#autopilot__automatic_pilot__automaticpilot__robot_pilot__robotpilot  a navigational device that automatically keeps ships or planes or spacecraft on a steady course
  supertype:  device  an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
  part:  inertial_guidance_system__inertial_navigation_system  a system to control a plane or spacecraft; uses inertial forces

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