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.

We take a look at some of the dangerous ladder arrangements provided by ships when attempting to take maritime pilots on board. Our message is simple: if you are offered an unsafe or non-compliant ladder, do not board!

How GPS works? Trilateration explained

Nautical Institute webinar, 13:00 – 14:30 UTC on Thursday 31st March, 2022.

To minimize the risk of a vessel allision with a terminal gantry crane, the American Harbor and Docking Pilots Association recommends that all terminal operators with gantry cranes adopt the following Best Practices.

"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!"

Good news for pilot safety: As one of the leading shipping companies, MAERSK is now targeting the notorious "trapdoor arrangements". A corresponding notification to all the company's ships concerned was made public in the last few days.

NTSB issued an investigation report on the contact of tow William C with a Rock Island railroad bridge protection cell, on Des Plaines River, in January 2020. The investigation established that high speed prevented the pilot to correct the tow’s position after completing the transit through the previous bridge.