Updating ENC Data: ENCs are updated by weekly ‘Notices to Mariners’ issued by Hydrographic Offices / Regional ENC co-ordination centers
Category: Navigation
To keep clear of TRS
In mid September a loaded container ship is in position 26˚ 30’ N 121˚ 20’ E bound through the strait
Weather Pattern in Oceans for Navigation
Wind pattern The wind direction and speed is determined by the position of the Highs and Lows. Wind flows outwards
Navigation Pressure Pattern
Pressure patterns: Common for July and January Permanent High in North and South Atlantic (35˚N/S)Permanent High in the Indian ocean
Iceberg General Patterns
North Atlantic: July: Northern Summer January: Northern Winter South Atlantic / S. Indian Ocean / South Pacific Ocean January (summer):
Chart 5500 English Channel
Specific regulation RADIO REPORTING SYSTEM: MARITIME RADIO SERVICE: PILOTAGE SERVICES:
Traffic Separation Scheme
DIFFERENTIATE BETWEEN ADOPTED AND NON-ADOPTED ROUTEING SCHEMES. ADOPTED SCHEMES: NON-ADOPTED SCHEMES: FIVE PRECISE OBJECTIVES OF THE IMO ROUTEING. STATE WHERE
Passage through
Passage through Magellan Straits (Points for consideration) • An alternative route between E and W coast of S. America.• There
Wheel Over Position
WOP is the point on the initial course at which the wheel is put over to initiate the turning of
Rudder Cycling, Head reach and Track Reach
Rudder Cycling works on the principle of diverting the fore and aft thrust sideways but not really taking the vessel