Electronic Chart Display and Information SystemBased on vectorial representation of features, this system is the best available as it can be coupled to many other devices. Unfortunately since the availability of GPS positioning many hydrographic informati ...

Molten or partially molten rock at temperatures ranging from 1,260 F to 2,880 F (700 C to 1600 C). Some magma bodies are believed to exist at drillable depths within the Earth's crust, although practical technologies for harnessing magma energy have not b ...

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A British Offshore Support Vessel Owners Association

The difference between the true value of some quantity and its observed value. Every observation is subject to certain errors. Systematic errors affect the whole of a series of observations in nearly the same way. For example, the scale of an instrument m ...

An area within the interior space of a building, such as an individual room(s), to be cooled, heated, or ventilated. A zone has its own thermostat to control the flow of conditioned air into the space.

An unusually strong wind. In storm-warning terminology, a wind of 34 to 47 knots (39 to 54 miles per hour or 62-87 kilometers per hour).

A boat in a dry dock.

Measuring point for compressor acceptance test. Pressure at the compressor inlet flange.

An increase or amplification. There are two general usages of the term in radar meteorology: (a) antenna gain (or gain factor) is the ratio of the power transmitted along the beam axis to that of an isotropic radiator transmitting the same total power; an ...

Calculated Carbon Aromacity Index. The CCAI is a calculated value originally intended to indicate the ignition properties or ignition delay of the fuel related to the viscosity and density. The CCAI gives no indication of the combustion properties. The C ...

Measuring point for compressor acceptance test. Amount of condensate collected in the air receiver.

Brake Horse Power.

Document that identifies goods imported when placed in a bonded warehouse. The duty is not imposed on the products while in the warehouse but will be collected when they are withdrawn for delivery or consumption.

Most common material is phenolic resin-impregnated laminated fabrics, such as asbestos or cotton cloth. For oil free service, bronze and carbon/graphite vanes are used.

Any wind blowing down an incline. If warm, it is a foehn. If cold, it may be a fall wind or a gravity wind.

A hull with the bottom section in the shape of a "V."

A hinged mast step located on deck. Since it is hinged, the mast may be raised and lowered easily.

When the terms and conditions of a charter party have been agreed, except few minor details.

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