Opinion Bow Truster Effect on Ship's Headway

by Capt. Hugues Cauvier - published on 14 July 2022

When the bow thruster has been in operation for a while, pilots often notice that the ship not only turns but also gains speed. But why is this? Opinion by Capt. Hugues Cauvier.

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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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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.

Related content

Video Bow thruster effect on ship's headway 1

by Capt. Hugues Cauvier - published on 14 July 2022

What is causing the forward motion of a stopped vessel using continous bow thruster action?
by Capt. H. Cauvier

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Video Hugues Cauvier: Understanding the ship's pivot point (complete video)

by Capt. Hugues Cauvier - published on 3 September 2024

This video has been recut and edited by the creator Hugues Cauvier. Previously there were three episodes, which have now been combined into one.

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Video How to Launch a Pilot Boat–Behind the Scenes at Point Hope Shipyard

published on 20 June 2025

Welcome to Point Hope Shipyard in Victoria, British Columbia, Canada. In this video, I follow the float off of the Pacific Navigator, a hardworking pilot boat that serves the Port of Victoria and Ogden Point. We watch as the vessel is pulled along the marine railway, rotated on the turntable, and positioned onto the cradle. Once secured, the cradle lowers to float-off depth, and the Pacific Navigator fires up her engines for a short harbour spin before returning to duty. Some segments,...

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Article Origins of the IMPA pilot mark

by Kevin Vallance deep sea pilot and author - published on 24 October 2019

There are many things in both our everyday and professional lives which we take for granted and never question the origins of, an example of this might be the IMPA recommended ‘pilot mark or pilot line’, which is sometimes seen on the side of vessels indicating where a vessels freeboard exceeds 9 metres.

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Article London Pilots issue Quick Reference Guide for PTA’s

by Port of London Authority - published on 9 September 2024

London Pilots (PLA) have issued an excellent quick reference guide for Pilot Transfer arrangements, which can be used for pilots as well as ship’s crews. Please take not of this document and if you can, try to incorporate it into your procedures.

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Video How the MSC ZOE lost its containers (Simulation by Marin.nl)

published on 29 June 2020

Language ENGLISH!
MARIN has done model tests with a model of the msc Zoe in one of its test facilities, to find out what caused the msc Zoe to lose containers and how we can prevent this in the future.

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Article What is a pilot boat?

published on 9 January 2023

A pilot boat is a specialized vessel that is used to transport pilots to and from ships that are entering or leaving port. Pilot boats are typically small, fast vessels that are designed to operate in a variety of weather conditions and sea states.

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Video Rare 1865 Great Lakes Coast Pilot Restoration - Episode 1

published on 12 November 2020

Join Great Lakes maritime historian and antiquarian Brendon Baillod as he discusses the restoration and conservation of a rare and very early 1865 Thompson's Great Lakes Coast Pilot. Early coast pilot books were kept on every schooner and steamer and Lakes and contain important details about the history of harbors, navigation, obstructions and shipwrecks on the Lakes. This 1865 Thompson's is among the rarest and also badly in need of stabilization. Enjoy this two part series where this...

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Video Timelapse: ship departs Newcastle Harbour, NSW

published on 25 May 2020

Timelapse: watch our marine pilot assist the vessel Ocean Prometheus as it departs Newcastle Harbour, NSW ••• Port Authority of New South Wales manages the navigation, security and operational safety needs of commercial shipping in Sydney Harbour, Port Botany, Newcastle Harbour, Port Kembla, Eden and Yamba. With over 6,000 visits from trade and cruise vessels each year, the ports of New South Wales contribute billions of dollars to our economy; create thousands of jobs and support...

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Article Swift Action By UK Maritime Pilots Avoids Blocking Southampton Water

published on 31 January 2023

The United Kingdom Maritime Pilots Association (UKMPA), is the representative professional body for Maritime Pilots in the United Kingdom. Almost every ship entering or leaving a port, is required under UK law to engage a duly Authorised Maritime Pilot, who either boards the vessel in port or at sea and takes conduct of the safe navigation of that vessel. This undertaking is critical to protecting the country’s national infrastructure and environment from damage or pollution, supporting the UK’s economy, and ensuring the safe, timely and efficient movement of all trade.

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