Air Traffic Controller 3 (ぼくは航空管制官 三つ, Boku wa Kūkō Kanseikan San, also known as "ATC3", "My Tube" or simply by the airport featured (e.g. ATC3 RJAAN) is a Japanese simulation puzzle game released by TechnoBrain from 2008 to 2012. The game has many editions that were released during that time including some that feature special events or airports like the former Kai Tak International Airport in Hong Kong or Kadena Air Force Base in Okinawa. It is the third version of the Air Traffic Controller series of simulations.