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Unmanned vehicle operating modes

  • US 9,778,655 B2
  • Filed: 08/26/2016
  • Issued: 10/03/2017
  • Est. Priority Date: 05/30/2014
  • Status: Active Grant
First Claim
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1. An aircraft, comprising:

  • an airframe;

    drive elements configured to drive movements of the airframe; and

    a computer, including at least one processor, configured to receive flight planning and manual commands and to control operations of the drive elements to operate in;

    first and second safe modes in which the flight planning commands are accepted but the manual commands are refused,first and second manual modes in which the flight planning commands are refused but the manual commands are accepted, andan enroute mode and first and second special modes in which the manual commands are refused,the computer being further configured to only allow mode transitions directly between the first safe mode and the first manual mode, directly between the second safe mode and the second manual mode, directly between the first safe mode and the second safe mode and directly between the second safe mode and the enroute mode.

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