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