To accelerate the extraction of a closest mobile object by using a list for which corresponding areas are aligned in the increasing order of the shortest rod distance from a reference representative point to all of representative points are extracting the mobile object from a closer division area.
An inter-district distance table 16b is used and the required number of fire engines closest to a disaster scene are searched (selected). Then, vehicle data for registering the fire engines dispatchable at present are searched for respective small districts, and when the dispatchable fire engins are registered in the vehicle data, the engins are selected in a searching order and it is continued until the selection of the required number inputted from a required number decision means 19 of the vehicles is ended. For the searching order of the small districts, the small district of a specified disaster spot is first and thereafter, searching is performed in the order of the small districts arranged in the list of the inter-district distance table 16b relating to the small district and the required number of the fire engins are selected. The vehicle data are searched in such a manner and the required number of the fire engins are selected.
SUETAKE NORIAKI
IGARI HIDEO
