Self-contained flight data recorder with wireless data retrieval

  • US 6,898,492 B2
  • Filed: 03/13/2001
  • Issued: 05/24/2005
  • Est. Priority Date: 03/15/2000
  • Status: Expired due to Fees
  • ×
    • Pin Icon | RPX Insight
    • Pin
First Claim
Patent Images

1. A method of recording aircraft position data comprising:

  • providing an onboard flight data recorder unit and a ground-based data retrieving station, wherein said onboard flight data recorder unit is comprised of a single physical enclosure containing a central processing unit, a plurality of sensors for monitoring an aircraft'"'"'s condition, a global position system (GPS) receiver, a non-volatile memory for recording flight data and a wireless communications transceiver for retrieving said data, said flight data recorder mounted on an aircraft floor or wall;

    providing a GPS communications antenna;

    connecting the recorder to the aircraft power supply and ignition switch; and

    computing the difference between current and previous coordinates generated by the GPS receiver and then storing the difference instead of the coordinates thereby saving memory space.

View all claims

    Thank you for your feedback