2 Definitions
Clasification Society 2024 - Version 9.40
Statutory Documents - MCA Publications - MGN 280 - Small Vessels in Commercial Use for Sport or Pleasure, Workboats and Pilot Boats - Alternative Construction Standards - 2 Definitions

2 Definitions

 In the Code:-

 "Accommodation space" means any space, enclosed on all six sides by solid divisions, provided for the use of persons on-board;

 "Administration" means the Government of the State whose flag the ship is entitled to fly;

 "Annual examination" means a general or partial examination of the vessel, its machinery, fittings and equipment, as far as can readily be seen, to ascertain that it had been satisfactorily maintained as required by the Code and that the arrangements, fittings and equipment provided are as documented in the Compliance Examination and Declaration report form SCV2. The hull, shell fittings, external steering and propulsion components of the vessel should be examined out of the water at intervals not exceeding 5 years. The Certifying Authority may stipulate a lesser interval in consideration of hull construction material or the age or the type and service of the vessel;

 "Affiliated club" means a club which is affiliated to a national governing body of sport;

 "Approved" means approved by or acceptable to the MCA under Merchant Shipping legislation, unless otherwise specified in the Code;

 "Authorised person" means a person who by reason of relevant professional qualifications, practical experience or expertise is authorised by the Certifying Authority chosen by the owner/managing agent from those listed in the Code to carry out examinations required under Section 27 of the Code;

 "Bare boat charter" means a charter for which the charterer provides the skipper and the crew;

 "Boats fitted with a buoyant collar" means a rigid inflatable vessel, or a vessel of similar hull form, where the inflatable tubes are replaced by solid, or hollow, buoyant sections;

 "Cargo" for the purpose of the Code means all items which are transported by the vessel except fuel for the vessel, ballast (either solid or liquid), consumables to be used onboard, permanent outfit and equipment of the vessel, stores and spare gear for the vessel, crew and their personal baggage and passengers and their personal baggage, and activity related equipment;

 "Category C waters" means waters designated category C waters in the Merchant Shipping (Categorisation of Waters) Regulations 1992, SI 1992 No. 2356 and Merchant Shipping Notice MSN 1776(M);

 "Category D waters" means waters designated category D waters in the Merchant Shipping (Categorisation of Waters) Regulations 1992, SI 1992 No. 2356 and Merchant Shipping Notice 1776(M);

 "Certificate" means the certificate appropriate to a vessel to which the Code is applied. See section 1.1;

 "Certifying Authority" means either the MCA or one of the organisations authorised by the MCA to:-

  • a) appoint persons for the purpose of examining vessels and issuing and signing Declarations of Examinations; and

  • b) issue Certificates.

The organisations so authorised by the MCA for all vessels covered by the Code, including dedicated pilot boats are as follows:-

  • American Bureau of Shipping
  • Bureau Veritas
  • Burness Corlett & Partners Limited
  • Germanischer Lloyd
  • International Institute of Marine Surveyors
  • Clasifications Register of Shipping
  • MECAL Ltd
  • Registro Italiano Navale (Rina)
  • Royal Yachting Association
  • Society of Consulting Marine Engineers & Ship Surveyors
  • Yacht Designers & Surveyors Association;

 "Charter" means an agreement between the owner/managing agent and another party which allows that other party to operate the vessel, and the "Charterer" is that other party;

 "Code" means this Code unless another Code is specified;

 "Compartment" means all living and working spaces within the watertight or fire-resisting boundaries on any one level which have inter-communicating access;

 "Competent harbour authority" has the same meaning as it has in the Pilotage Act 1987;

 "Competent Authority" in respect of manning qualifications (Annex 6) means either the Maritime and Coastguard Agency or an organisation that issues Certificates of Competence which has applied for and been granted recognition by the Maritime and Coastguard Agency as having the appropriate technical and administrative expertise;

 "Compliance examination" means an examination of the vessel, its machinery, fittings and equipment, by an authorised person, to ascertain that the vessel's structure, machinery, equipment and fittings comply with the requirements of the Code. Part of the examination should be conducted when the vessel is out of the water. For vessels of similar type the Certifying Authority may exercise discretion in carrying out the compliance examination entirely out of the water;

 "Control position" means a conning position which is continuously manned whilst the vessel is under way;

 "Crew" means a person employed or engaged in any capacity on-board a vessel on the business of the vessel;

 "Critical Downflooding" is deemed to occur when openings having an aggregate area, in square metres, greater than:-

are immersed. Moreover, it is the angle at which the lower edge of the actual opening which results in critical flooding becomes immersed. All openings regularly used for crew access and for ventilation should be considered when determining the downflooding angle. Air pipes to tanks can, however, be disregarded. Where an appropriate ISO standard is used, the definition should be taken from those standards as applicable;

 "Daylight" means one hour before sunrise until one hour after sunset;

 "Decked vessel" means a vessel with a continuous watertight weather deck which extends from stem to stern and has positive freeboard throughout, in any condition of loading of the vessel. Where an appropriate ISO standard is used, the definition should be taken from those standards as applicable;

 "Design Category" means a description of the wind and sea conditions for which a vessel is considered suitable under the EU Recreational Craft Directive 94/25/EC of 16th June 1994, and used for the application of relevant ISO and CEN standards. See table below;

Design category Wind force
(Beaufort scale)
Significant wave height (H 1/3, metres)
A - 'Ocean' Exceeding 8 Exceeding 4
B- 'Offshore' Up to, and including, 8 Up to, and including 4
C - 'Inshore' Up to, and including, 6 Up to, and including, 2
D - 'Sheltered waters' Up to, and including, 4 Up to, and including, 0, 50.3

 "Efficient" in relation to a fitting, piece of equipment or material means that all reasonable and practicable measures have been taken to ensure that it is suitable for the purpose for which it is intended. See 1.15;

 "Existing vessel" means a vessel already in possession of a Small Commercial Vessel Certificate, issued under a previous Code of Practice, see Section 1.2, prior to the date of this Code coming into force;

 "Favourable weather" means wind, sea and visibility conditions which are deemed by the skipper to be safe for a small vessel to operate within the limits applied to it; or, in any other case means conditions existing throughout a voyage or excursion in which the effects either individually or in combination of swell, height of waves, strength of wind and visibility cause no hazard to the safety of the vessel, including handling ability.

In making a judgement on favourable weather, the skipper should have due regard to official weather forecasts for the service area of the vessel or to weather information for the area which may be available from the MCA or similar coastal safety organisation;

 Forms used by Certifying Authorities are typically:-

  • Application for examination (SCV1)
  • Compliance Examination and Declaration (SCV2)
  • Stability Application - Motor or Sail
  • Small Commercial Vessel Certificate
  • Compliance and Declaration of a Pilot Boat
  • Dedicated Pilot Boat Certificate

 "Freeboard" means the distance measured vertically downwards from the lowest point of the upper edge of the weather deck to the waterline in still water or, for an open vessel, the distance measured vertically downwards from the lowest point of the gunwale to the waterline;

 "High Holding Power (HHP) Anchor" means an anchor that can be shown to have holding powers of at least twice those of a standard stockless anchor of the same mass;

 "Immediate family" means, in relation to an individual, the spouse of that individual, a relative of that individual and a relative of the spouse of that individual;

 "Immersion Suit" means a protective suit which reduces the body heat-loss of a person wearing it in cold water and complies with the requirements of Schedule 10, Part 1 of MSN 1676 (M);

 "Inflatable Boat" means a vessel which attains its form through inflatable tubes only, which are not attached to a solid hull;

 "Land" means the sea shore above the line of mean high water mark;

 "Length" means the overall length from the foreside of the foremost fixed permanent structure to the aftside of the aftermost fixed permanent structure of the vessel. With regard to inflatable, rigid inflatable boats, or boats fitted with a buoyant collar, length should be taken from the foremost part of tube or collar, to the aft most part of the tube or collar.

 "Load Line Length" means either 96% of the total length on a waterline at 85% 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, whichever is the greater. In a vessel designed with a rake of keel, the waterline on which this length is measured should be parallel to the design waterline;

 "Long international voyage" means any voyage where a vessel is more than 200 miles from a safehaven, or the length of the voyage from departure to arrival more than 600 miles

 "Maritime and Coastguard Agency" means the Maritime and Coastguard Agency (MCA), an executive agency of the Department for Transport;

 "Maximum permissible weight" means the maximum total permissible weight of persons and their effects, cargo, and activity related equipment, i.e. diving equipment;

 "MED" means the EU Marine Equipment Directive;

 "Members club" means an affiliated club under the rules of which -

  • (a) a person may not-

    • (i) be admitted to membership; or

    • (ii) be admitted, as a candidate for membership, to any of the privileges of membership,

    without an interval of at least two days between his nomination or application for membership and his admission;

  • (b) a person who becomes a member without prior nomination or application may not be admitted to the privileges of membership without an interval of at least two days between his becoming a member and his admission;

  • (c) any profits of the club may not be distributed to the members of the club,

 "Member State of the European Economic Area" means a State which is a contracting party to the Agreement on the European Economic Area signed at Oporto on 2 May 1992, as adjusted by the Protocol signed at Brussels on 17 May 1993;

 "Merchant Shipping Act", "Merchant Shipping Order", "Merchant Shipping Regulations" and "Merchant Shipping Rules" referred to in the Code mean the reference specified and includes the document issued under the appropriate statutory power which either amends or replaces the reference specified;

 "Merchant Shipping Notice" (MSN) means a Notice described as such and issued by the MCA, and reference to a specific Merchant Shipping Notice includes reference to any Merchant Shipping Notice amending or replacing that Notice which is considered by the Secretary of State to be relevant from time to time and is specified in a Merchant Shipping Notice;

 "Mile" means a nautical mile of 1852 metres;

 "Motor vessel" means a power driven vessel which is not a sailing vessel;

 "Multihull vessel" means any vessel which in any normally achievable operating trim or heel angle, has a rigid hull structure which penetrates the surface of the sea over more than one separate or discrete area;

 "National governing body of sport" means a national governing body for a sport or activity conducted on or in water which is recognised by -

  • (a) the English Sports Council (known as Sport England);

  • (b) the Sports Council for Northern Ireland;

  • (c) the Sports Council for Wales; or

  • (d) the Sports Council for Scotland (known as sportscotland);

 "New vessel" means a vessel not in possession of a Certificate issued in accordance with one or more of the Codes of Practice listed in 1.2 prior to the date of this Code coming into force;

 "Nominated departure point" means the designated point of departure of the vessel, as specified on the vessels certificate. Where this point lies within Category C or Category D waters, it is to be taken as the seaward boundary of these waters.

 "Officer", in relation to a body corporate, means -

  • (a) a director, manager, secretary or other similar officer of the body corporate, or a person purporting to act in any such capacity, or

  • (b) an individual in accordance with whose directions or instructions the directors of that body corporate, or of any other body corporate which is its controller, are accustomed to act;

 "Open boat" for the application of the Code means a vessel which within its length is:-

  • not fitted with a watertight weather deck; or
  • is fitted with a watertight weather deck over part of its length; or
  • is fitted with a watertight weather deck over the whole of its length but the freeboard to the deck does not meet the minimum requirement for freeboard (Section 12);

 "Owner/managing agent" means the registered owner, or the owner or managing agent of the registered owner or owner, or owner ipso facto, as the case may be, and "Owners/managing agents" should be construed accordingly;

 "Passenger" means any person carried on a ship except:

  • (a) a person employed or engaged in any capacity on the business of the vessel,

  • (b) a person on board the vessel either in pursuance of the obligation laid upon the master to carry shipwrecked, distressed or other persons, or by reason of any circumstance that neither the master nor the owner nor the charterer (if any) could have prevented or forestalled,

  • (c) a child of under one year of age

 "Pilot boat" means a boat employed or intended to be employed in pilotage services, and "Dedicated pilot boat" means a pilot boat of whatever size which is primarily employed in pilotage services and other occasional services undertaken such as the carriage of personnel, mail, and/or small quantities of stores to or from vessels in the pilotage district;

 "Pleasure vessel" as defined in the Merchant Shipping (Small Commercial Vessels and Pilot Boats) Regulations 2004, means;

  • (a) a vessel which-

    • (i) is owned by an individual, and

    • (ii) at the time it is being used -

      • (aa) is used only for the sport or pleasure of the owner or the immediate family or friends of the owner, and

      • (bb) is on a free voyage or excursion;

  • (b) a vessel which-

    • (i) is owned by a body corporate, and

    • (ii) at the time it is being used-

      • (aa) is used only for the sport or pleasure of employees or officers of the body corporate, or their immediate family or friends, and

      • (bb) is on a free voyage or excursion;

  • (c) a vessel -

    • (i) which is owned by or on behalf of the members of a members' club,

    • (ii) which, at the time it is being used, is used only for the sport or pleasure of a member of that club, his immediate family or his guest, and

    • (iii) for the use of which no payment is made other than a payment into the funds of the members club which funds are applied for the general use of the members club.

 In this definition, "free voyage or excursion" means a voyage or excursion in respect of which -

  • (a) subject to paragraphs (b) and (c) , no money is paid, and no goods or services are provided, by any person;

  • (b) the owner of the vessel engaged in the voyage or excursion may pay money, or provide goods and services, to any person; and

  • (c) the owner of the vessel engaged in the voyage or excursion may only receive -

    • (i) money for, or in connection with, the operation of the vessel or the carrying of any person in the vessel as a contribution to the direct expenses of the operation of the vessel incurred during the voyage or excursion, or

    • (ii) goods and services which are used or provided on the vessel during the voyage or excursion.

 "Proprietors club" means any club that is not a members club;

 "Protected Waters" means waters not categorised in Merchant Shipping (Categorisation of Waters) Regulations 1992, SI 1992 No. 2356 and Merchant Shipping Notice MSN 1776(M), but the location of which are explicitly defined and accepted as protected by the Regional Chief Surveyor of the MCA responsible for the specified UK coastal area, having regard for the safety of the small vessels which operate in those waters;

 "Recess" means an indentation or depression in a deck and which is surrounded by the deck and has no boundary common with the shell of the vessel. Where an appropriate ISO standard is used, the definition should be taken from those standards as applicable;

 "Relative" means brother, sister, ancestor, or lineal descendant;

 "Renewal examination" means a similar examination to the Compliance examination;

 "Rigid inflatable boat" means a vessel with inflatable tubes, attached to a solid hull. The tubes are inflated during normal craft operation;

 "Safe haven" means a harbour or shelter of any kind which affords safe entry and protection from the force of weather;

 "Sailing vessel" means a vessel which is designed to be navigated under wind power alone and for which any motor provided is an auxiliary means of propulsion and/or which possesses a non-dimensional ratio of (sail area) divided by (volume of displacement)2/3 of more than 7;

 "Similar stage of construction" means a stage at which construction identifiable with a specific vessel begins, and assembly of that vessel, comprising at least 1% of the estimated mass of all structural material, has commenced;

 "Single handed operation" means operation where no-one other than the skipper is on-board;

 "Small vessel" means a vessel of less than 24 metres in load line length, or a vessel of less than 150 tons, where the keel of that vessel was laid, or where the vessel was at a similar stage of construction, before 21st July 1968;

 Standards such as BS (British Standard), EN (European Standard accepted by the European Committee for Standardisation, CEN), IEC (International Electrotechnical Commission) and ISO (International Organisation for Standardisation) identified in the Code should include any standards which amend or replace them;

 "Trainee" see section 26.8

 "To sea" means beyond category D waters, or category C waters if there are no category D waters;

 "United Kingdom ship " means a vessel as defined in Section 85(2) of the Merchant Shipping Act 1995 (c.21);

 "Void space" is any space, having no practical function on board the vessel, not capable of readily collecting water under normal operating circumstances;

 "Watertight" means capable of preventing the passage of water in either direction;

 "Weather deck" means the main deck which is exposed to the elements;

 "Weathertight" means capable of preventing the admission of a significant quantity of water into the vessel when subjected to a hose test;

 "Workboat" in the Code means a small vessel in commercial use for purposes other than sport or pleasure other than a dedicated pilot boat.


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