Video

How GPS works? Trilateration explained


published on 4 July 2019 184 -

How GPS works? Trilateration explained
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Article GPS (Part 1) - Structure, mode of operation, technical and physical fundamentals of GPS

by Capt. Gunter Schütze, Thailand/Germany - published on 30 January 2020

Of course, as a Nautical Specialist, I also deal with the international discussion on the advantages and disadvantages of satellite-based navigation, e-navigation and conventional terrestrial and astronomical navigation.

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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 GPS (Part 3) - Accidental interferences and intended Interferences by extern technical sytems

by Capt. Gunter Schütze, Thailand/Germany - published on 6 May 2020

The vulnerability of GNSS in shore-based use is definitely different and to be regarded as much more risky than on the high seas.

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Video Operation of POD Ships - Discussion on Efficiency comparing Conventional and IN-OUT POD strategy

published on 8 June 2022

In this movie the efficiency of two different pod operation strategies is compared: With azimuth propeller ships the Pods can be used in two ways to control the speed, e.g. for speed reduction: 1. by adjusting the engine orders, e.g. by reducing the RPMs to get lower speed - this means to drive the ship in the same conventional way as for twin screw vessels, 2. by turning both pods either in- or outward (TOE-IN or TOE-OUT) to reduce the forward thrust and therefore reducing the speed – the...

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Video OMC International DUKC® - Port of Melbourne

published on 14 October 2019

Footage of deep tanker Felicity navigating through the treacherous waters of the Port Philip Heads channel entrance.

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Video Pivot Point Specials 2 - position for ship moving ahead or astern

published on 12 May 2022

Another worthful video by Knud Benedict, Germany

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Article Navigation alternative in the event of GNSS failure due to jamming or spoofing

by TRENZ GmbH - published on 7 April 2025

What happens when GNSS fails? In maritime navigation, this isn’t a hypothetical scenario – it’s a growing risk. Spoofing, jamming, and GNSS outages are increasing, especially in the Baltic Sea region. A failure can cripple navigation systems – with potentially serious consequences.

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Article The NZMPA Good Practice Guide for Pilots 2021

published on 4 April 2022

The Good Practice Guide for Pilots 2021 describes the knowledge and skills (technical and non-technical) that the NZMPA believe all pilots should aim to achieve and maintain. It is written primarily for pilots for their own guidance and professional development, but can be used as a framework for pilot training, proficiency and assessment. It is referenced to NZ Maritime Law and Codes.

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Opinion What is the added value of pilotage?

by Ed Verbeek Nautical Consultancy and Training - published on 7 December 2020

The individual pilot operates as part of a pilotage organisation. And, as with so many things, the whole is (much) more than the sum of the parts ...

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Video Preparing a Pilot Ladder by vessels crew

published on 6 April 2021

A pilot ladder is a highly specialized form of rope ladder, typically used on board cargo vessels for the purposes of embarking and disembarking pilots.

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