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.

Before you, you see my third article on pilot boarding arrangements. After my two previous articles
(‘1000 ways to secure a pilot ladder’ and ‘1000 ladders around’, I have received a lot of feedback and
also questions to get deeper into the matter of combinations and embarkation platforms.

With ships as large as 175 feet wide and a channel a maximum of 500 feet wide, how to you safely pass? Former Houston ship channel pilot, Lou Vest, explains how ships fight against hydrodynamics to pass with such narrow margins.
https://houstonmaritime.org

This publication (2024) details the rules, regulations and procedures that should be followed when preparing for pilot embarkation and disembarkation. It includes relevant excerpts from SOLAS regulations and IMO resolutions.

Over the past few years a number of pilot transfer accidents have occurred resulting from total failure of the side ropes, one school of thought is that the methods of securing a pilot ladder is a factor in such occurrences.

When publishing articles or pictures about pilots and their pilot ladders, very often we see the use of backpacks. The use of backpacks is controversial, since its weight, or buoyancy, can influence the functioning of the lifejacket used.

The Associated Federal Pilots in Metairie, La., has ordered a Chesapeake-class pilot boat from Gladding-Hearn Shipbuilding. The pilots’ first launch, built by the Massachusetts-based shipyard, is scheduled for delivery in July 2021.