ENC CHART CORRECTION
ENCs are updated by weekly ‘Notices to Mariners’ issued by Hydrographic Offices / Regional ENC co-ordination centers ( RENC) and…
Category: Navigation
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…
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…
ECDIS (Safe or Risk to Navigation)
Numerous groundings and near misses have occurred on ECDIS equipped ships that could have been avoided but for failures in…
Navigation Safe Practices (II)
Safe practices in navigation are an important aspect of the overall safety of the ship. Perhaps more important than knowing…
Navigation Safe Practices
Collisions and groundings are a result of unsafe practices. Let look at the why collisions occur and how they can…
Principles of Position Determination
With the emergence of satellite position fixing systems, position determination at sea today has been reduced only to plotting of…