NF EN ISO 12217-1

NF EN ISO 12217-1

August 2002
Standard Cancelled

Small craft - Stability and buoyancy assessment and categorization - Part 1: non-sailing boats of hull length greater than or equal to 6 m

This part of ISO 12217 specifies methods for evaluating the stability and buoyancy of intact (i.e. undamaged) boats. The flotation characteristics of boats vulnerable to swamping are also encompassed. The evaluation of stability and buoyancy properties using this part of ISO 12217 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 part of ISO 12217 is principally applicable to boats propelled by human or mechanical power of 6 m up to and including 24 m hull length. However, it may 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. This part of ISO 12217 excludes inflatable and rigid-inflatable boats up to 8 m covered by ISO 6185,canoes, kayaks or other boats with a beam of less than 1,1 m,hydrofoils and hovercraft when operating in the dynamically supported mode, and submersibles. It does not include or evaluate the effects on stability of towing, fishing, dredging or lifting operations, which should be separately considered if appropriate.

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National standards and national normative documents

Publication date

August 2002

Number of pages

62 p.

Reference

NF EN ISO 12217-1

ICS Codes

47.080   Small craft

Classification index

J95-058-1

Print number

1 - 07/12/2002

International kinship

ISO 12217-1:2002

European kinship

EN ISO 12217-1:2002
Sumary
Small craft - Stability and buoyancy assessment and categorization - Part 1: non-sailing boats of hull length greater than or equal to 6 m

This part of ISO 12217 specifies methods for evaluating the stability and buoyancy of intact (i.e. undamaged) boats. The flotation characteristics of boats vulnerable to swamping are also encompassed.

The evaluation of stability and buoyancy properties using this part of ISO 12217 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 part of ISO 12217 is principally applicable to boats propelled by human or mechanical power of 6 m up to and including 24 m hull length. However, it may 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.

This part of ISO 12217 excludes

  • inflatable and rigid-inflatable boats up to 8 m covered by ISO 6185,
  • canoes, kayaks or other boats with a beam of less than 1,1 m,
  • hydrofoils and hovercraft when operating in the dynamically supported mode, and
  • submersibles.

It does not include or evaluate the effects on stability of towing, fishing, dredging or lifting operations, which should be separately considered if appropriate.

Standard replaced by (1)
NF EN ISO 12217-1
April 2013
Standard Cancelled
Small craft - Stability and buoyancy assessment and categorization - Part 1 : non-sailing boats of hull length greater than or equal to 6 m

<p>ISO 12217-1:2013 specifies methods for evaluating the stability and buoyancy of intact (i.e. undamaged) boats. The flotation characteristics of boats vulnerable to swamping are also encompassed.</p> <p>The evaluation of stability and buoyancy properties using ISO 12217-1:2013 will enable the boat to be assigned to a design category (A, B, C or D) appropriate to its design and maximum total load.</p> <p>ISO 12217-1:2013 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.</p> <p>In relation to habitable multihulls, ISO 12217-1:2013 includes assessment of vulnerability to inversion, definition of viable means of escape and requirements for inverted flotation.</p> <p>ISO 12217-1:2013 excludes:</p> <ul> <li>inflatable and rigid-inflatable boats covered by ISO 6185, except for references made in ISO 6185 to specific clauses of ISO 12217;</li> <li>personal watercraft covered by ISO 13590 and other similar powered craft;</li> <li>gondolas and pedalos;</li> <li>sailing surfboards;</li> <li>surfboards, including powered surfboards;</li> <li>hydrofoils and hovercraft when not operating in the displacement mode (displacement mode means that the boat is only supported by hydrostatic forces); and</li> <li>submersibles.</li> </ul> <p>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.</p>

Table of contents
View the extract
  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    2
  • 3.1 Termes et définitions de base
    2
  • 3.2 Envahissement
    3
  • 3.3 Dimensions, surfaces et angles
    4
  • 3.4 Conditions de chargement, masse et volume
    5
  • 3.5 Autres termes et définitions
    7
  • 4 Symboles
    8
  • 5 Procédure
    10
  • 5.1 Charge totale maximale
    10
  • 5.2 Bateau à voile ou non voilier
    10
  • 5.3 Essais et calculs à effectuer
    10
  • 6 Essais, calculs et exigences
    11
  • 6.1 Envahissement
    11
  • 6.2 Essai de chargement désaxé
    15
  • 6.3 Résistance aux vagues et au vent (pour les catégories de conception A et B uniquement)
    15
  • 6.4 Gîte due à l'action du vent (catégories de conception C et D uniquement)
    17
  • 6.5 Exigences de flottabilité
    18
  • 7 Application
    18
  • 7.1 Décision de la catégorie de conception
    18
  • 7.2 Signification des catégories de conception (voir Tableau 5)
    18
  • Annexe A (normative) Méthode complète pour calculer la hauteur d'envahissement requise
    20
  • Annexe B (normative) Méthode d'essai de chargement désaxé
    22
  • Annexe C (normative) Méthodes de calcul de l'angle d'envahissement
    26
  • Annexe D (normative) Détermination de la courbe des moments de redressement
    28
  • Annexe E (normative) Méthode d'essai de la flottabilité droite, bateau envahi
    31
  • Annexe F (normative) Matériaux et éléments de flottabilité
    35
  • Annexe G (normative) Informations pour le manuel du propriétaire
    37
  • Annexe H (informative) Résumé des exigences
    38
  • Annexe I (informative) Feuilles de calcul
    39
  • Bibliographie
    50
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