An instrument for measuring electrical current in amperes.

Transportation Research Board

The act if striking or collision of a moving vessel against a stationary object.

Merchant Marine Personnel Advisory Committee

That time during which weather that prevents working shall not count as laytime

A self regulated London exchange serving world wide interests. It is the world's premier maritime.

A computed characteristic of a particular river basin, expressed as the time difference between the time-center of mass of rainfall and the time-center of mass of resulting runoff.

An air pollution control device used to filter particulates from waste combustion gases; a chamber containing a bag filter.

The reply to an officer's order signifying that he is understood and will be obeyed (I understand).

Peru (Flag)

A type of radiant heating system where the radiator is located along an exterior wall where the wall meets the floor.

A light line with a weight on the end used for heaving from ship to shore (or ship to ship) when coming alongside. A heavier cable or hawser is attached which can then be hauled over using the heaving line.

York-Antwerp Rules 1950 Rules to settle General Average claims. Their use is normally stipulated in the B/L or C/P.

Removal of dissolved mineral matter, generally from water.

To hold the mainsail or jib off to the side to cause the wind to blow onto the backside of the sail, used to slow a boat

Power generated by a utility unit that operates at a very high capacity factor.

The incremental cost to an electric power producer to generate or purchase a unit of electricity or capacity or both.

Self Discharging

The total pressure measured from absolute zero ( i.e., from an absolute vacuum).

A special form of the aspiration psychrometer. developed by Assmann, in which the thermometric elements are well shielded from radiation. Psychrometric measurements may be taken with the instrument in the presence of direct solar radiation.