Port 03
Port 03 : (1) Opening, door, e. g. exhaust port - the opening in the cylinder by which burnt gases go out, for example, from a two-stroke engine. (2) Port side - the left hand side looking forward. (3) Any opening in the side of a ship, e. g. cargo port for loading and unloading cargo, coaling port for taking in bunker coal, freeing port for freeing the deck of water, etc