fishing vesselmeans a vessel for the time being employed in sea fishing but does not include a vessel used otherwise than for profit;
pleasure craftmeans a vessel (other than a passenger ship) primarily used for sport or recreation;
safe manning documentmeans a document issued in the case of a United Kingdom ship by the Secretary of State and in the case of any other ship, by or on behalf of the Government of the State whose flag the ship is entitled to fly, and in either case complying with the requirements set out in the Schedule hereto;
shipownerincludes: (a) where the ship is chartered by demise, the demise charterer;
tonsmeans gross tons and shall be— (a) for a ship having alternative gross tonnages under paragraph 13 of Schedule 5 of the Merchant Shipping (Tonnage) Regulations 1982, the larger of those tonnages, and (b) for a ship having its tonnage determined both under Part II and regulation 16 of those Regulations its gross tonnage as determined under regulation 16;