In a sailing ship carrying multiple masts, the mast set closest to the stern.

Self Discharging

Negligence or fraud on the part of the Master or crew resulting in a loss to the owners.

Moves anchors and tow drilling vessels, lighters and similar.

Bankers Automated Clearing Services BACS is an APACS clearing company which provides an automated clearing service for payments.

A hole in a tank, boiler or compartment on a ship, designed to allow the passage of a man for examination, cleaning, and repairs.

National Ocean Service (Part of NOAA)

A colorless gaseous compound of nitrogen and hydrogen used in refrigeration and in making of fertilizers and explosives. Found in some ambient air conditions.

Compartment in the stern of a vessel used for storage; a storage space below the deck in the cockpit.

United States Code

A counterclockwise change in wind direction. Backing winds with height are indicative of cold air advection (CAA).

An instrument which determines the altitude of an object with respect to a fixed level. There are two general types of altimeters: (a) the pressure altimeter, which gives an approximate measure of altitude from a pressure measurement and an assumed standa ...

A constant which describes the performance of a wind vane in response to a step change in wind direction. It is calculated from the relative amount of overshoot on two successive swings (half cycles) of a decaying oscillation. This specification is dimens ...

A turbine in which the flow of a steam or gas is essentially parallel to the rotor axis.

An income tax allowance to single people including widows/widowers, separated spouses etc who are.

Hydrographic Chart Raster Format

Power generated by a utility unit that operates at a very high capacity factor.

Winter North Atlantic

A unit of luminous intensity of a light source.

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.