Abstract
The special characteristics of ship handling decided by ship's maneuverability, natural environment and marine traffic environment. In order to develop the system to substitute human operator, human function in conventional system should be clarified to realize the necessary functions. The function in intelligent system should be evaluated relating to necessary functions based on the characteristics of maneuverability and natural and traffic environment. In this paper, the characteristics of ship handling, operator's function and modern developed intelligent system for ship handling are discussed.
