... Chart Display and Information System, which is in line with related international standards, capable of using ... software and other operation can be carried out on line. The system, applied a multi-user and multi ... prevented occurrence of collision accidents.Case1At 9:50 p.m. on April 5th, 2008, a foggy day, when ... of major accidents.Case 2At 11:40 p.m. on February 27, 2008, Zhejiang fishing boat 42265 ...