This MGN explains the application of the dangerous use provisions of the Merchant Shipping Act 1995 to powered watercraft (those with an engine or motor), the obligations and offences for different actors and notes the role of the Maritime and Coastguard Agency as the main statutory authority for enforcement.
These changes are effective from 31 March 2023 and are designed to ensure that the owners, operators and users of watercraft within all UK waters (including inland waters) can be held accountable for their actions and omissions.
Source: MCA.