Seaman Memories
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Seaman’s Notes
6 Most Commonly Used ICS Flag Signals On Ships
Flag signals are one of the visual communication methods that many merchant vessels use today. Whenever...
Identifying Ship’s Lights, Shapes, and Sound Signals
While many ships today upgrade their navigational tools to the latest technology, knowing the lights,...
I Wrote a Message In a Bottle & Released It in the Middle of the Atlantic Ocean
I actually wrote three. But I don't know if the bottles or the messages inside survived. The bottle...
First Time Onboard? A Comprehensive Guide to Joining Your Ship
I recently received a comment from a reader about the embarkation process and how seafarers join their...
38 Differences Between an LRIT and an AIS
LRIT and AIS have many differences, especially in their functions and the purpose of their installation....
What is an LRIT or Long-Range Identification and Tracking?
Unlike conventional navigational tools onboard, LRIT operates with a unique functionality. Ships...
What is an Automatic Identification System (AIS)? Best Explanation
An Automatic Identification System (AIS) is a maritime communication technology that enables the...
10 Facts About Dali, The Container Ship That Hit Baltimore Bridge
Dali is a 300-meter container vessel that collided with the Francis Scott Key Bridge in Baltimore,...
Understanding the LRIT System Architecture & the Flow of Data
The LRIT system architecture might seem like technical jargon for seafarers, but its basic knowledge...
Mariner’s Handbook
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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...
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...
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...