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Air data system and method for rotary aircraft

  • US 7,284,420 B2
  • Filed: 07/13/2004
  • Issued: 10/23/2007
  • Est. Priority Date: 07/13/2004
  • Status: Expired due to Fees
First Claim
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1. An air data system for a rotary aircraft, comprising in combination:

  • a plurality of ports arranged around a main rotor shaft and beneath a rotor hub of the rotary aircraft; and

    a plurality of air flow sensors connected to the plurality of ports, wherein the plurality of ports permit air to flow into the plurality of air flow sensors, and wherein the plurality of air flow sensors are operable to measure speed and direction of cross-wind components of air flow surrounding the rotary aircraft based on the air that flows through the plurality of ports.

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