Article A review of the ship’s pivot point: Science, Maths and Observation’ Where is the centre of a ship’s rotation?

by Tim Cummins, Harbour Pilot, Portsmouth International Port - published on 17 July 2020

This my attempt to do just that. This is a summary of all scientific papers and articles that I could find about the ship’s pivot point. I have added links to any videos associated with the publications and have also included any useful diagrams or equations that the authors published to help explain their research.

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Related content

Opinion Scientific Fact: The ‘traditional’ understanding of the ship’s pivot point is wrong!

by Tim Cummins, Harbour Pilot, Portsmouth International Port - published on 9 July 2020

In fact, the pivot point that we “see” is a trick of the eye, it looks like the ship is rotating about this point but in fact it is elsewhere, a point that you cannot see.

Opinion Example of a passage and berthing plan

by Marine-Pilots.com - published on 19 June 2020

As part of a good Master-Pilot exchange (MPX) the passage plan and berthing plan is discussed with the bridge team.

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Opinion A Corrected Version on Positioning of Pivot Point

by Capt. Santosha K. Nayak - published on 18 November 2020

Understanding the fundamentals of the pivot point is highly required for understanding the alteration of the courses. Pivot point is an imaginary point on the vessel which turns on a circular path on the perimeter of vessel’s turning circle when the vessel makes a turn. The knowledge about the position of the pivot point in a manoeuvring situation provides the ship handler with the information on the geometry of motion of the ship.

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Video Port Ash Australia: Ship Handling Training & Research Centre

published on 28 January 2022

RINA ACT Technical Meeting
23 November 2021
Port Ash Australia: Ship Handling Training & Research Centre
By A. Beazley, Port Ash, Australia

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Video Retired Houston channelpilot Lou Vest: "My Maritime Story"

published on 3 November 2020

Ships don't exactly have brakes. Lou Vest, a retired Houston ship channel pilot tells us about a close encounter between a ship and a barge.
https://houstonmaritime.org

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Article Future Tug Master Training

by Henk Hensen - published on 11 July 2023

The role of a Tug Master undertaking harbour towage activities is a very specific one. He/she has to, alone or in cooperation with other Tug Masters, assist a ship in a safe and efficient way using his/her tug to the best of its qualities. 

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Article Combinations Ladders: "1,000 combinations around" (by Arie Palmers)

by Arie Palmers, Netherlands - published on 13 July 2020

Before you, you see my third article on pilot boarding arrangements. After my two previous articles
(‘1000 ways to secure a pilot ladder’ and ‘1000 ladders around’, I have received a lot of feedback and
also questions to get deeper into the matter of combinations and embarkation platforms.

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Article Concept of Reskilling for Automation Collaboration in Maritime Piloting

published on 22 August 2022

Advanced automation has been highlighted as contributory to several accidents involving modern bridge support systems and automation aiding maritime pilots for maneuvering and navigation. This paper argues for reskilling for automation collaboration.

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Article Investigation report on the Kiel Canal lock collision of August 2020

published on 27 October 2022

The Federal Bureau of Maritime Casualty Investigation (BSU) hereby announces the publication of the Investigation Report No. 285/20 on 26 October 2022. The report deals with the contact of the multipurpose ship ELSE with a closed lockgate of the Kiel-Holtenau lock which occurred on 29 August 2020.

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Video Johor Port Berhad Pilot

published on 9 April 2021

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