ACRONYM - National Pipe Thread standard. A description of a specific pipe thread

Power as calculated from compressor-indicator diagrams.

Category of bulk carrier 100.000-180.00DWT so called she is too large to pass Suez and Panama Canals.

Flow of air under specific conditions required at a particular point.

The stay that the jib is hoisted on. Usually the headstay.

A method of lowering the sail in sections so that it can be reefed quickly.

The merchant ships on the official registers of any nation.

A new letter of credit issued to another beneficiary on the strength of a primary credit. The second L/C uses the first L/C as collateral for the bank. Used in a three-party transaction.

A triangular fore-and-aft sail carried on a stay. A sail that is set on a stay, and not on a yard or a mast. On a cutter this is the sail located between the jib and the main sail

A cap for the top of the mast.

The command given to inform the crew that the helm is being turned quickly to leeward, turning the boat windward

A wind shift that allows a boat to sail above its mean wind course.

Atmospheric pressure as measured by a barometer.

Sailing other than close; hauled or into the wind (wind astern).

The first plank on the outer hull of a wooden vessel next to the keel. In steel ships, the plating next to the keel, or what is known as strake A.

Measure of alkalinity or acidity in water and water containing fluids. Can be used to determine the corrosion inhibiting characteristic in water based fluids. Typically, pH > 8.0 is required to inhibit corrosion of iron and ferrous alloys in water based f ...

Ribbon, yarn, or other lightweight material attached to rigging or sails to indicate wind action or direction. Proper use of the telltales can help sailors improve their sail trim.

The position of a flag when lowered halfway down.

A soft, cylindrical fabric bag for clothes and personal possessions

The drying of compressed gases other than air. Equipment size, choice of materials and other specifications may be decidedly different for drying gases other than air because of the specific properties of the gases. Properties include specific gravity, sp ...