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Master must ensure that all statutory, class and trading certificates are kept valid at all times. Apart from above certificates, vessel will also maintain following below certificates in Master’s file. If the vessel has been issued with multiple load-line certificates, only the current certificate should be kept in certificates file / folder; non- applicable certificates…
It should be remembered that the brake holding power is always greater than the heaving power and that once the brake starts to slip it is impossible to heave unless the force causing the slippage is reduced. Risk of injury arising either from premature rendering or from winch not rendering at design pressure leading to…
Man overboard is a potentially dangerous situation for a ship at sea. Among the many threats that could undermine the proper course of the voyage of a vessel, accidents related to man falling overboard is one of them. Unfortunately, according to a report, a high percentage of all overboard incidents end in death. It is…
Piping system The bilge system is used to remove small quantities of fluid that have leaked or condensed into a dry space. The system serves the machinery spaces, cargo holds, cofferdams, voids, stores, tunnels and pump rooms. Each space has its own piping but the pump is likely to be shared. Features of bilge system…
Control of discharge of oil from machinery spaces Any discharge into the sea of oil or oily mixtures from ships of 400 gross tonnage and above shall be prohibited except when all the following conditions are satisfied: Outside special areas Inside special areas In respect of the Antarctic area, any discharge into the sea of…
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Oil Fired Auxiliary Boilers The oil fired auxiliary boilers are not fitted with sootblowers. Soot removal from the heat transfer surfaces of the tubes is carried out by means of a water jet when the boiler is not in operation. The need for soot removal may be determined by the following procedures: • Visual inspection…
The burner is of the rotary cup type and so does not require any atomising steam or air supply. Control air is needed for valve actuation and purging and an electrical supply is required to operate the rotary cup drive motor. Combustion air is supplied by means of an electrically driven forced draught fan. The…
The Electronic Governor System is a control system designed to accurately maintain the output shaft speed of the main propulsion engine to a given order. The governor consists of a microprocessor unit at the engine revolution control part and a fast response electrical servomotor with reduction gear at the actuator part. The servomotor unit is…
The engine protecting system (EPS) is designed to monitor the ship’s main engine performance and speed, then control the engine protection functions, such as shutdown and slowdown, if the engine’s monitored operations exceed defined limits. The protecting system provides the following control and monitoring facilities: Control of: • Emergency stop • Engine shutdown • Engine…
Introduction The Bridge Maneuvering System is a bridge maneuvering system used for the remote control of the ship’s main diesel engine which is connected to a fixed pitch propeller. The maneuvering system allows for remote engine control from the bridge or engine control room. Control may be transferred between these stations and may also be…