ISO/TC 188 - Small craft

This document specifies test methods and requirements for the design of electrical devices, when under normal operating conditions, on small craft so that they can be operated without igniting a surrounding flammable gas atmosphere. This document does not apply to ignition protection procedures for: — devices or components that can operate in hydrogen and air mixtures; — devices with dysfunctional issues; — mechanisms of ignition from external sources, such as static electricity, lightning or other factors not related to the equipment under test.

This document specifies requirements and recommendations for the selection and installation of lithium-ion batteries for boats, as well as requirements for the safety information provided by the manufacturer. This document is applicable to lithium-ion batteries and battery systems with a capacity greater than 500 Wh used on small craft for providing power for general electrical loads and/or to electric propulsion systems. It is primarily intended for manufacturers and battery installers.

This document specifies requirements for the installation of permanently installed liquefied petroleum gas (LPG) systems and LPG-burning appliances on small craft. This document is applicable to portable cooking appliances with internal LPG cartridges, with a capacity of 225 g or less (see Annex D). This document is applicable to the storage of all LPG cylinders. NOTE 1 National regulations can apply to the technical requirements of LPG cylinders. This document does not contain procedures for commissioning new LPG installations or system maintenance or upgrades. This document does not apply to LPG-fuelled propulsion engines or LPG-driven generators. NOTE 2 National codes and procedures appropriate to the country concerned can be available.

This document specifies the design as well as the construction and strength requirements for safety devices and arrangements intended to minimize the risk of persons falling overboard, and requirements to facilitate reboarding from the water, unaided, on small craft. This document is applicable to the risk of falling overboard and does not apply to falling within the limits of the deck zone. This document includes the use of toe straps for hiking out on small sailing boats, but it does not apply to the use of trapezes or similar devices that are designed to allow crew to operate sailing boats with their bodies entirely outside the periphery of the craft. This document does not apply to the following small craft types: — canoes, kayaks; — personal watercraft including powered surfboards.

This document specifies the requirements for the determination of the power of electric marine propulsion systems when presented for documenting and checking of the declared (rated) power published by the manufacturer. This document is applicable to electric systems used for propulsion of recreational craft and other small craft of up to 24 m of hull length.

This document specifies the minimum safety characteristics required for the design, materials, manufacture and testing of inflatable boats and rigid inflatable boats with a length of the hull LH in accordance with ISO 8666 less than 8 m with a motor power rating of 15 kW and greater. This document is applicable to the following types of boats intended for use within the operating temperatures of –20 °C to +60 °C: — Type VII: Powered boats, fitted with a buoyancy tube on the port and starboard sides, suitable for navigation in conditions of design categories C and D. — Type VIII: Powered boats, fitted with a buoyancy tube on the port and starboard sides, suitable for navigation in conditions of design category B. This document excludes single-chambered boats and boats with tubes made from unsupported materials, and does not apply to aquatic toys and inflatable liferafts. Boats with tubes made from aluminium, roto-moulded polyethylene, fibre reinforced plastic or other rigid materials are excluded from this document.

This document specifies methods for evaluating the stability and buoyancy of intact (i.e. undamaged) boats. The flotation characteristics of boats susceptible to swamping are also encompassed. The evaluation of stability and buoyancy properties using this document will enable the boat to be assigned to a design category (A, B, C or D) appropriate to its design and maximum total load. This document is principally applicable to boats propelled by human or mechanical power of 6 m up to 24 m hull length. However, it can also be applied to boats of under 6 m if they do not attain the desired design category specified in ISO 12217‑3 and they are decked and have quick-draining recesses which comply with ISO 11812. In relation to habitable multihulls, this document includes assessment of susceptibility to inversion, definition of viable means of escape and requirements for inverted flotation. This document excludes: — inflatable and rigid-inflatable boats covered by the ISO 6185 series, except for references made in the ISO 6185 series to specific clauses of the ISO 12217 series; — personal watercraft covered by ISO 13590 and other similar powered craft; — gondolas and pedalos; — sailing surfboards; — surfboards, including powered surfboards; — hydrofoils and hovercraft when not operating in the displacement mode; and — submersibles. NOTE Displacement mode means that the boat is only supported by hydrostatic forces. It does not include or evaluate the effects on stability of towing, fishing, dredging or lifting operations, which need to be separately considered if appropriate.

This document specifies methods for evaluating the stability and buoyancy of intact (i.e. undamaged) boats. The flotation characteristics of boats susceptible to swamping are also encompassed. The evaluation of stability and buoyancy properties using this document will enable the boat to be assigned to a design category (A, B, C or D) appropriate to its design and maximum load. This document is principally applicable to boats propelled primarily by sail (even if fitted with an auxiliary engine) of 6 m up to and including 24 m hull length. However, it can also be applied to boats less than 6 m if they are habitable multihulls or can be applied if they do not attain the desired design category specified in ISO 12217‑3 and they are decked and have quick-draining recesses which comply with ISO 11812. In relation to habitable multihulls, this document includes assessment of susceptibility to inversion, definition of viable means of escape and requirements for inverted flotation. This document excludes: — inflatable and rigid-inflatable boats covered by the ISO 6185 series, except for references made in the ISO 6185 series to specific clauses of the ISO 12217 series; — gondolas and pedalos; — surfboards including sailing surfboards; and — hydrofoils and foil stabilized boats when not operating in the displacement mode. NOTE Displacement mode means that the boat is only supported by hydrostatic forces. It does not include or evaluate the effects on stability of towing, fishing, dredging or lifting operations, which need to be separately considered if appropriate.

This document specifies methods for evaluating the stability and buoyancy of intact (i.e. undamaged) boats. The flotation characteristics of craft susceptible to swamping are also encompassed. The evaluation of stability and buoyancy properties using this document will enable the boat to be assigned to a design category (C or D) appropriate to its design and maximum load. This document is applicable to boats of hull length less than 6 m, whether propelled by human or mechanical power, except habitable sailing multihulls. Boats of hull length less than 6 m which are fitted with a full deck and quick-draining cockpit(s) complying with ISO 11812 can alternatively be assessed using ISO 12217‑1 or ISO 12217‑2 (for non-sailing and sailing boats, respectively), in which case higher design categories can be assigned. In relation to habitable multihulls, this document includes assessment of susceptibility to inversion, definition of viable means of escape and requirements for inverted flotation. This document excludes: — inflatable and rigid-inflatable boats covered by the ISO 6185 series, except for references made in the ISO 6185 series to specific clauses of the ISO 12217 series; — personal watercraft covered by ISO 13590 and other similar powered craft; — aquatic toys; — canoes and kayaks; — gondolas and pedalos; — sailing surfboards; — surfboards, including powered surfboards; — hydrofoils, foil stabilized boats and hovercraft when not operating in the displacement mode; and — submersibles. NOTE Displacement mode means that the boat is only supported by hydrostatic forces. It does not include or evaluate the effects on stability of towing, fishing, dredging or lifting operations, which need to be separately considered if appropriate.

This document defines a practical degree of fire prevention and protection intended to provide enough time for occupants to escape a fire on board small craft. It applies to small craft having a length of the hull (LH) of up to 24 m except for personal watercraft. This document does not cover: — the design and installation of permanently installed galley stoves and heating appliances (including components used to distribute the heat) using fuels that are liquid at atmospheric pressure on small craft, which are covered by ISO 14895:2016; — carbon monoxide detecting systems, which are covered by ISO 12133.

This document specifies the requirements for the design, materials, construction, installation and testing of permanently installed fuel systems as installed for internal combustion engines. It applies to all parts of permanently installed diesel and petrol fuel systems as installed, from the fuel fill opening to the point of connection with the propulsion or auxiliary engine(s) on inboard- and outboard-powered small craft. Requirements for the design and testing of petrol and diesel fuel tanks for internal combustion engines that are intended to be permanently installed in small craft are given in ISO 21487:2022.

This document specifies requirements for the design, installation and testing of petrol and diesel fuel tanks for internal combustion engines, that are intended to be permanently installed in small craft.

This document specifies requirements and information for inclusion in the owner’s manual of small craft to enable the owner/operator to use the craft safely.

This document specifies construction and system installation requirements for personal watercraft. It addresses the builder’s plate, watercraft identification, permanently installed petrol fuel systems, electrical systems, steering systems, ventilation, hull structure and floatation, stability, mooring and towing, flooding, off-throttle steering and the owner’s manual. This document does not apply to outboard powered personal watercraft and jet powered surfboards.

This document specifies the requirements for the design, installation and testing of engine-mounted and craft-mounted remote hydraulic steering systems used with single and multiple engine installations of outboard engines over 15 kW per engine, as well as with single and multiple engines of inboard, sterndrive, and water jet drives, all used on small craft. This document does not address emergency means of steering the craft.

This document specifies the minimum requirements for design, performance and marking, and gives the test methods for inflatable liferafts of type 1 and type 2: — having a carrying capacity of 4 persons to 16 persons; — intended for small craft of a hull length of up to 24 m; — intended for launching overboard from a height not exceeding 6 m. NOTE Type 1 and type 2 liferafts are defined in 4.2.

This document specifies design, construction, installation and test requirements for remote mechanical cable steering systems and the output ram interface point to rudders, jet drives, outboard and sterndrive engines for small craft. It is applicable to three distinct classes of steering systems for use on various types of craft: — standard duty steering systems, for small craft with single and twin installations of outboard engines with a total over 15 kW power, and with rudders, sterndrives and water-jet drives; — light duty steering systems, for small craft with a single outboard engine of 15 kW to 40 kW power; — mini-jet steering systems, excluding personal watercraft. NOTE Standard and light duty steering systems are mechanically interchangeable. A standard duty steering system can be used on a craft designed for a light duty system. However, a light duty steering system cannot be used on a craft that requires a standard duty steering system. Mini-jet steering systems are mechanically differentiated from the previously mentioned systems and can only be used on mini-jet craft as defined in this document. This document does not address emergency means for steering the craft.

This document establishes a coding system to achieve identification of any small craft in terms of: a) identification code of the country of the manufacturer of the craft; b) identification code of the manufacturer; c) serial number; d) month and year of manufacture; e) model year. This document is applicable to small craft of all types and materials, of hull length, LH, up to 24 m.

This document specifies the requirements for determining the maximum propulsion power rating using manoeuvring speed for engine-driven craft with a length of the hull (LH, as defined in ISO 8666) between 8 m and 24 m. This document is applicable to craft with a calculated Froude number (Fn) ≥ 1,1. This document is not applicable to: — inflatable craft, as defined by ISO 6185-4; — craft designed and constructed solely for competitive racing (racing craft); — craft primarily designed not to be engine driven. This document does not specify craft constructional strength requirements related to maximum propulsion power rating and does not guarantee stability under all conditions of seaway, wind, wakes and waves.

This document specifies the requirements for the design, installation and testing of cable over pulley steering systems on small craft with or without a propulsion engine(s), and on small craft with outboard engine(s) up to and including 37 kW total power. It specifies the requirements for the design and testing of all components of a cable over pulley steering system, from the steering mechanism to the mechanical interface with the rudder shaft or the outboard engine. It applies to cable over pulley steering systems, whether for pedestal or bulkhead types. This document does not address emergency means of steering the craft.

This document specifies requirements for the uniform display of the information exhibited on the builder’s plate of small craft. Personal watercraft are excluded from the Scope of this document.

This document specifies the items included in the maximum load of small craft, without exceeding the limits set by other ISO standards for stability, freeboard, and flotation. It further sets requirements for seating and occupancy areas of crew members. Personal watercraft are excluded from the Scope of this document.

This document provides requirements and recommendations for the selection and installation of lithium-ion batteries for boats. It applies to lithium-ion batteries and to battery systems with a capacity greater than 600 Wh, installed on small craft for providing power for general electrical loads and/or to electric propulsion systems. It is primarily intended for manufacturers and battery installers.

This document specifies requirements for the design, construction and installation of carbon monoxide detection and alarm systems in small craft. Annex A provides essential educational material about carbon monoxide relative to small craft, and recreational boating recommendations.

This document specifies general requirements and physical tests for non-fire-resistant hoses for conveying petrol or petrol blended with ethanol, and diesel fuel or diesel fuel blended with FAME, designed for a working pressure not exceeding 0,34 MPa for hoses with inner diameter up to and including 10 mm, and 0,25 MPa for hoses up to 63 mm inner diameter in small craft. . It applies to hoses for small craft with permanently installed fuel systems. Specifications for fire-resistant hoses are given in ISO 7840:2021. Specifications for permanently installed fuel systems are given in ISO 10088:2013.

This document specifies general requirements and physical tests for fire-resistant hoses for conveying petrol or petrol blended with ethanol, and diesel fuel or diesel fuel blended with FAME, designed for a working pressure not exceeding 0,34 MPa for hoses with inner diameter up to and including 10 mm, and 0,25 MPa for hoses up to 63 mm inner diameter in small craft. It applies to hoses for small craft with permanently installed fuel systems. It does not apply to hoses entirely within the splash well at the stern of the craft connected directly to an outboard engine. Specifications for non-fire-resistant fuel hoses are given in ISO 8469:2021. Specifications for permanently installed fuel systems are given in ISO 10088:2013.

This document establishes requirements for the design and installation of engine-mounted fuel, oil and electrical components on diesel inboard-mounted engines for minimizing fuel leakage, risk of electric shock and the risk of and/or the spread of fire on small craft of hull length up to 24 m in accordance with ISO 8666.

This document specifies requirements for the design, construction and installation of sewage treatment systems on small craft. It does not address waste retention systems, nor accidental discharge prevention of pollutants (e.g. oil, fuel) overboard. It does not address the technical discharge limits of a sewage treatment unit, subject to certain international as well as national regulations.

This document specifies the requirements for the design, construction and installation of the following types of DC and AC electrical systems, installed on small craft either individually or in combination: a) extra-low-voltage direct current (DC) electrical systems that operate at nominal potentials of 50 V DC or less; b) single-phase alternating current (AC) systems that operate at a nominal voltage not exceeding AC 250 V. This document does not cover the following: — electrical propulsion systems of direct current less than 1 500 V DC, single-phase alternating current up to 1 000 V AC, and three-phase alternating current up to 1 000 V AC, which are addressed by ISO 16315; — any conductor that is part of an outboard engine assembly and that does not extend beyond the outboard engine manufacturers supplied cowling; — three-phase AC installations that operate at a nominal voltage not exceeding 500 V AC, which are addressed by IEC 60092-507.

This document specifies design and testing requirements for steering wheels for small craft.

This document specifies requirements for electrically operated bilge pumps intended for use in removing bilge water. It applies to: — direct current (DC) bilge pumps which operate at a nominal voltage not exceeding 50 V; and — single phase alternating current (AC) bilge pumps which operate at a nominal voltage not exceeding 250 V. It does not cover pumps intended for damage control.

This document specifies requirements for through-hull fittings, seacocks, hose connections, their fittings and their installation in small craft with a length of hull, LH, as defined in ISO 8666:2020, of up to 24 m. This document is not applicable to engine and heater exhaust fittings, and sail drive through-hull fittings.

This document defines the dimensions, local design pressures and global loads acting on multihull craft with a hull length (LH) or load line length of up to 24 m (see Note). It considers all parts of the craft that are assumed watertight or weathertight when assessing stability, freeboard and buoyancy in accordance with ISO 12217 (all parts). Scantlings corresponding to the local design pressures are then assessed using ISO 12215-5. NOTE The load line length is defined in the OMI "International Load Lines Convention 1966/2005", it can be smaller than LH for craft with overhangs. This length also sets up at 24 m the lower limit of several IMO conventions. This document is applicable to multihulls built from the same materials as in ISO 12215-5, in intact condition, and of the two following types: — recreational craft, including recreational charter vessels; — commercial craft and workboats. It is not applicable to multihull racing craft designed only for professional racing. This document is applicable to the structures supporting windows, portlights, hatches, deadlights and doors. For the complete scantlings of the craft, this document is intended to be used in conjunction with ISO 12215-8 for rudders, ISO 12215-9 for appendages of sailing craft and ISO 12215-10 for rig loads and rig attachment in sailing craft. ISO 12215-6 can be used for additional details. Throughout this document, unless otherwise specified, dimensions are in (m), areas in (m2), masses in (kg), forces in (N), moments in (Nm), Pressures in (kN/m2) (1 kN/m2 = 1 kPa), stresses and elastic modulus in (N/mm2) (1 N/mm2 = 1 MPa).

This document specifies methods for the determination of: — the design loads and design stresses on rig elements; and — the loads and scantlings of rig attachments and mast steps/pillars; on monohull and multihulls sailing craft. It also gives, in Annexes, "established practices" for the assessment of mast steps/pillars or chainplates NOTE 1 Other engineering methods can be used provided the design loads and design stresses are used. This document is applicable to craft with a hull length LH up to 24 m but it can also be applied to craft up to 24 m load line length. NOTE 2 The load line length is defined in the OMI "International Load Lines Convention 1966/2005", it is smaller than LH. This length also sets up, at 24 m, the lower limit of several IMO conventions. Scantlings derived from this document are primarily intended to apply to recreational craft, including charter vessels. This document is not applicable to racing craft designed only for professional racing. This document only considers the loads exerted when sailing. Any loads that may result from other situations are not considered in this document. Throughout this document, and unless otherwise specified, dimensions are in (m), areas in (m2), masses in (kg), forces in (N), moments in (N m), stresses and elastic modulus in N/mm2 (1 N / mm2 = 1 Mpa). Unless otherwise stated, the craft is assessed in fully loaded ready for use condition.

This document establishes definitions of main dimensions and related data and of mass specifications and loading conditions. It applies to small craft having a length of the hull (LH) of up to 24 m.

This document specifies requirements for the field of vision from the steering position, forward (horizontally and vertically) and astern, for small craft up to 24 m length of hull (LH) in accordance with ISO 8666:2016.

This document specifies the safety requirements for buoyancy aids, performance level 50. It is applicable to buoyancy aids for adults and children with a body mass greater than 25 kg only, used in sheltered waters. Buoyancy aids require active participation by the user where help and rescue are close at hand. One-piece and two-piece inherently buoyant floatation suit PFDs are deemed to qualify as special application devices according to ISO 12402-6:2020.

This document specifies the processes for evaluation of personal flotation devices for fulfilment of the requirements in ISO 12402‑2:2020 to ISO 12402‑6:2020, with which this document is intended to be used. The classification of PFDs used in the ISO 12402 series:2020 is given in Annex A for information.

This document specifies technical requirements and test methods for windows, portlights, hatches, deadlights and doors on small craft with a length of hull, LH, as defined in ISO 8666:2016, of up to 24 m. It takes into account the type of craft, its design category, and the location of the appliance. The appliances considered in this document are only those that are critical for the craft's watertightness. Openings and non-opening devices fitted below area I (see 3.5.2) are excluded from the scope of this document.

This document specifies the safety requirements and test methods for accessories used for personal flotation devices (PFDs).

This document specifies the safety requirements and additional test methods for special application lifejackets and buoyancy aids (hereafter named PFD) for adults, children or infants. It is intended to be used in conjunction with ISO 12402‑2:2020, ISO 12402‑3:2020, ISO 12402‑4:2020 and ISO 12402‑5:2020, as applicable.

This document provides requirements and recommendations for the selection and application of both personal flotation devices (PFD) complying with the relevant Parts of the ISO 12402 series:2020, and immersion suits according to ISO 15027 (all parts):2012. It is intended to assist manufacturers, suppliers, users and regulators in the appropriate selection and application of those garments for the circumstances in which they will be used.

This document specifies the safety requirements for lifejackets, performance level 275. It is applicable to lifejackets for adults, children or infants, for offshore use under severe conditions, or when protective clothing is being used or additional loads are being carried.