Using pictures and sketches, this video finally explains the difference between gross tonnage (GRT) and net tonnage (NRT); the ship spaces that are included/excluded in their calculation; and the importance of these terms to ship owners.
Contents of this video will benefit mariners preparing for exams (written and oral examinations).

Another valuable explanatory video by Knud Benedict:
Zig-Zag-Test-Manoeuvre for Yaw Stability, IMO Manoeuvring Standards and Crash Stop

Lack of standard user interfaces across bridge equipment is a major concern for maritime safety. Pilots are in a unique position, as they are constantly exposed to new and differing bridge working environments, equipment, interface designs and combinations of systems. As pilots face this problem throughout every shift they need to put in considerable effort to adjust their work to the many user interfaces they meet.

Ships have reported an increasing number of cases of significant GPS interference and jamming in recent months. The geographic areas with more than one reported incident include the eastern and central Mediterranean Sea, the Persian Gulf, and multiple Chinese ports.

Pilot boat Hanakahi inbound to Pier 19, Honolulu Harbor. 18 July 2020.

Conversion work, designed and engineered by JMS Naval Architects, of Mystic, CT, has been completed of the former Oil Spill Response Vessel OSRV MAINE RESPONDER to a Pilot Station Vessel for United New York & New Jersey Sandy Hook Pilots Association.

Vos Pace is a Dutch registered ship being seen out by Puffin Pilot vessel at Great Yarmouth 8th June 2021. Vos Pace is 83m long and 18m wide and made in 2015. Puffin is as long as Vos Pace is wide at 18m and 4m wide itself
I run over and managed to grab some nove shots even though the sun was facing into camera some of the time. As Puffin came back it looked even better I thought.
Music by me.
Internet search 'Calvertfilm'.

The San Francisco Bar Pilots are one of the important cogs in our supply chain wheel. They are tasked with boarding the vessels eleven miles west of the Golden Gate Bridge via a rope ladder often in rough seas and taking control of the vessels en route to the Port of Stockton. Once on the bridge of the ship, the Pilot oversees navigation and ensures the safe passage of ships into the Bay and through the Delta until it is secured alongside its berth at the Port. Without these Pilots the...

Pilot onboard for Docking to Port of. Klaipeda Lithuania.
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