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.

Professor Patrick Hudson discusses safety culture and leadership.

The American P&I Club’s Loss Prevention team is dedicated to protecting the most valuable resource the maritime industry has – the human resource! Earlier this year, the Club hosted local Members, pilots, and industry experts in New York City for a round table discussion entitled “Safe Boarding of Vessels”. Participants discussed boarding procedures and boarding equipment on various types of vessels and solutions for reducing the risk of slips, trips and falls.
In this video, Danielle...

On April 20, 2026, the Columbia River Bar Pilots conducted a MOB drill with the U.S. Coast Guard Station Astoria.

Article by Seyed Behbood Issa-Zadeh & Claudia Lizette Garay-Rondero

It is not often that this blog is used to show bad practice, however in this case some pictures tell a whole story. Ship is compliant by design for rigging a combination. How about the operator(s)?

Awesome video from Puget Sound.