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 ...

A V-shaped chain, wire, or rope attached to a vessel being towed to which the towline is connected.

A light triangular or quadrilateral sail set over a gaff.

Any sailboat with a four-sided mainsail, defined by two booms, one located on the bottom, perpendicular to the mast, and another, located on top, at an angle from the mast.

[meaning]

Jettisoned goods that cast overboard and are buoyed for subsequent recovery.

A structure for impeding and controlling the flow of water in a water course, and which increases the water elevation to create the hydraulic head. The reservoir creates, in effect, stored energy.

For company pension schemes, an employee may retire at an early age provided it is authorised by the.

[meaning]

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 ...

Buoy at seaward end of channel leading from a port.

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

A device worn around a person's body that can be tethered to jack lines to help prevent a person from falling overboard.

A deposit resulting from the oxidation and polymerization of fuels and lubricants when exposed to high temperatures. Similar to, but harder, than varnish.

A type of directional antenna used on some types of radar and radio equipment consisting of an array of elemental, single- wire dipole antennas and reflectors.

A British Offshore Support Vessel Owners Association

Segregated Ballast Tanks

Towing and Anchor Handling Purposes.

Ministry of Agriculture, Fisheries and Food

Quality System Certification System.