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Electronic flight control system for an aircraft capable of hovering

  • US 8,989,921 B2
  • Filed: 06/10/2010
  • Issued: 03/24/2015
  • Est. Priority Date: 06/10/2009
  • Status: Active Grant
First Claim
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1. A flight control system that is electronic and is for an aircraft capable of hovering and comprising at least one rotor, the flight control system comprising:

  • a manual flight control mode that the flight control system is configured to operate in, in which the flight control system controls rotor speed in response to direct commands from a pilot; and

    at least two automatic flight control modes that the flight control system is configured to operate in corresponding to respective flight modes of the aircraft, and in which the flight control system controls the rotor speed automatically on a basis of flight conditions;

    the flight control system being characterized by also being configured to;

    memorize, for each of said automatic flight control modes, a respective flight table relating different speed values of said rotor to different values of at least one flight quantity; and

    automatically control the rotor speed in said automatic flight control modes on a basis of the respective flight tables.

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