The line that controls the angle of the mainsail in its relation to the wind.

A brand of lightweight anchor. It has pivoting flukes that dig into the ground as tension is placed on the anchor.

A threaded, adjustable fitting, used for stays, lifelines and sometimes other rigging. It is used to to maintain correct tension on standing rigging. Can also be used to pull objects together.

The vertical barrel device used to heave in cable or lines.

An electronic communications or direction finding system which uses Very High Frequency radio waves. VHF radios are the most common communications radio carried on boats, but their range is usually limited to line of sight between the transmitting and rec ...

Navy term meaning Officer of the deck.

Inlet butterfly valve. These are fitted on the inlet of most types of compressor and the valve opens and closes to throttle the air flow. However, the term IBV is usually associated with turbo compressors.

Sails, such as the spinnaker, reacher and reaching staysail used when running or reaching

A component on a compressed air line that provides wide are coverage with a thin sheet of air. Also amplifies compressed air flow, reduces noise. Used in blowing, cooling. Also known as air knife.

A large circular ocean current.

The total price to move cargo from origin to destination, inclusive of all charges.

On square-rigged ships, a form of ceremonial salute to honor the visit of a high official. The yards were lined by men standing upon them, and there was also a man standing on the truck of each topgallant mast.

Also known as a steaming light. The masthead light is a white light that is visible for an arc extending across the forward 225

A gun used in the life-saving services to throw a life line to a ship in distress or from ship to shore and used when a boat cannot be launched.

See Ship's Port Agent

A short oar. To scull, is to impel a boat by one oar at the stern.

A light showing an unbroken light over an arc of the horizon of 360 degrees. An anchor or riding light is an all-round light.

Instrument for establishing the altitude and azimuth of stars and planets.

Japanese tapered pipe thread (Male).

In the Far East, a warehouse where goods are stored and delivered.