(1) A contract of marine insurance may, by its express terms, or by usage of trade, be extended so as to protect the assured against losses on inland waters or on any land risk which may be incidental to any sea voyage.
     (2) Where a ship in course of building or the launch of a ship, or any adventure analogous to a marine adventure, is covered by a policy in the form of a marine policy, the provisions of this Act, in so far as applicable, shall apply thereto, but except as by this section provided, nothing in this Act shall alter or affect any rule of law applicable to any contract of insurance other than a contract of marine insurance as by this Act defined.
     Explanation.--"An adventure analogous to a marine adventure" includes an adventure where any ship, goods or other movables are exposed to perils incidental to local or inland transit.