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 How many Navy vessels are compliant to SOLAS ch.V reg23?

by Arie Palmers - published on 25 April 2022

A 1,000 Navy Vessels around... Quite often those vessels have the tendency of presenting themselves with a pilot transfer arrangement which is non-compliant.

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Article Webinar - Port & Pilot supplied ECDIS routes and passage plans

published on 29 January 2021

The Australasian Marine Pilots Institute is presenting a webinar via Zoom about ports providing ECDIS routes and passage plans to ships as part of the pre-arrival process.

It will take place on Thursday 11 February 2021 at 19:00 AEDT (08:00 UTC) and is free for AMPI/IMPA/UKMPA/NZMPA members. Non-members are also welcome to attend.

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Video S-102 Bathymetric Surface Product for a Safe Passage

published on 13 July 2020

Specialized training for maritime pilots
Quebec City, Quebec, Canada – June 23, 2020 – The Maritime Simulation and Resource Centre (MSRC), a world-class pilot simulation training and port feasibility studies facility, is pleased to announce the release of an informational video on the new S-102 standards on surface bathymetry products.
In the video, Captain Pascal Rhéaume, pilot and member of the technical committee for the Corporation of Lower St-Lawrence Pilots, an active stakeholder...

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Video How GPS works? Trilateration explained

published on 4 July 2019

How GPS works? Trilateration explained

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Video Australian Capital Territory Section Technical Meeting

published on 14 January 2022

Australian Capital Territory Section Technical Meeting
November 2021, online via Zoom

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Video Tug Girding

published on 30 November 2020

Between 2005 and 2018, the TSB received reports of 26 girding situations resulting in 21 capsizings. Girding occurs when a vessel is pulled broadside by a towline force and is unable to manoeuver out of this position. The TSB created this video to illustrate the factors leading to girding and the recovery methods.
The TSB would like to thank Ledcor Resources and Transportation Inc. for use of simulator training images in the girding video. We would also like to acknowledge the U.S....

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Video Short mooring at p.Sunila berth 1 rain, ice and wind. at berth 2 m/v Seeland also our company vessel

published on 26 January 2022

A short video, a rainy and windy day in the port of Sunila in Finland.

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