The distance traveled after correction for current, leeway and other errors that may not have been included in the original distance measurement.

A control line, usually a multi-purchase tackle, secured to the boom to prevent it from lifting. Can also apply to other spars, such as gaffs.

Commission earned by a broker on both the sale and purchase.

A type of cooling-power anemometer based upon the principle that the time constant of a thermometer is a function of its ventilation.

Wind with a speed between 28 and 55 knots (32 and 63 mph); Beaufort scale numbers 7 through 10.

All the various sails carried on board a yacht.

see Monkey Jacket.

[meaning]

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

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 pneumatic hand held percussive drill designed as a boring tool.

Automatic Control system Certified for Unattended engine room.

To attempt to contact another boat or shore, either by voice or radio.

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 ...

An inert gaseous element.

A term for what frequently happened to Nantucket whalers when they left the whaling ship in a small boat to go after a whale. If they harpooned the whale without mortally wounding it, the animal took off with the whaleboat in tow.

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 ...

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

Actual Time Used To Count

Is a single shaft, positive displacement rotary compressor.