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Rotorcraft autopilot and methods

  • US 9,272,780 B2
  • Filed: 02/08/2013
  • Issued: 03/01/2016
  • Est. Priority Date: 02/10/2012
  • Status: Active Grant
First Claim
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1. An autopilot system for a helicopter, said autopilot system comprising:

  • an inner loop that is configured at least for providing a true attitude estimate for the flight of the helicopter including a given level of redundancy applied to the inner loop; and

    an outer, autopilot loop that is configured for providing at least one navigation function with respect to the flight of the helicopter including a different level of redundancy than the inner loop.

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