Error that can be introduced when not reading an instrument, such as a compass, directly from its front, due to the separation of the indicator and the scale being read.

Any object that a navigator may use to find his position, such as permanent land or sea markers, buoys, radiobeacons, and lighthouses.

ACRONYM - National Electrical Code

Same as "grab rope" (rope).

The area between opposing shipping lanes, restricted to most navigation except for crossing with caution

A container fitted with a solid removable roof, or with a tarpaulin roof so the container can be loaded or unloaded from the top.

Are categorized as internal or external heat reactivated. Internal type - Process air enters the dryer through the inlet piping, is then dried as it passes through the desiccant bed, and discharges through the outlet piping as dry air. Regeneration of the ...

An end closure for the filter case or bowl that contains one or more ports.

The ability of a filter to remove specified test contaminants under specified test conditions from a specific test fluid, air, gas or liquid. Expressed as a percentage of the quantity of test contaminant introduced into the inlet of the filter test system

40 cubic feet.

Space booked by shipper or charterer on a vessel but not used

Used in emergencies, this is a container which allows oil to drip into the sea in heavy weather. An oil slick is produced which prevents waves from breaking over the deck of a boat.

An object that might not allow safe operation. A group of rocks just under the water or a submerged wreck could be a navigational hazard.

Moving through the water.

Indicates the jib or staysail being boomed out on the opposite side of the mainsail in a following wind, giving a large amount of sail area presented to the wind. see Wing and Wing

The stay leading from the mast to the bow

A tiller that is designed to be used in the event that wheel steering fails.

Loaded with more cargo than a ship can safely navigate with. Drunk.

A letter of credit that allows the beneficiary to transfer in whole or in part to another beneficiary any amount which, in aggregate, of such transfers does not exceed the amount of the credit. Used by middlemen.

Strop inserted between two hawsers, and weaker than the hawsers, so that strop, and not hawsers, will part with any excessive strain.