Accident Overview
Following an uneventful flight from Kagoshima, the aircraft landed on runway 02 at Oita Airport. After touchdown, it encountered difficulties in stopping within the remaining distance. The airplane overran the runway and came to rest in a dump located 124 meters further.
Casualties
22 occupants were injured, and 20 others, including two crew members, were killed.
Probable Cause
The official investigation determined the probable cause to be: "The overlapping effects of excessive air speed in touchdown, inoperative propeller reversing, insufficient effect of the foot brake and the counter effect of the second reversing operations, although it is very difficult to judge to what degree any of the above-mentioned causes affect this accident."