How GPS works? Trilateration explained

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.

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,

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

Learn from other accidents. Watch an accurate reenactment of a collision involving an undisclosed VLCC tanker.
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Another valuable explanatory video by Knud Benedict:
Zig-Zag-Test-Manoeuvre for Yaw Stability, IMO Manoeuvring Standards and Crash Stop

Information video: How to become a Marine Pilot.

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

Award winning 15m wavepiercing pilot boat

Lately there has been a considerable increase in opinions of seagoing ship´s masters complaining about pilotage services, expressed whether as LinkedIn articles and comments or in some reputable industry magazines.