| 摘要 |
The invention relates to air navigation aid devices and methods used in flight management systems onboard of aerodynes. In order to facilitate the task of the pilot, the onboard computer (FMS) dialogues with the pilot through a multipurpose control display unit (MCDU). Said unit displays a list of tasks to be executed in the form of a succession of selectable and activatable main zones (40). Each zone corresponds to a task, executed through the unit, and when the task has been executed (validation key actuated by the pilot), the list of tasks is redisplayed with a specific mark in an auxiliary zone (50) corresponding to the executed task. The auxiliary zone is arranged next to the main zone wherein appears the task to be executed. The co-pilot, if any, receives the same mark. If it is the co-pilot who executes the procedure, the mark appears in another auxiliary zone (60) situated on the other side of the main zone. At any time of the procedure, the pilot and the co-pilot see both of them at a glance which tasks have been executed, who has executed each of the tasks, and which tasks remain to be executed.
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