Group of ships escorted along a stretch of water.

A chemical element that is a heavy strong smelling greenish yellow imitating gas used as a bleach, oxidizing agent and disinfectant. Found in some ambient air conditions.

Convention on International Regulations for Preventing Collisions at Sea; Rules of the Road. Internationally accepted rules by which vessels at sea must keep clear of each other.

the liquid that separates from a vapor during condensation.

A term used to describe an insurance policy in which a wide range of risks are.

The shaft input per unit of compressor capacity.

Pipe-bundle also called umbilical stalk, which bundles together different supply pipes like air, fresh water, electrical power, communicative signal pipes, through which the underwater working unit obtains the supplies from the base above water or underwa ...

A hand held pneumatic tool. Designed to chip masonry, plaster, concrete etc.

Seaman's name for the excitement on board as the ship approachs her destination, giving the crew some liberty ashore.

A table designated as the area in the boat where the navigator will study charts and plot courses.

Port/berth delays

This property of a gas is the weight of air or gas per unit volume. Unless specified, it refers in compressor practice to the weight per unit volume at conditions of total temperature, total pressure and composition which prevail at the compressor intake.

Limited Smooth Water Service.

The condition of the tide when there is no horizontal motion.

An oil-skin hat with broad rear brim.

An executive agency within the Inland Revenue. The Contributions Agency deals with all aspects of NI.

A stay from the stem of a boat to the end of the bowsprit used to counteract the upward pull of the forestay.

National flag or insignia flown by a ship at sea.

An auxiliary volume that may be opened to the clearance space for increasing the clearance, usually temporarily, to reduce the volumetric efficiency of the compressor.

A small double-pronged bendable pin used to secure a clevis pin or to keep turnbuckles from unwinding.