ABSTRACT
An autopilot is defined as a mechanical, electrical or hydraulic system used to guide a vehicle without assistance from a human being. A ship uses an autopilot for steering during her voyages except when she navigates in confined waters or maneuvering at port (COLREGS 72) [8]. A ship’s voyage may last several days and a large proportion of it takes place in the open sea where the autopilot is used almost exclusively. Even though the ship’s bridge, where the autopilot is located, is always supervised by the officer on watch (STCW 95) [22], it is necessary to ensure that the autopilot is a safe and reliable tool in his / her hands.
