抄録
All of farm fatal-injured accidents in 4 years during 1983 to 1990 occurred in Hokkaido were surveyed by interview. The results of survey is divided two report, named part 2 and 3. The details of tractor over turn accidents on the field, catch-in to machine, run over by vehicle, pinch in to machine, fall down from high position and traffic troubles were described in this report.
1) The fatal-injured accidents with tractor in farm field were classified under the tumble down from field, over turn in the field and slip down at the field entrance slop. And the main reasons of accidents were described.
2) The correlational chart of reasons about tractor accidents in the field showed that the most of critical condition of farm area cannot improve, and if the person who has weak point to operate farm machines alive, no man can change to him. So the operator must control the machine with fully cautions to the critical condition every time.
3) The main reasons of catch in accidents to machine, run over accidents by vehicle and pinch in accidents to machine were clarified.
4) The real situations that the fatal-injured accidents brings critical conditions to his family and his farm were described.