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There's collision avoidance systems, but those are really for "not flying into another plane". You're going so fast that by the time you can pick up that you're

There's collision avoidance systems, but those are really for "not flying into another plane". You're going so fast that by the time you can pick up that you're about to hit a drone or bird, you've destroyed it -and possibly yourself- already. Military drones are a different matter: you will never find yourself in the same air space, because you will never be told they're there. They are ghosts, much like airplanes that run without a transponder "because it's legal". You don't see another aircraft unless you know exactly where to look, or you're right on top of them.

westurner 2y ago
Flying things could sqwak with the inverse of the Doppler transform when subsonic https://news.ycombinator.com/item?id=37886514 https://news.ycombinator.com/item?id=37886514 : > FAA UAS RemoteID: https://www.faa.gov/uas/getting_started/remote_id https://www.faa.gov/uas/getting_started/remote_id Collision avoidance in transportation: https://en.wikipedia.org/wiki/Collision_avoidance_in_transportation https://en.wikipedia.org/wiki/Collision_avoidance_in_transpo...