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.

A handy and simple tool to determine in a minimum time what is really needed as tug assistance, is the Bollard Pull Calculator which calculates in an approximate way the total required tug power for ships in various conditions of wind and current. This tool can be loaded as an app on the smart phone.

RINA ACT Technical Meeting
23 November 2021
Port Ash Australia: Ship Handling Training & Research Centre
By A. Beazley, Port Ash, Australia

The technology group Wärtsilä will supply a complete navigational simulator upgrade for the Le Havre pilot station in France. The intention is to provide the pilot station with a totally new simulator specifically adapted to the requirements of the pilots’ operations. The order with Wärtsilä was placed in February 2020.The new unique visualisation system to be supplied is based on 14 DP projectors, comprising seven main circular and seven ground projection systems. It features a panoramic 350-degree screen.

This video provides another possible physics that could also cause the Ro/Ro Ship Golden Ray to capsize in 2019 in a very benign environment. At the time of this video posted, Golden Ray salvage is still going on and the cost of this event was estimated to pass $3/4 billion so far.
The book info can be found at Faiteve inc
https://www.faiteve.com/

The latest summary from PTR Holland on the subject of pilot ladders. Here is the most important information on maintenance, use and replacement & insepection record book.

A Korean shipbuilder built the world's largest container ship. The shipowner is HMM, Korea's only ocean shipping company. This giant vessel is expected to provide a much needed momentum for the Korean shipbuilding and shipping industries struggling from the COVID-19 pandemic.

Safehaven Marine have just launched a new pilot vessel for Svitzer. ‘Svitzer Oued Martil’ is a new 15m Interceptor 48 Pilot for pilotage operations in Tangier,Morocco and is the third pilot boat we have supplied to Svitzer in Tangier, with the first and second pilot 48’s working successfully the past 3 years and represents Safehaven’s 47th pilot vessel delivered Worldwide.