The ship that carries an admiral's flag.

An urgent message used on a radio regarding the safety of people or property. A PAN PAN message is not used when there is an immediate threat to life or property, instead the MAYDAY call is used. PAN PAN situations may develop into MAYDAY situations. As w ...

An expression of surprise or unbelief, as when a ship strikes a rock or shoal so hard that her timbers shiver.

Compression of a flat or standard bale of cotton to approximately 32 pounds per cubic foot. Usually applies to cotton exported or shipped coastwise.

The air compressor continues to run and air supply is matched to the demand by partial unloading. This can be accomplished by a regulator controlled floating inlet or by step unloading.

Difference between minimum and maximum pressures for an air compressor. Also called cut in-cut out or load-no load pressure range.

Progress backwards.

Cruising in shallow water and spending the nights in coves.

The act of calling for freight by truck at the consignor's shipping platform.

ACRONYM - British thermal unit. The amount of heat required to raise the temperature of one pound of water one degree Fahrenheit under set conditions of temperature and pressure.

A series of sound signals required by COLREGS to prevent collisions at sea.

Long-range navigation system that uses radio signals transmitted at specific times. An onboard receiver computes position by measuring the difference in time of signal reception. This system is being phased out in favor of GPS.

The passing of several turns of line across the jaw of a hook to prevent something on the hook, such as an eye or a line, from jumping clear.

A dynamic compressor. A machine in which air or gas is compressed by the mechanical action of rotating vanes or impellers imparting velocity and pressure to the air or gas. In a centrifugal compressor, flow is in a radial direction. Air enters the compres ...

Accumulation of foreign matter, such as mud or debris, in a cooler, pipe, or valve. In a cooler, H 2 O D P and D T will be seen to increase, as well as CTD.

The same as FOB named inland carrier, except the seller pays the freight charges of the inland carrier.

Loss of effective propeller thrust caused by the blades cutting across the column of water sucked along by the propeller instead of working in it. Can also lead to heavy vibration of the vessel.

Storing on land. Many small boats are placed in dry storage over the winter.

Estimated account

Shipments loaded and sealed by shippers and not checked or verified by the carriers.