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Annex II Regulations for the control of pollution by Noxious Liquid Substances in Bulk Details the discharge criteria and measures for the control of pollution by noxious liquid substances carried in bulk The discharge of their residues is allowed only to reception facilities until certain concentrations and conditions ( which vary with the category of…
The ships main gyro compass gives the heading of the vessel with respect to true north. A Gyro compass is a form of gyroscope, used widely on ships employing an electrically powered, fast spinning gyroscope wheel and frictional forces among other factors utilizing the basic physical laws, influences of gravity and the earth’s rotation to…
Occasionally the power of the windlass may be insufficient to recover the anchor, even in moderate weather. This can be due to mechanical inefficiency in the windlass due to excessive friction in gears for example, or to a reduction in power of the windlass motors, perhaps as a result of overhead oil, worn internal components….
Traffic Separation Schemes ; Avoidance of Collisions Relatively few collisions occur in the open sea. The majority occur in coastal waters, in the approaches to ports, and within ports themselves. This is to be expected given that the risk of collision increases in relation to the frequency of encounter with other vessels. In areas of…
As per Chapter V of SOLAS 74, as amended, a magnetic compass is a compulsory part of ship borne navigational equipment. This is in addition to the gyro compass & suitably placed repeaters on the ship. This is so primary because of the reliable dependence one can place on the magnetic compass, as a standby…
Safe Practices: The Aim of this section is to ensure that the seafarer does not, at anytime, jeopardize the safety of his shipmates or himself when working in hazardous areas. a) Safe practices for working over side and aloft.b) Safe practices when entering into enclosed spaces Safety is the operative word. You will never be…
Stability is the science of calculating the ability of ship to remain upright in all Conditions of weather and seas. One of the important aspects of determining such stability is the knowledge of areas and the volumes of the ship. Even though practical stability calculations do not require us to calculate these parameters at sea,…
The burning of any fuel onboard ship, creates exhaust gases or emissions and most of these have an effect on the environment. The quality of the fuel oil being burnt influences the level and type of emission, however, cylinder lubricating oil also produces emissions as it is a hydrocarbon and contains chemical additives. Some of…
Purpose Every oil tanker of 150 gross tonnage and above Every ship of 400 gross tonnage and above other than an oil tanker Is provided with an Oil Record Book Part I, (ORB) to record oil transfer operation in machinery space as per regulation 17 of MARPOL annex I This is necessary in order for…
Harmful substances in packaged form are transported in freight containers, portable tanks or road and rail tank wagons, etc Hazards of transporting harmful substance in packaged form: During transportation they may cause environmental pollution: By leaking to hold bilges on container vessels Pollution from loss overboard of harmful packaged goods during rough weather Annex III…