Method and Device for Constructing a Low-Altitude Flight Plan to be Followed by an Aircraft

摘要

The invention concerns a method and a device for constructing a low-altitude flight path to be followed by an aircraft. The device (1) comprises a database (3) containing a terrain profile concerning the terrain to be flown over by the aircraft, a set of data sources (5), first means (6) for determining a lateral trajectory of the flight path, and second means (7) for determining a vertical trajectory of the flight path, said second means (7) being formed to as to determine the vertical trajectory during the aircraft flight, successively as the flight proceeds, segment by segment, and comprising an element (14) for retrieving from the database (3) a profile section, and an element (15) for determining a vertical trajectory segment, using the retrieved profile section, based on the climb-out and let-down performances of the aircraft derived from said set (5) of data sources.