- amidships
means at the middle of the length (L);
- Annex I
means Annex I to the Convention (which sets out regulations for the prevention of pollution by oil);
- anniversary date
means the date in each year corresponding to the date of expiry of the IOPP Certificate or UKOPP Certificate;
- approved
means approved by the Secretary of State or by a Certifying Authority specified in Merchant Shipping Notice M.1645 in relation to any equipment or arrangements;
- breadth
(B) means the maximum breadth of the ship, measured amidships to the moulded line of the frame in a ship with a metal shell and to the outer surface of the hull in a ship with a shell of any other material, measured in metres;
- central tank
means any tank inboard of a longitudinal bulkhead;
- Certifying Authority
means the Secretary of State or any person authorised by the Secretary of State and includes in particular (if so authorised) Lloyd’s Register of Shipping, the British Committee of Bureau Veritas, the British Committee of Det Norske Veritas, the British Committee of Germanischer Lloyd, and the British Technical Committee of the American Bureau of Shipping;
- chemical tanker
means a ship constructed or adapted primarily to carry a cargo of noxious liquid substances in bulk and includes an oil tanker when carrying a cargo or part cargo of noxious liquid substances in bulk;
- clean ballast
means the ballast in a tank which, since oil was last carried therein, has been so cleaned that the effluent therefrom, if it were discharged from a ship which is stationary into clean calm water on a clear day would not produce visible traces of oil on the surface of the water or on adjoining shorelines or cause a sludge or emulsion to be deposited beneath the surface of the water or upon adjoining shorelines.
- combination carrier
means a ship designed to carry either oil or solid cargoes in bulk;
- controlled waters
means the waters specified as areas within which the jurisdiction and rights of the United Kingdom are exercisable by the Merchant Shipping (Prevention of Pollution) (Limits) Regulations 1996;
- Convention country
means a country which is a Party to the Convention;
- crude oil
means any liquid hydrocarbon mixture occurring naturally in the earth, whether or not treated to render it suitable for transportation, and includes— (a) crude oil from which certain distillate fractions may have been removed;
- crude oil tanker
means an oil tanker engaged in the trade of carrying crude oil;
- deadweight
(DW) means the difference in metric tons between the displacement of a ship in water of a specific gravity of 1.025 at the load waterline corresponding to the assigned summer freeboard and the lightweight of the ship;
- existing oil tanker
means an oil tanker which is not a new oil tanker as defined in paragraph (1).
- flag state
means the state whose flag a ship is entitled to fly;
- foreign company
means a company or body which is not one to whom any of the following provisions applies— so as to authorise the service of the document in question under any of those provisions.
- from the nearest land
means from the nearest base-line from which the territorial sea of any territory is established in accordance with the United Nations Convention on the Law of the Sea;
- Government ship
has the same meaning as in section 308(4) of the Merchant Shipping Act 1995;
- GT
means gross registered tonnage and the gross registered tonnage of a ship having alternative gross registered tonnages shall be taken to be the larger of those tonnages;
- harmful substance
means any substance which, if introduced into the sea, is liable to create hazards to human health, to harm living resources and marine life, to damage amenities or interfere with other legitimate uses of the sea, and includes oil;
- instantaneous rate of discharge of oil content
means the rate of discharge of oil in litres per hour at any instant divided by the speed of the ship in knots at the same instant;
- length
(L) means 96 per cent of the total length on a waterline at 85 per cent of the least moulded depth measured from the top of the keel, or the length from the foreside of the stem to the axis of the rudder stock on that waterline, if that be greater.
- lightweight
means the displacement of a ship in metric tons without cargo, fuel, lubricating oil, ballast water, fresh water and feed water in tanks, consumable stores, and passengers and crew and their effects;
- major conversion
means a conversion of an existing ship— (a) which substantially alters the dimensions or carrying capacity of the ship;
- Marine Safety Agency
means the Marine Safety Agency of the Department of Transport;
- Merchant Shipping Notice
means a Notice described as such and issued by the Marine Safety Agency;
- mile
means an international nautical mile that is to say a distance of 1,852 metres;
- new oil tanker
means an oil tanker— except that, for oil tankers of 70,000 tons deadweight and above, the definitions in regulation 1(2) shall apply for the purposes of regulation 18(1).
- offshore installation
means any mobile or fixed drilling or production platform or any other platform used in connection with the exploration, exploitation or associated offshore processing of sea bed mineral resources;
- oil
means petroleum in any form including crude oil, fuel oil, sludge, oil refuse and refined products, other than oil-like substances which are subject to the Merchant Shipping (Control of Pollution by Noxious Liquid Substances in Bulk) Regulations 1987;
- oil fuel
means any oil used as fuel in connection with the propulsion and auxiliary machinery of the ship in which such oil is carried;
- oil or oily mixtures
means discharge associated with platform drainage and does not include production or displacement water discharge.
- oil tanker
means a ship constructed or adapted primarily to carry oil in bulk in its cargo spaces and includes a combination carrier or a chemical tanker when it is carrying a cargo or part cargo of oil in bulk;
- oily mixture
means a mixture with any oil content;
- ppm
means parts per million;
- product carrier
means an oil tanker engaged in the trade of carrying oil other than crude oil;
- proper officer
means a consular officer appointed by Her Majesty’s Government in the United Kingdom and, in relation to a port in a country outside the United Kingdom which is not a foreign country, also any officer exercising in that port functions similar to those of a superintendent;
- sea
includes any estuary or arm of the sea;
- segregated ballast
means the ballast water introduced into a tank which is completely separated from the cargo oil and oil fuel system and which is permanently allocated to the carriage of ballast or to the carriage of ballast or cargoes other than oil or noxious liquid substances;
- separating equipment
means either separators or filters, or any combination of them, which are designed to produce effluent containing not more than 100 ppm of oil;
- ship
means a vessel of any type whatsoever operating in the marine environment including waters navigable by sea-going vessels and includes submersible craft, floating craft and a structure which is a fixed or floating platform but excludes hovercraft;
- slop tank
means a tank specifically designed for the collection of tank drainings, tank washings and other oily mixtures;
- special area
means a sea area where, for recognised technical reasons in relation to its oceanographical and ecological condition and to the particular character of its traffic, the adoption of special mandatory methods for the prevention of sea pollution by oil is required, and shall include those areas listed in regulation 16;
- Specifications for Oil Tankers with Dedicated Clean Ballast Tanks
means the International Maritime Organisation’s Resolution Number A495 (XII) contained in the 1982 edition of Dedicated Clean Ballast Tanks published by that Organisation;
- Specifications for Oil/Water Interface Detectors
means the International Maritime Organisation’s Resolution Number MEPC 5(XIII), contained in the 1987 edition of Oily Water Separators and Monitoring Equipment, published by that Organisation;
- surveyor
means a surveyor appointed by a Certifying Authority;
- tank
means an enclosed space which is formed by the permanent structure of a ship and which is designed for the carriage of liquid in bulk;
- the Antarctic area
means the sea area south of 60° south latitude,
- the Baltic Sea area
means the Baltic Sea with the Gulf of Bothnia, the Gulf of Finland and the entrance to the Baltic Sea bounded by the parallel to the Skaw in the Skagerrak at 57°44.8'N;
- the Black Sea area
means the Black Sea with the boundary between the Mediterranean and the Blackl Sea constituted by the parallel 41°N;
- the Convention
means the International Convention for the Prevention of Pollution from Ships 1973, including its protocols, Annex I (but no other Annex) and appendices thereto, as amended by the Protocol of 1978 to that Convention and includes all the amendments adopted by the Organisation’s Marine Environment Protection Committee up to November 4th 1994 and any further amendments considered by the Secretary of State to be relevant from time to time and is specified in a Merchant Shipping Notice;
- the Mediterranean Sea area
means the Mediterranean Sea including the gulfs and seas therein with the boundary between the Mediterranean and the Black Sea constituted by the 41°N parallel and bounded to the west by the Straits of Gibraltar at the meridian of 5°36'W;
- United Kingdom ship
has the same meaning as in section 85(2) of the Merchant Shipping Act 1995;
- wing tank
means any tank adjacent to the side shell plating.