Enter one of the case-sensitive pilot callsigns on the pilot screen. The <xx id> part of the code refers to the mission ID of the indicated aircraft. For example, if there are four F-117s in the current mission, the value of <xx id> would be 00 to 03. After activating the code, your Hornet will be under CPU control and fly at a set altitude above the original starting location. NOte: To change aircraft, the new airplane must be normally available during the current mission.