This part of ISO 12215 defines the loads and specifies the scantlings of sailing craft appendages on monohull sailing craft with a length of hull, LH, of up to 24 m, measured according to ISO 8666. It gives ¾ð-design stresses, ¾ð-the structural components to be assessed, ¾ð-load cases and design loads for keel, centreboard and their attachments, ¾ð-computational methods and modelling guidance, and ¾ð-the means for compliance with its provisions.