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I think this apply to any kind of emergency. Planes can squawk a codes to signal emergency w/o rádio and get the controller attention. Mayday call is used on l

• LorenPechtel 4y ago
  Yeah--the point is that a plane under robot control like that is going to be calling mayday and everyone on the frequency is going to make way for it if possible. You make way for a plane calling mayday like you make way for any vehicle running lights and sirens--but in the sky there's a lot more ability to make room and a lot more enforcement against anyone who doesn't obey.