Areas of corrosion. … [Read more...]

The inclination or vibration of the ship lengthwise about her centre of gravity; or the motion by which she plunges her head and after part alternately into the hollow of the sea. This is a very dangerous motion, and, when considerable, not only retards the ship's way, but endangers the masts and strains the vessel. … [Read more...]

The metal axle of a block upon which the sheave revolves. … [Read more...]

A power or sailing boat used by pilots (men who have local knowledge of navigation hazards of ports). … [Read more...]

Personal radio distress beacon for alerting and transmitting homing signals. … [Read more...]

Tanks in the forward and after ends of the vessel. The principal use of peak tanks is in trimming the ship. … [Read more...]

To slack out a line made fast on board (let it out slowly). … [Read more...]

Public address system: loudspeakers in the vessel's cabins, mess rooms, etc., and on deck through which important information can be broadcast from a central point, mostly from the navigation bridge. … [Read more...]

A journey from one port or place to another, as distinguished from the term "voyage" which refers to a ballast and loaded passage. Also sometimes called trip. … [Read more...]

To repeat an order for information to the crew. … [Read more...]