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

For gauging purposes a transverse section including all longitudinal members such as plating, longitudinals and girders at the deck, side, bottom, inner bottom and longitudinal buklheads.

An electrical current that periodically reverses its direction. Standard in US and Canada is 60 cycles per second. Europe and other countries is 50 cycles per second.

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.

A journey made at sea by a vessel, usually including both the outbound and homebound passages.

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.

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

The compass points of North, East, South and West. Intercardinal or half-cardinal points are Southeast, Southwest, Northwest and Northeast

U.S. classification society which certifies seagoing vessels for compliance to standardized rules regarding construction and maintenance.

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 movable block and tackle used on board for a variety of purposes, including the handling of cargo in holds.

Said of a line that leads from its point of attachment towards the stern of the ship.

A line secured along the deck to lay hold of in heavy weather; a line thrown on board a wreck by life-saving crew; a knotted line secured to the span between life-boat davits for the use of the crew when hoisting and lowering

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

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

The direct sailing line in which a racing mark or buoy can be fetched while sailing the desired course

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.

(Compressors/Gas Turbines) Is an alarm system that has maybe 3 sensors connected to it and it will require minimum of 2 of the 3 to alarm before the alarm will act. There is a controller connected that does the logic decision based on set parameters.

A region of shallow water usually made of sand or mud, usually running parallel to the shore. Bars are caused by wave and current action, and may not be shown on a chart

A pear-shaped, grooved metal fitting around which an eye splice is made