Seaman Memories
The best educational resource in the maritime field.
Recently Published
Seaman’s Notes
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...
What is an Automatic Identification System (AIS)? Best Explanation
An Automatic Identification System (AIS) is a maritime communication technology that enables the...
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...
How Do Seafarers Use an Echo Sounder for Navigation?
Aside from being aware of what's happening on the sea surface, seafarers must also know if the water...
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...
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...
Mariner’s Handbook
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...
Chief Engineer Duties, Responsibilities, and Salary
A Chief Engineer, also known as ChEng, C/E, or Chief, is the head of the Shipboard Engineering...
List of Medical Facilities & Practitioners Enrolled in MISMO 2024
As we all know, one of the requirements for processing our COP application in MISMO is a valid medical...