A general term to designate apparatus designed to observe the details of weather during thunderstorms.

Machinery other than main propelling machinery that is in service when the ship is in normal service, e.g. auxiliary diesel engines, turbogenerators, hydraulic motors and pumps, compressors, boiler ventilation fans, gear pumps.

Hague-Visby Rules

Seawater containing a higher concentration of dissolved salt than that of the ordinary ocean.

For a given cloud or cloud laver. the lowest level in the atmosphere at which the air contains a perceptible quantity of cloud particles.

The amount of interest due on bonds and dividends due on cumulative preferred stock but as yet.

That fraction of annual energy demand supplied by a solar system.

Abbreviation for "Just In Time." In this method of inventory control, warehousing is minimal or nonexistent; the container is the movable warehouse and must arrive "just in time;" not too early nor too late.

Efficient Deck Hand.

One man Bridge Operation

To cast overboard or off. To discard something as unwanted or burdensome. Goods or equipment may be jettisoned to lighten a ship in danger.

National Oceanic and Atmospheric Administration, Department of Commerce

(1) Describing a boat that lacks stability. (2) A small dinghy or launch used to transport crew and equipment from shore to a larger boat (3) One who serves as a precautionary standby, such as a line tender

A Sunshine recorder of the type in which the time scale is supplied by the motion of the sun. The instrument, which is pointed at the celestial pole, consists of a hemispherical mirror mounted externally on the optical axis of a camera. The lens of the ca ...

Port Billing Rate.

To drive before a gale, with no sail, or only enough to keep the vessel ahead of the sea. Also, low, thin clouds that fly swiftly before the wind.

An insulation product composed of loose fibers or fiber pellets that are blown into building cavities or attics using special pneumatic equipment.

A single turn of line around an object with the end being led back through the bight. It's the basis upon which many nautical knots are contructed.

International Longshoremen's Association

An instrument which indicates the presence of precipitation. The ombroscope consists of a heated, water-sensitive surface which indicates by mechanical or electrical techniques the occurrence of precipitation.