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.

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

Training video II on the correct behaviour in case of man overboard

Case Study: An investigation into whether Port of Melbourne and major port user, ExxonMobil, could bring deeper drafted vessels into the channel.

Report by nC2 Engineering Consultancy at the University of Southampton on behalf of the International Maritime Pilots' Association (IMPA) to investigate the effectiveness and impact of different methods of securing pilot ladders in medium lengths in a laboratory-based project.

Pilotage is being able to navigate safely into and out of a harbour/anchorage/port knowing where you are at all times, where your hazards are and a safe route in/out. This is particularly useful if you are heading into somewhere new or a challenging/busy area – or both!

We continue to spotlight our marine services employees this #TransportMonth. Come spend A Day in the Life of Sipho Mnisi, Marine Pilot at the Port of Durban.
#MarinePilot #PortofDurban #ADayIntheLifeof #TransportMonth #SenzaKwenzeke #TransnetNPA

The Bahamas has imposed a compulsory maritime pilot rule for all vessels, including cruise ships, at its ports since September 2025.