Patent ID: 6112140
Filing Date: 2000-08-29
Classification: G05D

Abstract:
In an aircraft flight management system including at least one flight management computer (FMC), at least two control display units (CDU's) and at least two databuses permitting interfaces to said CDU's from said FMC, the improvement comprising:logic control means associated with said at least one FMC for:a) automatically detecting failure of one of said CDU's or one of said databuses and responsive thereto,b) utilizing structured data routing to predeterminedly reroute signals over a non-failed databus to connect a non-failed CDU to the FMC in a manner to minimize flight crew impact as a result of a failure, the rules for the structured data routing being set forth in a predetermined look-up table which includes a hierarchy of reconfiguration scenarios based on the possible failures of the CDU's or databuses.