Video

The difference between Gross Tonnage and Net Tonnage


published on 14 July 2020 988 -

Found on YouTube. Created by "Steering Mariners".
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).
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Article GPS (Part 2), physical and technical errors of GNSS - an error analysis

by Capt. Gunter Schütze, Thailand/Germany - published on 26 February 2020

In my announced sequel, the second part of GPS, it is primarily about the technical and physical operational and functional limitations to which GPS is subject. These limitations, in part, have serious implications for the accuracy of GPS, and even go as far as limiting the functionality of GPS in its functions or even making it impossible. In doing so,

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Video Presenting OpenBridge Design System at DSD2020 in Oslo

published on 6 May 2020

I recently presented the OpenBridge design system at the Design System Day 2020 in Oslo. I talked about what OpenBridge is, how it differs from other design systems and where we are heading.
The conference was moved online due to the Corona virus, so I had to record the presentation using my mobile phone, and get Jon Olav from the lab to add the slides. So - apologize for the home quality of the presentation, but I hope you enjoy learning more about our work!
Since we launched the free...

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Article Shipping Industry Guidance on Pilot Transfer Arrangements, Version 3

published on 13 January 2022

This guidance is intended to remind seafarers and companies of the vital importance of adhering to the rules and established procedures concerning the provision of safe boarding arrangements for pilots.

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Video Spiral-Test -Manoeuvre for detailed identification of Yaw Stability using Samples of Cruise Ship

published on 29 September 2021

This video shows an introduction on the Spiral-Test-Manoeuvre and describes the procedure how to steer through this manoeuvre and measure the data needed. The results will be displayed in a characteristic diagram allowing to identify stable and unstable conditions and related, detailed information, e.g. spiral loop width and height, rudder angle of neutral effect. Samples of stable and unstable ship behaviour demonstrations will be shown by Fast Time Simulation using the SAMMON Planning tool.

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Article Report: Securing of pilot ladders at intermediate lengths – testing

by nc2 Engineering Consultancy - University of Southhampton - published on 28 July 2023

Report by nC2 Engineering Consultancy at the University of Southampton on behalf of the International Maritime Pilots' Association (IMPA) to investigate the effectiveness and impact of different methods of securing pilot ladders in medium lengths in a laboratory-based project.

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Video OXE Marine in Indonesia

published on 13 May 2025

Pilot boat with over 2000 engine hours of operation in tough operating conditions.
OXE Marine brings its high-performance, fuel-efficient diesel outboards to Indonesia, offering a sustainable and reliable solution for commercial marine operations.

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Video Pilot Boat Orion

published on 27 November 2020

Watch Orion, one of the two new boats of Jacobsen Pilot Service in Long Beach, Calif. in action. Designed by Tim Nolan Marine Design of Port Townsend, Wash., these boats with waterjet propulsion were built from composite materials at Nordlund Boat Company in Tacoma, Wash. Video courtesy of John Harris.

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Video AIS Track CMA CGM MISSOURI grounding in Suez Canal on Oct. 14 2020

published on 16 October 2020

Container ship CMA CGM MISSOURI ran aground in Suez Canal while transiting in southern direction, at around 0930 UTC Oct 14. As of 1745 UTC, probably refloated or moved, several Suez Canal tugs attending. Traffic probably suspended, but it’s not confirmed. No information on what caused grounding.
Container ship CMA CGM MISSOURI, IMO 9679919, dwt 115600, capacity 9448 TEU, built 2016, flag Liberia.
Thanks to Marine Traffic and Nolan Dragon.

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Video Pilot cutter transfer journey in force six winds

published on 27 April 2020

Estuary Services crew Andrew Howland (coxswain) and Wayne Goldfinch (deckhand) transferring PLA pilot, Stephen Ford on an approx. eight-mile trip from Ramsgate to board the tanker Songa Breeze at the NE Goodwin pilot boarding ‘diamond’. Departing at 0955 on 20 April 2020, they steered an easterly course to reach the ship by 1030. Weather: wind North Easterly F6, sea state moderate to rough, visibility 10 nautical miles. Footage: ESL Edit: Theo Albanis, Port of London Authority Music:...

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