An enclosed area on a tank vessel which houses main and stripping cargo pumps, ballast pumps, educators and the associated piping and valves necessary for their operation. … [Read more...]
Notice of Protest
A letter issued by any participant in a voyage citing any condition with which issue is taken. This serves as a written record that the particular action or finding was questioned at the time of occurrence. For example a declaration made by the Master before a notary public or consular official when through stress of weather, there has been or the master fears that there might have been, damage to the vessel or cargo. Copies are frequently demanded by insurance underwriters in the event of a claim. … [Read more...]
Prolonged blast
A blast of from 4 to 6 seconds' duration. … [Read more...]
Primary swell
The swell system having the greatest height from trough to crest. … [Read more...]
Pressure/Vacuum Valve (P/V Valve)
An automatic dual purpose valve, commonly fitted in the vent lines of tankers. When in the closed position, the function of this valve is to relieve either pressure or vacuum in a tank. When in the open position it allows the passage of air or vapor into and out of the tank. … [Read more...]
Pratique
A permit by the port doctor for an incoming vessel, being clear of contagious disease, to have the liberty of the port. … [Read more...]
Pouring oil on troubled waters
The heavy-weather practice of pouring oil on the sea so as to form a film on the surface, thus preventing the seas from breaking. To smooth out some difficulty. … [Read more...]
Position
A geographical location normally expressed in degrees and minutes of latitude and longitude. … [Read more...]
Porthole
a small window on the outside of a ship, usually each cabin has at least one porthole. … [Read more...]
Port State
A state that has ports to which ships call. The port state makes regulations the calling ships must adhere to. The port state control is the controlling authority of the port state on shipping such as the coast guard or naval authorities. … [Read more...]
