# The Fishing Vessels (Safety Provisions) Rules 1975, Paragraph 5


A diagram or tabular statement shall be provided showing for a suitable range of mean draughts and at the trim stated, the following hydrostatic particulars of the vessel:—
(i) the heights of the transverse metacentres;
(ii) moments to change trim one centimetre;
(iii) tonnes per centimetre immersion;
(iv) longitudinal position of the centre of flotation;
(v) vertical and longitudinal positions of the centre of buoyancy;
(vi) displacement in tonnes.
Where vessels have raked keels the same datum shall be used for the hydrostatics as was employed in determining the requirements of paragraph 3 above. In such cases full information shall be included in respect of the rake and dimensions of the keel and may be given in the form of a diagram.

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Source: https://www.legislation.gov.uk/uksi/1975/330/schedule/3/paragraph/5 (the official version)
Page: https://openlegislation.uk/fishing-vessels-safety-provisions-rules-1975/schedule-3/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.