A term primarily used in Europe to describe galvanic corrosion between dissimilar metals.

An ice coating with a consistency intermediate between glaze and rime.

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

Radio Direction Finder

Heat exchangers for cooling air or gas discharge from compressors. Designed to reduce the temperature and liquefy condensate vapors. Both air cooled and water cooled units are available.

A large circular ocean current.

A small balloon used to determine the height of the cloud base. The height can be computed from the ascent velocity of the balloon and the time required for its disappearance into the cloud.

Gross Standard Volume

The cone-shaped shield at the top of the smokestack.

In navigation, the angle between the point at which the sun rises and sets and the true east and west points of the horizon.

Wireless device used to report trades and quotes to the market data system. Also used for.

For the purpose of the Code all sound which can result in hearing impairment, or which can be harmful to health or be otherwise dangerous.

Corrosion effect on a metal per unit of time. The type of corrosion rate used depends on the technical .system and on the type of corrosion effect. Thus, corrosion rate may be expressed as an increase in corrosion depth per unit of time (penetration rate, ...

The transformation on a compound or material into one or more substances by heat alone (without oxidation). Often called destructive distillation. Pyrolysis of biomass is the thermal degradation of the material in the absence of reacting gases, and occus ...

The maximum credit an individual may secure from his/her.

An electronic communications or direction finding system which uses Very High Frequency radio waves. VHF radios are the most common communications radio carried on boats, but their range is usually limited to line of sight between the transmitting and rec ...

See Ship's Port Agent

The maximum difference in output for any given input (within the specified range) when the value is approached first with increasing, and then with decreasing, input signals. Caused by energy absorption in the elements of the measuring instrument. Usually ...

The weight of a material per unit of volume compared to the weight of the same volume of water.

(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.