How does GPS work?

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.

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

Another great education video by Knud Benedict (Germany): Practical experiments for getting useful data for planning.

Ships don't exactly have brakes. Lou Vest, a retired Houston ship channel pilot tells us about a close encounter between a ship and a barge.
https://houstonmaritime.org

Managing the Attributes of Pilot Errors in the Process of Redevelopment of Marine Pilot Reliability Index MPRI): A Systematic Literature Review

"Person over board - all pilot boat crewmembers and pilots should be trained in recovery as realistic as possible. Don’t wait for a real emergency to find out that something doesn’t work as intended!"

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

Going down the accommodation ladder with neither lifevest nor safety line must have been based on similar, past, successful operations, which may have never been challenged on board. This ‘slippage’ in safety is a pernicious and common phenomenon.