ISO 12217-3:2022
Small craft — Stability and buoyancy assessment and categorization — Part 3: Boats of hull length less than 6 m
Small craft — Stability and buoyancy assessment and categorization — Part 3: Boats of hull length less than 6 m
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 78
- Дата публикации:
- 16 декабря 2022 г.
- Издание:
- ISO IS 12217 edition 4 version 1
- ICS:
- 47.080
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.
Abstract
Overview - What ISO 12217-3:2022 covers
ISO 12217-3:2022 is the International Organization for Standardization standard for assessing stability and buoyancy of small craft with a hull length less than 6 m. It specifies methods for evaluating intact (undamaged) boats, including flotation characteristics for craft susceptible to swamping, and provides the basis to assign a design category (C or D) appropriate to the boat’s design and maximum load. The standard aligns with the EU Recreational Craft Directive (2013/53/EU) and is part of the ISO 12217 series.
Key technical topics and requirements
- Scope and applicability: Boats < 6 m, propelled by human or mechanical power, excluding many craft types (e.g., inflatable/RIBs covered by ISO 6185, personal watercraft ISO 13590, canoes/kayaks, surfboards, hydrofoils not operating in displacement mode, submersibles).
- Intact stability focus: Assessment applies to undamaged condition; displacement-mode operation only.
- Design category assignment: Procedures to determine category C or D based on stability and maximum load.
- Downflooding assessment: Methods and required downflooding heights/angles; requirements for downflooding openings.
- Flotation tests: Level flotation, basic flotation and requirements for flotation materials/elements (normative annexes).
- Offset-load and heel tests: Offset-load test, gunwale load, heel due to wind action and associated calculations.
- Sailing-specific tests: Knockdown recovery, capsize-recovery, wind stiffness, and inverted buoyancy for habitable multihulls.
- Recess sizing: Rules and calculation methods for recess retention level.
- Documentation and marking: Safety signs and owner’s manual information (Annex F), worksheets (Annex H).
- Normative annexes: Detailed calculation and test procedures (Annexes A–F) and informative summaries (Annexes G–I).
Practical applications - who uses this standard
- Boat designers and naval architects assessing small boat stability and buoyancy
- Small craft manufacturers seeking compliance and design categorization
- Test laboratories and conformity assessment bodies performing stability and flotation tests
- Regulatory authorities and importers checking alignment with EU Recreational Craft Directive
- Owners and dealers referencing safety, labeling and owner manual requirements
Related standards and alternatives
- ISO 12217-1 / ISO 12217-2 - alternative assessment routes for boats with full deck and quick-draining cockpits (can allow higher design categories)
- ISO 11812 - quick-draining cockpit requirements referenced for alternative assessments
- ISO 6185 series - inflatable/rigid-inflatable boats (excluded from ISO 12217-3)
- ISO 13590 - personal watercraft
ISO 12217-3:2022 is essential for ensuring small-boat designs meet internationally recognized stability and buoyancy practices, supporting safe design, regulatory compliance, and clear classification for boats under 6 m.
Технические детали
- Технический комитет
- ISO/TC 188 - Small craft
- SKU
- ISO 12217-3:2022
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