Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 17, 2009
Patent Application Number
11940427
Date Filed
November 15, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods and apparatus to alert a pilot in an aircraft of certain conditions, such as airspace violations. In one embodiments a system uniquely identifies aircraft and send a message to alert the pilot to contact air traffic control on a selected frequency.
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