There are five types of synthetic ropes, namely Nylon (Polymide). Nylon is the strongest of all ropes in common use and is slightly stronger than polyester. However, if it is much used, it becomes weaker than polyester. It is also the most elastic of all ropes and can stretch up…
There are five types of natural rope, namely the following: Manila. Manila is a golden brown colour and is made up of strands from a type of banana plant (the abaca) which grows in the Philippines, Borneo and central America. When mature the abaca plant grows to a height of…
The collective term used for all types of rope, twine and lines is cordage. Unlike the past when rope was measured by its circumference, it is now measured across its diameter. It is made either from vegetable or man-made fibres. The fibres are twisted together to form yarns, which are…
At sea a ship requires personnel to operate it on a continuous basis. In order to do this the crew have to work shifts or watches. The system of watchkeeping may differ from ship to ship, but the system usually employed is based upon a three watch rotation, ie four…
The deck department comprises all the navigating officers and seaman ratings carried onboard. Their duties and responsibilities are as follows: Navigating officers. They are responsible for the “driving” of the vessel. By this is meant: The safe navigation of the vessel. Managing the day to day running of the vessel.…
There are considerable differences between the organisation of naval and merchant ships and yet there are also basic similarities. In this module we will be looking at the merchant navy structure. The master of a ship is usually referred to as the captain which is usually the rank of the…
