With the increasing accuracy and reliability of navigational receivers, this part of the video module will try to establish a better understanding of the mathematical definition of the Earth’s surface and mapping of this curved shape onto a plane surface. Chart Projections and Chart Accuracy https://youtu.be/kOaWimnAN-U Principle Used For Creating Electronic Charts https://youtu.be/xY_MBubhUFs Display of Electronic Charts https://youtu.be/qnoFO0T-cLo Route Planning With ECDIS https://...
Required tug power and number of tugs needed in variable conditions of wind, current and waves isin most cases an assessment made by pilots based on their professional experience. However, assessments will raise questions by lawyers if something goes wrong. They will use tools to calculate what really is needed with respect to tug power and number of tugs. They have furthermore the advantage of time.
The Virginia Pilot Association has taken delivery of a Chesapeake Class MK II launch from Gladding-Hearn Shipbuilding, its ninth pilot boat built by the Somerset, Mass., shipyard since 1983.
Since the Chesapeake Class pilot boat was introduced by the Somerset, Mass., shipyard in 2003, 22 boats have been delivered to 11 pilot associations throughout the United States.
