# The Fishing Vessels (Safety Provisions) Rules 1975, Paragraph 10


Every lifeboat shall have a mean sheer at least equal to 4 per cent of its length. The sheer shall be approximately parabolic in form.

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Source: https://www.legislation.gov.uk/uksi/1975/330/schedule/4/paragraph/10 (the official version)
Page: https://openlegislation.uk/fishing-vessels-safety-provisions-rules-1975/schedule-4/paragraph-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.