INCIDENT AND NO ACTION BEING TAKEN AGAINST PLT AND CASE IS CLOSED. THE ACFT IS BEING REPAIRED BUT DUE TO ENGINE HAD TO BE TRUCKED OUT, COULD NOT BE FLOWN.

Data retrieved from NASA's ASRS site as of August 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.