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 Characteristic Diagrams for ship behaviour under Wind Impact

published on 12 April 2021

This movie shows how to create the Characteristic Diagram for Wind effect on ships and limits of steerability under strong wind. It uses the previous demos made with the SAMMON Planning Software on turning tendency of ships on straight track and in turning motion.

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Video Maritime Pilots' Institute

published on 4 July 2019

The Maritime Pilots Institute is the premier training facility for River Pilots employing a mix of virtual and real world facilities. Located in Covington Louisiana, we are 45 minutes from downtown New Orleans while offering the safety and amenities of small town life.
The training presents a balance between simulated locations with a variety of environmental conditions and manned scale models of cargo ships in a series of lakes with docking and currents and live factors such as wind and...

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Video Discussing video: Pilot Transfer to Ship by Helicopter

published on 3 June 2020

Let us see how a maritime pilot is transferred by helicopter to a ship. In this video, we discuss briefly some procedures in a helicopter/ship operation for the transfer of pilots.

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Article GPS (Part 2), physical and technical errors of GNSS - an error analysis

by Capt. Gunter Schütze, Thailand/Germany - published on 26 February 2020

In my announced sequel, the second part of GPS, it is primarily about the technical and physical operational and functional limitations to which GPS is subject. These limitations, in part, have serious implications for the accuracy of GPS, and even go as far as limiting the functionality of GPS in its functions or even making it impossible. In doing so,

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Article Study: increasing competition in ports and the underlying pressure

published on 2 October 2021

A study of increasing competition in ports and the underlying pressure to improve port performance. This thesis is the final deliverable for the completion of the degree of Master of Science in Transport, Infrastructure and Logistics (TIL) at the faculty of Civil Engineering and Geo-sciences at the Delft University of Technology.

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Article First investigation report of "Milano Bridge" Accident on April 6th 2020 in Busan

by Marine-Pilots.com - published on 13 May 2020

According to an article from "Safety at sea" the Korean Investigation Authority has published the first report about accident of container vessel "Milano Bridge" on April 6th 2020 in Busan.

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Video Pilot embarking and disembarking

published on 22 September 2020

timelapse of Pilot embarking and departing from Ship
#shorts

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