These documents are issued by the UK Maritime and Coastguard Agency (MCA) and are a series of informative notices addressed to the Shipping Community including Owners, Managers, Masters and Agents.

A collection of active Marine Guidance Notes dating from April 2000 is
available here.

A collection of active MINs dating from May 2004 is available here.

MSNs from February 1963 onward are available here.

A collection of M-notices (MGNs and MSNs) relevant to the transport of dangerous goods by sea is available from March 1999 here.

Legislation relevant to Merchant Shipping Notices can be found here.