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Welcome to Captain’s Mode Maritime ⚓
Your trusted source for maritime education, navigation tutorials, and seafaring insights. We publish practical guides on ship handling, navigation, practical seamanship, safety guides, and life at sea — written for cadets, deck officers, and maritime professionals seeking accurate, easy-to-follow content materials.
Recently Published
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Questions Inspectors May Ask a Ship’s Gangway Watchman
The inspector has just arrived at the gangway. Are you ready for the questions? For many seafarers, the gangway watch is more than checking visitors and maintaining security. During a vetting, SIRE 2.0, Port State Control, Coast…
Seaman’s Notes
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Why Do Seafarer Job Boards Show More Engine Vacancies Than Deck Jobs?
If you browse maritime recruitment websites, you may notice something surprising: engine department vacancies often…
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OWS 15 ppm Alarm: Troubleshooting False High Readings
It is 0300, your OWS 15 ppm alarm has tripped for the third time this…
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CPP Bow Thruster Zero Pitch: Zero Thrust & Troubleshooting
Your bow thruster lever sits at neutral, yet the bow of your laden bulk carrier…
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Radar Parallel Indexing: How to Use PI for Safe Navigation in Confined Waters ⚓
Fog reduces visibility to 200 metres at 0200H, and the channel ahead narrows to a…
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ECDIS Safety Depth vs Safety Contour: A Practical OOW Configuration Guide
Safety Depth and Safety Contour are not the same setting. Safety Depth makes potentially unsafe…
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Echo Sounder Draft Offset: DBT, DBK and DBS Explained for Safe Navigation
An echo sounder draft offset determines the reference point from which a depth reading is…
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Emergency Steering Gear Drill: Bridge-to-Steering Flat Changeover Guide
An emergency steering changeover is the controlled transfer of rudder control from the bridge to…
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Radar Performance Monitor (PM) Testing and Blind Sector Plotting
A radar performance monitor provides a means of checking transmitter and receiver performance against a…
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OOW Guide to GNSS Spoofing: Detecting and Navigating False GPS Fixes
Global Navigation Satellite System (GNSS) spoofing has become an operational reality. Operating in choke points…
Mariner’s Handbook
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Restricted Visibility Checklist: What to Do When Your Ship Enters Restricted Visibility
When restricted visibility is encountered or expected, the Officer of the Watch (OOW) must act…
