Effective Clearing of the Ship

Effective Clearing of the Ship

Definition(s)

Effective Clearing of the Ship

Effective clearing of the ship is the ability of the free-fall lifeboat to move away from the ship after free-fall launching without using its engine. Source: IMO Resolution MSC.48(66), adoption of the International Life-Saving Appliance (LSA) Code, 4 June 1996, International Maritime Organization. Legislation
Thermal Protective Aid

Thermal Protective Aid

Definition(s)

Thermal Protective Aid

Thermal protective aid is a bag or suit made of waterproof material with low thermal conductance. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. Legislation
Short International Voyage

Short International Voyage

Definition(s)

Short International Voyage

Short international voyage is an international voyage in the course of which a ship is not more than 200 miles from a port or place in which the passengers and crew could be placed in safety. Neither the distance between the last port of call in the country in which the voyage begins and the final port of destination nor the return voyage shall exceed 600 miles. The final port of destination is the last port of call in the scheduled voyage at which the ship commences its return voyage to the country in which the voyage began. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. Legislation
Recovery Time

Recovery Time

Definition(s)

Recovery Time

Recovery time for a rescue boat is the time required to raise the boat to a position where persons on board can disembark to the deck of the ship. Recovery time includes the time required to make preparations for recovery on board the rescue boat such as passing and securing a painter, connecting the rescue boat to the launching appliance, and the time to raise the rescue boat. Recovery time does not include the time needed to lower the launching appliance into position to recover the rescue boat. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. Legislation
Positive Stability

Positive Stability

Definition(s)

Positive Stability

Positive stability is the ability of a craft to return to its original position after the removal of a heeling moment. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. Legislation
Lightest Sea-Going Condition

Lightest Sea-Going Condition

Definition(s)

Lightest Sea-Going Condition

Lightest sea-going condition is the loading condition with the ship on even keel, without cargo, with 10% stores and fuel remaining and in the case of a passenger ship with the full number of passengers and crew and their luggage. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. Legislation
International Life-Saving Appliance (LSA) Code

International Life-Saving Appliance (LSA) Code

Definition(s)

International Life-Saving Appliance (LSA) Code

International Life-Saving Appliance (LSA) Code (referred to as "the Code" in this chapter) means the International Life-Saving Appliance (LSA) Code adopted by the Maritime Safety Committee of the Organization by resolution MSC.48(66), as it may be amended by the Organization, provided that such amendments are adopted, brought into force and take effect in accordance with the provisions of article VIII of the present Convention concerning the amendment procedures applicable to the Annex other than chapter I. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. Legislation
Detection

Detection

Definition(s)

Detection

Detection is the determination of the location of survivors or survival craft. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. Legislation
Certificated Person

Certificated Person

Definition(s)

Certificated Person

Certificated person is a person who holds a certificate of proficiency in survival craft issued under the authority of, or recognized as valid by, the Administration in accordance with the requirements of the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers, in force; or a person who holds a certificate issued or recognized by the Administration of a State not a Party to that Convention for the same purpose as the convention certificate. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. Legislation
Anti-Exposure Suit

Anti-Exposure Suit

Definition(s)

Anti-Exposure Suit

Anti-exposure suit is a protective suit designed for use by rescue boat crews and marine evacuation system parties. <Chapter III, Part A, regulation 3>. Source: IMO Resolution MSC.47(66), adoption of amendments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, 4 June 1996, International Maritime Organization. Legislation
Safety Centre

Safety Centre

Definition(s)

Safety Centre

Safety centre is a control station dedicated to the management of emergency situations. Safety systems’ operation, control and/or monitoring are an integral part of the safety centre. <Chapter II-1, regulation 3>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Safe Area, in the Context of a Casualty

Safe Area, in the Context of a Casualty

Definition(s)

Safe Area, in the Context of a Casualty

Safe area in the context of a casualty is, from the perspective of habitability, any area(s) which is not flooded or which is outside the main vertical zone(s) in which a fire has occurred such that it can safely accommodate all persons onboard to protect them from hazards to life or health and provide them with basic services. <Chapter II-1, regulation 3>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Power Actuating System

Power Actuating System

Definition(s)

Power Actuating System (steering gear)

Power actuating system is the hydraulic equipment provided for supplying power to turn the rudder stock, comprising a steering gear power unit or units, together with the associated pipes and fittings, and a rudder actuator. The power actuating systems may share common mechanical components (i.e. tiller, quadrant and rudder stock) or components serving the same purpose. <Chapter II-1, regulation 3>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation Source: Rules and Regulations for the Classification of Mobile Offshore Units, Part 5, Main and Auxiliary Machinery, June 2013, Lloyd’s Register, Global Standards
Main Generating Station

Main Generating Station

Definition(s)

Main Generating Station

Main generating station is the space in which the main source of electrical power is situated. <Chapter II-1, regulation 3>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Emergency Condition

Emergency Condition

Definition(s)

Emergency Condition

Emergency condition is a condition under which any services needed for normal operational and habitable conditions are not in working order due to failure of the main source of electrical power. <Chapter II-1, regulation 3>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Steering Gear Control System

Steering Gear Control System

Definition(s)

Steering Gear Control System

Steering gear control system is the equipment by which orders are transmitted from the navigating bridge to the steering gear power units. Steering gear control systems comprise transmitters, receivers, hydraulic control pumps and their associated motors, motor controllers, piping and cables. <Chapter II-1, regulation 3>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation Source: Rules and Regulations for the Classification of Mobile Offshore Units, Part 5, Main and Auxiliary Machinery, June 2013, Lloyd’s Register, Global Standards
Keel Line

Keel Line

Definition(s)

Keel Line

Keel line is a line parallel to the slope of the keel passing amidships through: .1 the top of the keel at centreline or line of intersection of the inside of shell plating with the keel if a bar keel extends below that line, on a ship with a metal shell; or .2 in wood and composite ships, the distance is measured from the lower edge of the keel rabbet. When the form at the lower part of the midship section is of a hollow character, or where thick garboards are fitted, the distance is measured from the point where the line of the flat of the bottom continued inward intersects the centreline amidships. . <Chapter II-1, regulation 2>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Trim

Trim

Definition(s)

Trim

Trim is the difference between the draught forward and the draught aft, where the draughts are measured at the forward and aft terminals respectively, disregarding any rake of keel. <Chapter II-1, regulation 2>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Partial Subdivision Draught (dp)

Partial Subdivision Draught (dp)

Definition(s)

Partial Subdivision Draught (dp)

Partial subdivision draught (dp) is the light service draught plus 60% of the difference between the light service draught and the deepest subdivision draught. <Chapter II-1, regulation 2>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Light Service Draught (dl)

Light Service Draught (dl)

Definition(s)

Light Service Draught (dl)

Light service draught (dl) is the service draught corresponding to the lightest anticipated loading and associated tankage, including, however, such ballast as may be necessary for stability and/or immersion. Passenger ships should include the full complement of passengers and crew on board. <Chapter II-1, regulation 2>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Deepest Subdivision Draught (ds)

Deepest Subdivision Draught (ds)

Definition(s)

Deepest Subdivision Draught (ds)

Deepest subdivision draught (ds) is the waterline which corresponds to the summer load line draught of the ship. <Chapter II-1, regulation 2>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Forward Perpendicular

Forward Perpendicular

Definition(s)

Forward Perpendicular

Forward perpendicular is the forward perpendicular as defined in the International Convention on Load Lines in force. <Chapter II-1, regulation 2>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Forward Terminal

Forward Terminal

Definition(s)

Forward Terminal

Forward terminal is the forward limit of the subdivision length. <Chapter II-1, regulation 2>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Aft Terminal

Aft Terminal

Definition(s)

Aft Terminal

Aft terminal is the aft limit of the subdivision length. <Chapter II-1, regulation 2>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Mid-Length

Mid-Length

Definition(s)

Mid-Length

Mid-length is the mid-point of the subdivision length of the ship. <Chapter II-1, regulation 2>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Subdivision Length (Ls)

Subdivision Length (Ls)

Definition(s)

Subdivision Length (Ls)

Subdivision length (Ls) of the ship is the greatest projected moulded length of that part of the ship at or below deck or decks limiting the vertical extent of flooding with the ship at the deepest subdivision draught.  <Chapter II-1, regulation 2>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Cabin Balcony

Cabin Balcony

Definition(s)

Cabin Balcony

Cabin balcony is an open deck space which is provided for the exclusive use of the occupants of a single cabin and has direct access from such a cabin.<Chapter II-2, regulation 53>. Source: IMO Resolution MSC.216(82), amendments to the International Convention for the Safety of Life at Sea, 1974, as amended, 8 December 2006, International Maritime Organization. Legislation
Ship Security Officer

Ship Security Officer

Definition(s)

Ship Security Officer

Ship security officer means the person on board the ship, accountable to the master, designated by the Company as responsible for the security of the ship including implementation and maintenance of the ship security plan and liaison with the Company security officer and port facility security officers <Chapter I, regulation I/1>. Source: IMO Resolution A.1079(28), Recommendations for the Training and Certification of Personnel on Mobile Offshore Units (MOUs), Adopted on 4 December 2013, International Maritime Organization, Regulatory Guidance Source: IMO Resolution MSC.203(81), amendments to the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW), 1978, 18 May 2006, International Maritime Organization. Legislation
ISPS Code

ISPS Code

Definition(s)

ISPS Code

ISPS Code means the International Ship and Port Facility Security (ISPS) Code adopted on 12 December 2002, by resolution 2 of the Conference of Contracting Governments to the International Convention for the Safety of Life at Sea (SOLAS), 1974, as may be amended by the Organization <Chapter I, regulation I/1>. Source: IMO Resolution MSC.203(81), amendments to the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (STCW), 1978, 18 May 2006, International Maritime Organization. Legislation Source: IMO Resolution A.1079(28), Recommendations for the Training and Certification of Personnel on Mobile Offshore Units (MOUs), Adopted on 4 December 2013, International Maritime Organization, Regulatory Guidance
Utility

Utility

Definition(s)

Utility

“Utility” means a navigable water, a highway, an irrigation ditch, a publicly owned or operated drainage system, sewer or dike, an underground telegraph or telephone line or a line for the transmission of hydrocarbons, electricity or any other substance; installation de service public. Source: National Energy Board Act, R.S.C., 1985, c. N-7, Canada, current to April 29, 2013. Legislation