"Invincible"s flight deck was long and wide. It was connected to the ship's hangar by two lifts, with dimensions of  × and rated to carry aircraft with a weight of . The hangar itself was long, with width varying between and a height of . An upward-curved ski-jump ramp at an angle of 6.5 degrees was fitted at the forward end of the ship's flight deck, this allowed the carrier's Sea Harriers to take off with a higher disposal payload, while shortening the take-off run, leaving more space for helicopter operations. The ship had a design air wing of 10 Westland Sea King anti-submarine helicopters and 8 British Aerospace Sea Harrier STOVL jet fighters.