Introduction - If you have any usage issues, please Google them yourself
Assuming there is an airport runway, each aircraft landing takes some time, it takes some time off, taking off and landing of aircraft to meet a certain probability. In general, there are two queues airport, landing aircraft waiting queue and a queue waiting for the aircraft to take off, the same waiting time, waiting for takeoff aircraft for landing an aircraft having a higher priority. Test preparation program to simulate running this airport.