Black diamond, ball, and cone shapes hoisted on vessels during the day to indicate restricted movement, ability, or type. For example three balls means aground.

Navigation and Inspection Circular (US Coast Guard)

To leave a ship without authority (deserting).

A rope net to catch the jib when it is lowered.

A canvas cover secured over a funnel when not in use. Sailor's headwear, woolen type, capable of covering the ears in cold weather.

United Nations EDI for Administration, Commerce and Transport. EDI Standards are developed and supported by the UN for electronic message (data) interchange on an international level.

A hand held pneumatic tool. Designed for light demolition work, digging, making holes etc.

An absolute temperature scale. ((

Pressure dew point temperature (

A support fixed on the front part of a chassis (which is retractable); used to support the front end of a chassis when the tractor has been removed.

An absolute temperature scale. The kelvin unit of thermodynamic temperature, is the fraction 1/273,16 of the thermodynamic temperature of the triple point of water. The triple point of water is the equilibrium temperature (0,01

(1) The distance that the wind and sea has to travel over open water unimpeded by land; the longer the fetch, generally the higher the waves. (2) Also to reach someplace, especially in adverse conditions. When sailing close-hauled, being able to arrive at ...

A loop shaped fitting attached to the deck, spar, boom, etc., used to secure a line or block to some part of the vessel.

Maintains and monitors radio, sends and receives messages. Often maintains electronic navigation. Latest replaced with certified GO (Deck officer)

A watch tackle (small, handy block and tackle for general use).

To let out a line or sail slowly; to slacken or relieve tension on a line; to take pressure off.

To prevent contact with an object while bringing the ship alongside.2. To push off when making a landing.

The International Convention for the Prevention of Pollution from Ships, 1973, as modified by the Protocol of 1978.

A term used to describe the hot gas pressure on the outlet side of the refrigeration compression.