Activation group 1 to unlock the use of the steering while taxiing. Flies about level at 420mph. Will take off easily at 150mph and should be landed at about 25% power. -- The Airbus A400M Atlas is a multi-national four-engine turboprop military transport aircraft. It was designed by Airbus Military (merged in January 2014 to Airbus Defence and Space) as a tactical airlifter withstrategic capabilities to replace older transport aircraft, such as the Transall C-160and the Lockheed Martin C-130 Hercules. The A400M can perform mission roles other than transportation, including electronic surveillance and aerial refuelling.