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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.
Video "Ship's Pilot" - A poem by Gaylen K. Bunker
published on 13 February 2020
Article New pilot boat "Stainsby" for PD Port (Teeport, UK)
by Marine-Pilots.com - published on 4 November 2020
Video You Won’t Believe How A Pilot Boat Is Hauled Out for Refit
published on 24 September 2025
The Pacific Guardian pilot boat is first seen in Victoria Harbour near Ogden Point before making her way to Point Hope Maritime Shipyard for a full refit. This video captures the entire move process, from the cradle lowering into the harbour, to the careful docking of the vessel, to her move across the turntable and onto the spur line. Some of the footage has been sped up, since the cradle lowering and lifting are slow, deliberate operations where every movement is checked and rechecked....
Video The Hair-Raising Career of a Chesapeake Bay Pilot
published on 15 September 2020
Article iHelm Decision Support for pilot boats for Sjöfartsverket
published on 6 July 2023
Video Self-righting test: PILOT62, 17m by Cheoy Lee Shipyards
published on 26 June 2021
Video Extreme scale model testing of the T-2000 hull design
published on 1 March 2023
We’re doing another day of testing with the self-propelled scale model of T-2000. Obviously the conditions here do comprehensively exceed the designs operational envelope, as in scale proportion to the model, the waves must be I guess around 10-20 metres in size. However it’s interesting to understand the designs ultimate limits. The model is built to a scale of fourteen to one, and this equals 20 metres in real life size. Later, by slowing down the video, so that it matches the speed of...
Video PSA Marine - Straits Piloting and Navigational Audit
published on 4 July 2019
In Singapore, only PSA Marine's Straits Pilots met the high standard certification criteria set by the Maritime and Port Authority of Singapore (MPA) and have been awarded with the Straits Pilot Certificate. Hence, only PSA Marine's Straits Pilots are certified to provide Voluntary Pilotage Services in the Straits of Malacca and Singapore.
Only PSA Marine can provide a seamless transit to/from the rendezvous point and any destinations in Singapore.
Since 2001, PSA Marine has been providing...