When the water has large or breaking waves in stormy conditions.

A watch tackle (small, handy block and tackle for general use).

Said of a vessel when stopped and lying near the wind in heavy weather. See Heave To

Navigable channel.

(1) A body of salt water. A very large body of fresh water. (2) The condition of the water around a boat. Heavy seas for example.

This is a factor expressing deviation of a gas from perfect gas laws.

An absolute temperature scale. ((

To windward, in the direction of the eye of the wind; toward the wind; in the direction from which the wind is coming

A hand held pneumatic tool. Designed for light demolition work, digging, making holes etc.

Sling of various types used for lifting vehicles on to and off general cargo ship.s

To stand at the mast and pull down on a halyard as another crewmate winches it in.

A document prepared by the captain of a vessel on arriving at port; shows conditions encountered during voyage, generally for the purpose of relieving ship owner of any loss to cargo and shifting responsibility for reimbursement to the insurance company.

Costs that vary directly with the level of activity within a short time. Examples include costs of moving cargo inland on trains or trucks, stevedoring in some ports, and short-term equipment leases. For business analysis, all costs are either defined as ...

A rope net to catch the jib when it is lowered.

A sighting taken for celestial navigation at noon, when the sun is at its highest point in the sky.

Navigation and Inspection Circular (US Coast Guard)

A warning from aloft (heads up).

The International Convention for the Prevention of Pollution from Ships, 1973, as modified by the Protocol of 1978.

To remove or disassemble gear after it is used.