# The Merchant Shipping (Submersible Craft Operations) Regulations 1987, Paragraph 3: Operational Procedures:


Maintenance of pilots, submersible operations, surface and underwater communications logbooks.

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Source: https://www.legislation.gov.uk/uksi/1987/311/schedule/1/paragraph/3n2 (the official version)
Page: https://openlegislation.uk/merchant-shipping-submersible-craft-operations-regulations-1987/schedule-1/paragraph-3n2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.