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Re:Zipline: Drone delivery of medical supplies by jasonwatkinspdx on Sunday June 07, 2020 @04:50PM (#23450678)
> landing it by catching it using a small hook at the tail of the plane isn't that common I presume.

A lot of military drones have a hook at the end of one wing, and they hang a vertical wire under tension from a boom arm, with a differential gps receiver at the top of the wire. Ends up it's all accurate enough for the drone to catch the wire. I presume zipline went with their more complex approach as wings strong enough to just snag and stop would be past their weight limits.

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