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 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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Article BVT Chartering und Logistics GmbH with tugboat captains and marine pilots for training in the NAUTITEC ship simulator

published on 26 April 2021

n preparation for future heavy load transports with the heavy load pontoon "BHV INNOVATION", BVT Chartering und Logistics GmbH were guests in the NAUTITEC ship simulator together with the Bremerhaven

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Article 1,000 ways to secure a Pilot Ladder

by Arie Palmers, Netherlands - published on 10 January 2020

From that moment on I have been keeping a tally of the non compliant boarding arrangements I see in front of me on a daily base, and off course I participate in the annual safety campaign, conducted by IMPA each october.

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Video How does GPS work?

published on 4 July 2019

by Casual Navigation

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Video SWATH vs. Mono Hull

published on 21 December 2019

Challenge between SWATH tender "DÖSE" and two 30m mono hull vessels in 2013.

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Video Submarine pilot boarding

published on 6 July 2019

Pilot boarding submarine HNLMS Bruinvis at North East Spit pilot station.
Pilot Captain Chris Renault.

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