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How To Overtake in a Narrow Channel and Avoid Collision

by | Last updated Jun 3, 2024 | Navigation | 0 Comments

Ships overtaking in a narrow channel is one of the most challenging parts of navigating inside waterways. The confined waterway, hydrodynamic forces, and the vessels' proximity increase the risk of collision if proper precautions are not taken.  While we have various...

When To Change From Ship’s Autopilot to Manual Steering

by | Last updated May 27, 2024 | Navigation | 0 Comments

Transitioning from automatic steering to manual steering is a decision made based on a keen understanding of the ship's location and the current situation.  Automatic steering, often called autopilot, is a computerized navigation system that automatically maneuvers a...

List of Shipboard Drills and Their Frequency Schedules

by | Last updated May 21, 2024 | Maritime Safety | 0 Comments

Safety drills are regular practice exercises on board that ensure the crew's preparation and effective response during an emergency situation. Because these training exercises simulate real-life emergencies, vessel personnel can develop the muscle memory and critical...

Seaman’s Notes

Mariner’s Handbook

First Time Onboard? A Comprehensive Guide to Joining Your Ship

First Time Onboard? A Comprehensive Guide to Joining Your Ship

Last updated Mar 22, 2024

I recently received a comment from a reader about the embarkation process and how seafarers join their ships. His concern was valid, and I can relate to it, especially on my first contract as a cadet in the deck department. Do you know that...

38 Differences Between an LRIT and an AIS

LRIT and AIS have many differences, especially in their functions and the purpose of their installation. While both equipment are used for tracking vessels, they have stark contrasting features that set them apart. The way they handle data and the recipients of those...

What is an LRIT or Long-Range Identification and Tracking?

Unlike conventional navigational tools onboard, LRIT operates with a unique functionality.  Ships equipped with Long-Range Identification and Tracking system can transmit their identification and location data via satellite. However, they cannot receive the same...

How Echo Sounders Aid Seafarers in Navigation

An echo sounder is the only device on board that measures the depth of water below a ship's keel in real time. While seafarers must be aware of conditions on the sea surface, this sounding equipment allows them to know if the underwater terrain is safe for navigation....

20 Automatic Radar Plotting Aid (ARPA) Functions You Must Know

An Automatic Radar Plotting Aid or ARPA is an essential tool for deck officers navigating the seas. It's a mariner's best friend for enhancing situational awareness and collision avoidance by automatically tracking and displaying the movements of target vessels. But...