ENC CHART CORRECTION
ENCs are updated by weekly ‘Notices to Mariners’ issued by Hydrographic Offices / Regional ENC co-ordination centers ( RENC) and…
ECDIS – Detection Area
A valuable function of ECDIS is to continuously display position fixes and at the same time, monitor a detection area…
Storm Navigation
Finding the Quadrant – Northern Hemisphere Northern Hemisphere If the wind veers she is in the right hand semicircle (Dangerous…
Steering Gear
Purpose of steering gear The steering gear provides a movement of the rudder in response to a signal from the…
Fixed CO2 Fire Extinguishing System
How CO2 extinguishes fire At atmospheric pressure carbon dioxide is a colouless, odourless and non-conductive gas that can quickly and…
Anchoring Methods
Three types of methodsVessel generally use any one of the following methods: “Dropping” or “letting go” anchor from the hawse…
Weather Routeing- Planning
Weather routeing is the procedure of ensuring that the ship makes an ocean passage in the least possible time conducive…
ECDIS – Compilation Scale and Scale Minimum
During passage planning the 2nd officer plans a passage apparently clear of visible dangers to navigation. ( IGNORE SHALLOW CONTOUR…
ECDIS – Contour Settings
Traditional method of passage planning on paper chart: Using a draft of 14 mtr and applying a 2 mtr safety…
Off Hire
Time charterparties invariably contain an off-hire clause providing for exceptions from the obligation for charterers to pay hire from the…