What is marine cargo insurance? Whether insurance in respect of cargo is properly characterised as marine insurance depends upon consideration of the Marine Insurance Act 1906 (MIA 1906). By MIA 1906, s 1 marine insurance is defined as follows: ‘A contract of marine insurance is a contract whereby the insurer undertakes to indemnify the assured, in a manner and to the extent thereby agreed, against marine losses, that is to say, the losses incident to marine adventure.’ Maritime perils are defined by MIA 1906, s 3: ‘Maritime perils’ means the perils consequent on, or incidental to, the navigation of the sea, that is to say, perils of the seas, fire, war perils, pirates, rovers, thieves, captures, seizures, restraints and detainments of princes and peoples, jettisons, barratry, and any other perils, either of the like kind or which may be designated by the policy.’ Whether or not a policy of insurance is a marine insurance turns upon whether the perils insured are perils consequent on or incidental to the navigation of the sea. Hence,