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.

A unique 3D video endeavoring to raise the awareness of the seafarers about a very important, critical, and essential piece of equipment on board. Basic in design, but high on purpose, the mistakes incorrect handling of this equipment continue to result in Near Miss, Incidents and accidents.

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

The Bollard Pull value, which can be interpreted as the maximum thrust that is developed for a specific amount of time by the propulsion systems of any vessel to the fullest , when it has zero speed in the forward direction, is the criterion that allows us to understand how suitable a tugboat is for a port maneuver or a towing operation.

Maritime pilots work in an irregular deployment system (rotation system) with unpredictable work assignments under high levels of physical and mental stress. Fatigue or chronic diseases, e.g. coronary heart disease, peptic ulcers or gastritis can occur as a consequence.

Correct method of rigging pilot ladder explained.
As explained, a large number of reports related to the use of pilot ladders which are too long relative to the vessel’s draughts. As a result, the excessively long ladders require shortening up before being deployed for boarding pilots. In these cases, ship crew shortens the pilot ladders, using D-shackles to choke the side ropes at the required height along the ladder’s length. In this method, the D-shackle is first secured to a hard point...

Chief officer of bulk carrier İNCE EGE fell into water from pilot ladder while trying to read draft marks at Taman port, Russia, Black sea, understood early in the morning Feb 4, at nigh time.