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 Hamburg Port Services is a new partner of Marine‑Pilots.com

published on 13 November 2020

Your Partner for maritime pilot trainings
Hamburg Port Services was based on an initiative launched by the Hamburg Harbour Pilots' Association and was founded on 19 August 2004. Our partner offers highly specialised shipping services. All experts have ...

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Article New book: The Situational Awareness & The Port Pilotage Services

published on 8 February 2021

Serkan Kahraman and Yusuf Zorba have published a new book for marine pilots. In this book, maritime pilots and shipmasters’ situational awareness levels have been analyzed using a bridge simulator system and the results have been obtained.

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Video Maritime Training: Pilot Ladders: Safe Rigging Procedures

published on 25 February 2020

Pilot transfer operations always involve risk, even when conditions are favorable. Learn the essential safety procedures involved in this operation.
Visit https://www.maritimetraining.com/Course/Pilot-Ladders-Safe-Rigging-Procedures to purchase the full-length version.

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Video Port Revel Ship Handling Training Centre

published on 24 October 2019

Port Revel is a ship handling training center for pilots, captains and officers. Unique in its kind, it allows to acquire new skills, to improve on different manned models at scale 1 / 25th.

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Video ETA and EMPA Efficient and safe towage operations

published on 31 August 2022

The European Tugowners Association in collaboration with the European Maritime Pilots Association has produced this informative video on efficient and safe towage operations. These guidelines address the main factors affecting the safety of harbour towage operations such as good communications between pilots, ship captains and tugmasters.

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Video What happens during a snapback event?

published on 18 February 2022

Case Study Video:
BHP - a global mining company and port owner – asked us to develop a test set-up to see what happens during a snapback event and evaluate their safety protection fence. The test data helped in the development of a safer protection fence and gave real insight into snapback behaviour.
Collaboration with BHP, Geobrugg and Wilhelmsen.

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