$ulcorner$Ministry Of Maritime Affairs And Fisheries$lrcorner$was established on 8 August 1996 by emerging ex-$ulcorner$Maritime and Port Administration$lrcorner$, $ulcorner$Fisheries Administration$lrcorner$and some other marine-related organs such as $ulcorner$Maritime Police Agency$lrcorner$, $ulcorner$Marine Accident Inquiry Agency$lrcorner$, etc., for the purpose of enhancing development of national marine polices in various aspect and promoting marine safety and environmental protection activities. Therefore, the unification of marine casualty statistics is required for the need of appreciating present condition and problem. This paper shows the Client/Server computing system which could replace the existing Main Frame system set up by Maritime and Port Administration and Marine Accident Inquiry Agency. It also gives the way to connect every casualty related organ for data exchange of casualty information and INTERNET for opening casualty information to the public. So, applicable techniques and basic policy direction is dealt with.