Patent ID: 6208284
Filing Date: 2001-03-27
Classification: G01S

Abstract:
A traffic alert and collision avoidance system (TCAS) for use in an aircraft, said traffic alert and collision avoidance system comprising:a computer processing system for receiving target aircraft position data, determining target aircraft position, and generating a TCAS advisory;an interrogator and receiver system connected to said computer processing system, said interrogator and receiver system for communicating with a transponder of target aircraft, said interrogator and receiver system for providing a first set of target aircraft position data to said computer processing system;a radar system connected to said computer processing system, said radar system for searching for said target aircraft and for providing a second set of target aircraft position data to said computer processing system, said second set of data having a higher resolution than said first set of data; anda display connected to said computer processing system for displaying indicia representative of said target aircraft position, wherein said target aircraft position is determined using said second set of target aircraft position data.