The typical winds for a particular region and time of year.

The frames or timbers of a ship as they rise from the keel to form the shape of the hull.

A white navigation light carried by vessels under way at night to indicate their presence and give an indication of their course.

A large body of water taken aboard (ship a sea).

Estimated account

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

Said of a boat which turns end over end in very rough seas.

Seaman's name for a reef knot tied upside down. also called a "granny" knot.

A business firm which sells its services to organizations which operate vessels

2,000 pounds.

An order to hold a vessel on the course she is heading.

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.

Charge made for local hauling by dray or truck. Same as Cartage.

Depending upon as a condition

A schooner with a square rigged sail on the forward mast.

Heavy-duty wire used to lower heavy instruments overboard from the trawl winch.

Maintenance performed after a machine has failed to return it to an operating state.

A name usually given to a State body having control or regulation of public utilities.

SOnar Navigation and Ranging - A device which emits pulses of high frequency sound which are reflected by any solid object they encounter. The time from the emission of the pulse and the arrival of its returning echo is measured, giving a range to the obj ...

The moisture content of air.