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.

Recently, Herman Broers launched the website PilotladderSafety.com.
This website’s goal is to increase pilot ladder safety by showing good practice examples regarding the rigging and use of pilot ladder arrangements . Do it right the first time!

This video shows an introduction on the Pull-out Test-Manoeuvre and describes the procedure how to steer through this simple manoeuvre: Turning circle and then put the rudder amidships. The final rate of turn allows to identify stable and unstable conditions.

Footage of deep tanker Felicity navigating through the treacherous waters of the Port Philip Heads channel entrance.

Safe Passage in The Singapore Strait is a training package of two videos and an Interactive computer-based learning module produced by the maritime authorities of Indonesia, Malaysia and Singapore. The aim is to improve safe navigation in the Strait. It is distributed free of charge worldwide. Copyright is with the Maritime and Port Authority of Singapore (c) 2016.

Spektakulært forsøk. Vanskelig losoppdrag. Svært fartøy. Trang fjordpassasje. #Kystverket #lostjenesten #sikkerseilas/ Spectacular attempt. Demanding maritime pilotage. Huge vessel. Narrow passage. #norwegaincoastaladministration #safeseaways

A 42-years-old fisherman died after an accident at sea along the Navula passage in Momi Bay yester-day morning. Police spokeswoman said the victim was a passenger of a fishing boat.