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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 SImulator Training

published on 2 February 2022

Practicing in the new port before we have todo it for real.

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Article What is a Portable Pilot Unit (PPU)?

by TRENZ GmbH - published on 1 April 2024

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Video Education: Effect of Drift Force and unstable moment

published on 20 June 2024

SAMMON Lecturing Video describing
"Effect of Drift Force and unstable moment"
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SAMMON - the IDEAL tool to identify manoeuvring capabilities of a ship - SAMMON - learning the EFFECTIVE way

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Video Pivot Point Demo - HS Wismar

published on 10 July 2020

SAMMON Lecturing Video describing
"Pivot Point Demonstration"
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SAMMON - the IDEAL tool to identify manoeuvring capabilities of a ship - SAMMON - learning the EFFECTIVE way

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Video Physical Pilot Ladder Simulator (Chile)

published on 2 January 2020

This video has already been published for the first time in 2020. Please also note the second, more recent video in the appendix. This physical ladder simulator was designed for crew training in the ladder arrangement and for all the users especially for pilots.

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Video Ghana's first female Marine Pilot

published on 19 October 2022

TV3'S JOSEPHINE FREMPONG tells the story of ghana first female marine pilot flying high the flag of Ghana.
the FIRST FEMALE PILOT to brave all odds and beat the men to it.

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Video MS Westcott servicing the Algoma Harvester - Detroit River

published on 30 September 2022

Taken from aboard the MS Westcott Pilot Boat this is the Algoma Harvester receiving mail on the Detroit River as they head downbound in the early evening hours of September 2nd, 2022
I had just been in Cleveland OH for the christening of the Mark W Barker the newest ship for the Interlake Steamship Company and left there on the 2nd to go to Toledo and see the National Museum of the Great Lakes and then I continued on to Detroit where I made this stop at the JW Westcott Company and met up...

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