upper deck definition

upper deck means the uppermost complete deck exposed to weather and sea, which has permanent means of weathertight closing of all openings in the weather part thereof, and below which all openings in the sides of the ship are fitted with permanent means of watertight closing. In a ship having a stepped upper deck, the lowest line of the exposed deck and the continuation of that line parallel to the upper part of the deck is taken as the upper deck; and
upper deck means the uppermost complete deck exposed to the sea and weather fitted as an integral part of the ship’s structure, being a deck, openings in the weather portions of which are fitted with permanent means of closing and below which all openings in the sides of the ship are fitted with permanent means of watertight closing;
upper deck. , in ships with side openings, means the deck below the weather deck;

More Definitions of upper deck

upper deck means the uppermost complete deck exposed to
upper deck means the uppermost complete deck exposed to sea and
upper deck means the highest deck to which the watertight transverse bulk- heads except aft peak bulkheads extend;
upper deck means the highest deck to which the watertight transverse bulkheads except aft peak bulkheads extend;