The removal of the secondary armament , the rear turrets and their supporting structures was generally compensated by the addition of the flight deck , hangar , AA guns and more fuel , and the metacentric height increased .23 metres ( 9 @.@ 1 in ) to 2 @.@ 81 metres ( 9 ft 3 in ) at full load as a result of the reduction in the displacement by over 2 @,@ 000 tonnes ( 2 @,@ 000 long tons ) to 40 @,@ 444 tonnes ( 39 @,@ 805 long tons ) . This also reduced the draught to 9 @.@ 03 metres ( 29 ft 8 in ) . The overhang of the flight deck at the stern increased the overall length to 219 @.@ 62 metres ( 720 ft 6 in ) and the beam was slightly reduced to 31 @.@ 71 metres ( 104 ft 0 in ) .