United Nations

Best Manufacturing Practices.(US navy program).

Condition Assessment Program. Structural assessment program devised by the classification societies ABS, LR, DNV.

Inert Gas System

ZERNOCON. Old code name for charter parties relating to grain cargoes from Russian, Black sea and Azoff ports to UK. (Kerchove)

A medium-sized instrument shelter. It is a white louvered box with a flat double to of and is mounted four feet above the ground on a four-legged stand.

A generic term covering several processes applicable to steel that change the chemical composition of the surface layer by absorption of carbon, nitrogen, or a mixture of the two and, by diffusion, create a concentration gradient. The outer portion, or ca ...

The flow of air down a flue/chimney and into a house caused by low indoor air pressure that can occur when using several fans or fireplaces and/or if the house is very tight.

International Maritime Organization.United Nation agency created the 6 March 1948, located in London and taking care of all shipping matters.

Aluminium Alloy Pleasure Yacht.

The underside of the deck, viewed from below the ceiling.

The weight of oxygen taken up mainly as a result of the oxidation of the constituents of a sample of water by biological action; expressed as the number of parts per million of oxygen taken up by the sample from water originally saturated with air, usuall ...

A notched support for the boom when the sail is not raised. Unlike a gallows frame, a crutch is stowed when boat is sailing.

Cylinder.

Tall and short waves caused by water current and wave directions being opposite to the direction of the wind.

Wind with a speed below 1 knot (1 mph); Beaufort scale number 0.

A cleat that attaches to the backstay over the cockpit, usually used for hanging a lantern

American Institute of Merchant Shipping.

The heat liberated by the combustion of a unit quantity of a fuel under specific conditions; measured in calories.

On the deck (not over it - see ALOFT)