7,121,509 Alerting system for aircraft crew
  Issued: October 17, 2006
  Filed: December 29, 2003
  U.S. Class: 244/118.5
Abstract:  A method and system for alerting an aircrew of terrorist activity in a cabin of an aircraft. The system includes a plurality of fobs worn by flight attendants. The system also includes an antenna sending unit (ASU) located within the cabin and a cockpit display unit (CDU) located in the cockpit of the aircraft. When a terrorist situation is detected by a flight attendant, the flight attendant sends an alerting signal to the cockpit by sending a coded signal via the ASU to the CDU. The CDU provides an indicator to the cockpit crew and an alert to each fob. In addition, the CDU sends a test signal to each fob to check the status of each fob.

Posted by GEN-ERIC at 10:38:18 am into the following categories: Patents of the Day

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