Sec 3.13 – Magnetic, gyro and GNSS compasses on the bridge Are the magnetic compass, gyro compass and GNSS compass fitted where required, operational, adjusted and properly maintained? WHY COMPASSES STILL MATTER Heading information drives almost everything on the bridge, from the autopilot to radar and AIS. A compass that […]
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Understanding how pressure differences control wind Wind is fundamentally driven by differences in atmospheric pressure. The pressure gradient describes how rapidly pressure changes over a given horizontal distance. For mariners, understanding the pressure gradient is essential because the spacing of isobars on a weather chart gives a quick indication of […]
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Understanding atmospheric pressure is one of the fundamental skills required for interpreting weather charts and anticipating changes in weather at sea. Pressure patterns provide valuable clues about wind strength, weather systems and developing conditions. 1. ATMOSPHERIC PRESSURE Atmospheric pressure is the force exerted by the weight of the air above […]
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PRECIPITATION – Understanding Different Forms of Water from the Atmosphere Precipitation is one of the most important weather phenomena affecting maritime operations. It influences visibility, navigation, cargo handling, deck safety, and vessel stability, particularly in cold weather. Understanding how different forms of precipitation develop enables mariners to interpret weather conditions […]
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Professional Crew Response Demonstrates the Highest Standards of Safety at Sea A Wallem-managed bulk carrier successfully rescued two fishermen from a sinking fishing boat near the Babuyan Islands in the Philippines, showcasing outstanding seamanship, swift decision-making, and the maritime industry’s enduring commitment to saving lives at sea. The successful operation […]
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Modern ships sail through oceans guided by invisible constellations. Global Navigation Satellite Systems (GNSS), including GPS, power everything from ECDIS and AIS to radar overlays and autopilot. These systems have turned navigation into a near-symphony of precision. But lately, that orchestra has started hitting the wrong notes. Recent advisories from […]
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