Patent ID: 7120540

Claim:
A display device for terrain anticollision equipment carried onboard an aircraft detecting the risks of collision of the aircraft with the terrain and/or ground obstacles by comparison, of at least one protection envelope constructed around the short term predicted trajectory of the aircraft, with a representation of an envelope of the terrain and/or of the ground obstacles overflown and by detection of the intrusion, into the said protection envelope or envelopes, of the terrain and/or of the ground obstacles overflown, said display device displaying, on one or more screens installed onboard, an image representing in at least two dimensions of the envelope of the terrain and/or of the obstacles, in the form of superposed slices assigned false colors and/or various textures and/or symbols referenced with respect to a reference display altitude, and comprising: means for adjustment that vary the reference display altitude when a risk of terrain collision is detected as a function of: the slopes of the trajectory of the aircraft at the instant of detection of a risk of terrain collision and at the present instant, a short term predicted altitude for the aircraft; and the instantaneous altitude of the aircraft.