Video

How does GPS work?


published on 4 July 2019 326 -

by Casual Navigation
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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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Article e-book and international book order available: "Theory and Practices of Marine Pilotage" by Capt. Santosha K Nayak

published on 7 August 2020

This book was only available in some areas, now the author has created an e-book version. Furthermore it´s available on amazon as a paperback.

Completely new book on Ship manoeuvring techniques based on new revealing facts which have been brought to light. Must read for all the mariners to understand the behaviour of ships and how to control her behaviour during manoeuvring.

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Article Maritime Pilotage and Sustainable Seaport: A Systematic Review

by Seyed Behbood Issa-Zadeh & Claudia Lizette Garay-Rondero - published on 14 August 2025

Article by Seyed Behbood Issa-Zadeh & Claudia Lizette Garay-Rondero

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Video Stern-First Method for POD Ships –Practical samples starting with Twin screw followed by POD ships

published on 12 August 2022

Practical samples for manoeuvres for ships going astern - as Stern-First-Method SFM. Introduction using as sample from the Master Thesis by Karel Wiegert for an arrival manoeuvre of a cruise vessel in Southampton port with a Twin-screw vessel under strong current. The same manoeuvre with the same ship model was used to show the advantage of Fast Time Simulation FTS using the SAMMON Planning Tool. This goes much faster than the manoeuvres in the real time simulator - and it can even be...

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Video The difference between Gross Tonnage and Net Tonnage

published on 14 July 2020

Using pictures and sketches, this video finally explains the difference between gross tonnage (GRT) and net tonnage (NRT); the ship spaces that are included/excluded in their calculation; and the importance of these terms to ship owners.
Contents of this video will benefit mariners preparing for exams (written and oral examinations).

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Opinion The 2023 review of Pilot Transfer Arrangement Regulations, a chance for innovation?

by Herman Broers - published on 2 January 2023

In the spring of 2023, the IMO Sub-commission on Navigation, Communications and Search and Rescue (NCSR) may start a process of review and amendments to the SOLAS Ch V. reg 23

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Video Pemanduan, Kapal RORO Fajar Bahari VI, Stasiun Pandu Muara Jungkat, Tongkang bermuatan curah. (3)

published on 30 October 2020

Inbound Vessel Passing Jungkat Pilot Station. 

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Video Kaarstoe, Norway: Berthing at Jetty 2 of Gassco-Terminal

published on 14 June 2021

In this video you can see the modern port service provided by the port. They have big LNG Powered Tug, modern pilot boat, nicely laid out berth, and experienced/competent pilot.

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