 A 70 @-@ metre @-@ long ( <unk> ft 8 in ) flight deck was built above the stern and stretched forward to the rebuilt aft superstructure . The flight deck was 29 metres ( 95 ft 2 in ) wide at its forward end and 13 metres ( 42 ft 8 in ) at the stern . It <unk> the stern and increased the overall length of the ships to 219 @.@ 62 metres ( 720 ft 6 in ) . A pair of rotating gunpowder @-@ propelled <unk> were fitted on the sides of the hull , forward of the aft superstructure where they partially restricted the arc of fire of the two amidships turrets . They could launch aircraft up to 4 @,@ 600 kilograms ( 10 @,@ 100 lb ) in weight and required 30 seconds to launch each aircraft . The flight deck had eight permanent storage positions connected by rails to the <unk> and the <unk> operated aircraft lift that brought the aircraft up from the hangar below on the trolleys used to move the <unk> about . Two aircraft were intended to be <unk> on the <unk> and three more in temporary positions on the flight deck for a total of thirteen . 
