March 2021 | Knowledge Of Sea

Sextant

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The sextant is an instrument used to measure angles. Its arc is one sixth of a circle.…

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A change in draught may arise during a voyage due to factors such as cargo and ballast…

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Below is the list of mandatory alarms / indication as per MSC Resolution 232(82). Alarm: An alarm…

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ENCs are updated by weekly ‘Notices to Mariners’ issued by Hydrographic Offices / Regional ENC co-ordination centers…

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A valuable function of ECDIS is to continuously display position fixes and at the same time, monitor…

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Finding the Quadrant – Northern Hemisphere Northern Hemisphere If the wind veers she is in the right…

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Purpose of steering gear The steering gear provides a movement of the rudder in response to a…

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How CO2 extinguishes fire At atmospheric pressure carbon dioxide is a colouless, odourless and non-conductive gas that…

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Three types of methodsVessel generally use any one of the following methods: “Dropping” or “letting go” anchor…

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Weather routeing is the procedure of ensuring that the ship makes an ocean passage in the least…