How do you modify the route in the MCDU during flight to accommodate ATC changes?

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Multiple Choice

How do you modify the route in the MCDU during flight to accommodate ATC changes?

Explanation:
When ATC changes the route, update the flight plan in the MCDU using the F-PLN page. You insert or modify the necessary waypoints to match the new clearance, then have the system recalculate fuel and performance for the updated route. After that, re-activate LNAV so the autopilot follows the modified path. This keeps the navigation, performance data, and aircraft guidance all in sync with ATC’s clearance. Notes: turning off navigation or flying visually bypasses the FMS, asking ATC and waiting delays the update, and powering off the MCDU isn’t a valid way to implement the change.

When ATC changes the route, update the flight plan in the MCDU using the F-PLN page. You insert or modify the necessary waypoints to match the new clearance, then have the system recalculate fuel and performance for the updated route. After that, re-activate LNAV so the autopilot follows the modified path. This keeps the navigation, performance data, and aircraft guidance all in sync with ATC’s clearance.

Notes: turning off navigation or flying visually bypasses the FMS, asking ATC and waiting delays the update, and powering off the MCDU isn’t a valid way to implement the change.

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