Japan’s shipbuilding stumbles as talent gap widens; Korea leverages brainpower
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GMDSS Fundamentals
What GMDSS actually does, where it fails, and why equipment carriage compliance is not the same as distress readiness.
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Search and Rescue Obligations for Merchant Ships
What SOLAS V/33 and UNCLOS Article 98 actually require of a merchant master, and what happens when those…
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COLREGs – Restricted Visibility
Rule 19 dismantles the give-way/stand-on framework. Understanding why changes everything about radar-era collision avoidance.
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UKC Calculator: Under-Keel Clearance from First Principles
A full working breakdown of under-keel clearance calculation, exposing why fixed percentage rules are dangerous and what a…
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Calculators & Checklists Hub
Index of all Maritime Hub bridge calculators and checklists, with the philosophy that underpins their proper use as…
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Passage Planning Templates
Passage planning templates exist to reduce cognitive load, not to replace thought. Structure, content, and the failure mode…
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Bridge Equipment Overview
A senior mariner's tour of the modern wheelhouse: what each system does, what it needs, and how it…
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ECDIS alarms and alert management
Why ECDIS alarm flooding is a passage planning failure, not a system problem, and what MSC.302(87) actually changed…
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ENC vs RNC – understanding chart types
Vector ENCs and raster RNCs look similar on screen but are fundamentally different in structure, safety function, and…
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COLREGs – Narrow Channels, TSS & Overtaking
Rules 9, 10 and 13 examined in operational depth: the obligations masters and officers must internalise, not just…
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Iran Requiring IRGC Coordination for Hormuz Transits
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Tidal calculations and secondary ports