Abstract: A method for updating a flight plan by an avionics device includes receiving a first flight plan comprising a first set of flight parameters having at least one fuel-related first flight parameter, receiving a second flight plan for a subsequent second flight, the second flight plan based on a fuel remaining in the aircraft without refueling subsequent to the first flight, and receiving an update to the first flight plan. The method further includes, determining, with the avionics device, a set of first updated flight parameters comprising at least one fuel-related first updated flight parameter, determining, whether the fuel-related first updated flight parameter will satisfy predetermined criteria of the second flight plan, and when the fuel-related first updated flight parameter will not satisfy the predetermined criteria, displaying a first notification onboard the aircraft, and receiving a selection of a refueling locations.

Abstract: A method for validating, with a first computing device onboard an aircraft, a flight plan having a set of first flight parameters comprising respective first values, loaded onto the first computing device of an aircraft includes receiving from a second source, by the first computing device, data comprising a set of second flight parameters having respective second values corresponding to the set of first flight parameters. The method includes comparing the first values of the set of first flight parameters to the second values of the corresponding set of second flight parameters by the first computing device, determining, whether an implausible condition exists. When an implausible condition is determined, the method includes automatically displaying a first notification on a display device in the aircraft, requesting a modification to the set of first flight parameters, and receiving a modification to the loaded flight plan based on the notification.

Abstract: A method for updating a flight plan by an avionics device includes receiving a first flight plan comprising a first set of flight parameters having at least one fuel-related first flight parameter, receiving a second flight plan for a subsequent second flight, the second flight plan based on a fuel remaining in the aircraft without refueling subsequent to the first flight, and receiving an update to the first flight plan. The method further includes, determining, with the avionics device, a set of first updated flight parameters comprising at least one fuel-related first updated flight parameter, determining, whether the fuel-related first updated flight parameter will satisfy predetermined criteria of the second flight plan, and when the fuel-related first updated flight parameter will not satisfy the predetermined criteria, displaying a first notification onboard the aircraft, and receiving a selection of a refueling locations.

Abstract: A method for validating, with a first computing device onboard an aircraft, a flight plan having a set of first flight parameters comprising respective first values, loaded onto the first computing device of an aircraft includes receiving from a second source, by the first computing device, data comprising a set of second flight parameters having respective second values corresponding to the set of first flight parameters. The method includes comparing the first values of the set of first flight parameters to the second values of the corresponding set of second flight parameters by the first computing device, determining, whether an implausible condition exists. When an implausible condition is determined, the method includes automatically displaying a first notification on a display device in the aircraft, requesting a modification to the set of first flight parameters, and receiving a modification to the loaded flight plan based on the notification.