Nautical

A fundamental skill of professional seamanship is being able to maneuver a vessel with accuracy and precision. Unlike vehicles on land, a ship afloat is subject to the movements of the air around it and the water in which it sits. Often another complicating factor is the mass of a ship that has to be accounted for when stopping and starting.

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- Most commercial vessels in excess of size limits determined by local authorities are handled by a 'Marine (or maritime) pilot. Marine pilots are seafarers with extensive seafaring experience and are usually qualified Master mariners who have been trained as expert ship-handlers. These pilots are conversant with all types of vessel and propulsion systems, as well as handling ships of all sizes in all weather and tidal conditions.