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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Video Why Do Ships Have Rope Ladders?

published on 4 February 2024

From "Casual Navigation": In this video, we investigate the Pilot Ladder. It is a crucial piece of equipment, used for embarking and disembarking a harbor pilot at sea.(contains advertising)

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Video SAMMON Intro Ships Manoeuvring Predictions

published on 11 July 2020

SAMMON Introduction into Ships Manoeuvring Prediction
- newly made Video to display the principles of SAMMON

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Video A conversation about the Jones Act

published on 13 January 2023

Jones Act conversation on KKCR-FM, hosted by Felicia Cowden, with guests Colin Grabow, Ed Enos, Jonathan Helton and Mark Coleman

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Article GPS interference and jamming on the increase

published on 2 October 2020

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.

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Video Cultura de Segurança e sistemas de PPU

published on 21 May 2021

Cultura de Segurança e sistemas de PPU (Portable Pilot Unit) Gustavo Martins presidente do CONAPRA (2015-2019)
***Publicado em Fevereiro de 2020***

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Video DanPilot's focus on digitalisation: Remote Piloting

published on 9 September 2024

European Maritime Days 2024: About DanPilot's focus on digitalisation and our two innovation projects in remote and drone-assisted pilotage as a supplement to traditional pilotage.

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Article Support hashtag #MarinePilots

by Marine-Pilots.com - published on 4 September 2019

To better bundle all articles and messages about Marine / Maritime Pilots I would like to suggest the Hashtag #MARINEPILOTS. We can use it well here on LinkedIn, but also for other social media like Twitter.

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