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Category: Navigation

Ecdis Enc Correction
Navigation

Ecdis Enc Correction

adminOctober 21, 2025October 21, 2025

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

To keep clear of TRS
Navigation

To keep clear of TRS

adminOctober 4, 2025October 4, 2025

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
Navigation

Weather Pattern in Oceans for Navigation

adminOctober 3, 2025October 3, 2025

Wind pattern The wind direction and speed is determined by the position of the Highs and Lows. Wind flows outwards…

Navigation Pressure Pattern
Navigation

Navigation Pressure Pattern

adminOctober 3, 2025October 3, 2025

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
Navigation

Iceberg General Patterns

adminOctober 3, 2025October 3, 2025

North Atlantic: July: Northern Summer January: Northern Winter South Atlantic / S. Indian Ocean / South Pacific Ocean January (summer):…

Chart 5500 English Channel
Navigation

Chart 5500 English Channel

adminOctober 3, 2025October 3, 2025

Specific regulation RADIO REPORTING SYSTEM: MARITIME RADIO SERVICE: PILOTAGE SERVICES:

Navigation

Traffic Separation Scheme

adminOctober 3, 2025October 3, 2025

DIFFERENTIATE BETWEEN ADOPTED AND NON-ADOPTED ROUTEING SCHEMES. ADOPTED SCHEMES: NON-ADOPTED SCHEMES: FIVE PRECISE OBJECTIVES OF THE IMO ROUTEING. STATE WHERE…

Passage through
Navigation

Passage through

adminOctober 3, 2025October 3, 2025

Passage through Magellan Straits (Points for consideration) • An alternative route between E and W coast of S. America.• There…

Wheel Over Position
Navigation

Wheel Over Position

adminMarch 19, 2025March 19, 2025

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
Navigation

Rudder Cycling, Head reach and Track Reach

adminAugust 25, 2024August 25, 2024

Rudder Cycling works on the principle of diverting the fore and aft thrust sideways but not really taking the vessel…

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Blog is primarily for candidates appearing for certificate of competency exams but such is the detail that while being equally suitable for the beginner, it is also reference work for experienced seaman, and the layout and style of blog make it suitable for shipboard training where practical experience can be allied to the theoretical approach.

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