The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 1999
Filed:
Apr. 24, 1996
John C Griffin, III, Tacoma, WA (US);
Peter D Gunn, Bellevue, WA (US);
James D Hayes, Redmond, WA (US);
The Boeing Company, Seattle, WA (US);
Abstract
An improvement to an aircraft flight management system automatically allows changes entered into one control display unit (CDU) to be transmitted to the remaining CDU's upon failure of the onboard flight management computers. Each CDU includes memory allowing it to store the initial flight plan as being implemented by the flight management computer. Upon failure of all onboard flight management computers, detection of the failures by the CDU's initiates an alternate navigation mode. In this mode, entries made by a flight crew in one CDU are automatically transmitted to the remaining CDU's and, correspondingly, to the navigation displays, to thereby avoid redundant data entries in the remaining CDU's of a new, modified flight plan. In addition, all navigation displays are automatically caused to display the new, desired flight plan.