Narrative:

After landing; the aircraft drifted off the left side of the runway and overturned in a forward direction. There was a cross wind from the left; but I do not think this was a major contribution to the event. I have landed at this airport probably more than 1;500 times with no problems. I believe that the major contributor was that I became inattentive at the ending of the landing and allowed the airplane to drift off the edge of the runway. Unfortunately this developed into a situation that caused the aircraft to overturn. In thinking back on this event I think that because of my familiarity with this airport and the fact that I have had no problems in the past landing there; I became complacent and allowed this event to occur.I have read accident reports that focus on pilots becoming complacent and really did not believe that I could or would allow myself to fit this situation; but I cannot find any other major cause for this event.

Google
 

Original NASA ASRS Text

Title: RV9 pilot reported loss of directional control after landing that resulted in a runway excursion with the aircraft overturning.

Narrative: After landing; the aircraft drifted off the left side of the runway and overturned in a forward direction. There was a cross wind from the left; but I do not think this was a major contribution to the event. I have landed at this airport probably more than 1;500 times with no problems. I believe that the major contributor was that I became inattentive at the ending of the landing and allowed the airplane to drift off the edge of the runway. Unfortunately this developed into a situation that caused the aircraft to overturn. In thinking back on this event I think that because of my familiarity with this airport and the fact that I have had no problems in the past landing there; I became complacent and allowed this event to occur.I have read accident reports that focus on pilots becoming complacent and really did not believe that I could or would allow myself to fit this situation; but I cannot find any other major cause for this event.

Data retrieved from NASA's ASRS site 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.