Aircraft terrain avoidance and alarm method and device

Details Aircraft terrain avoidance and alarm method and device Aircraft terrain avoidance and alarm method and device

G - Physics

08

G

G08G 5/04 (2006.01)

Patent

CA 2582358

The device (1) comprises a first means (2) knowing the profile of the terrain at least that which is located at the front of the aircraft, a second means (3) for determining an avoidance trajectory, a third means (4) which is connected to the first and second means (2, 3) and used to verify if there is a terrain collision risk for the aircraft, a fourth means (7) for emitting an alarm signal in the event of detection of a collision risk by the third means (4), at least one aircraft performance data base (Bi) relating to an avoidance maneouvring gradient which can be flown by the aircraft according to particular flight parameters, and a fifth means (9) for determining the effective values of the particular parameters during the flight of the aircraft, wherein the third means (3) is formed in such a way that it is possible to determine the avoidance trajectory according to the information received from the data base (Bi) and the fifth means (9) .

Le dispositif (1) comporte un premier moyen (2) connaissant le profil du terrain au moins à l'avant de l'aéronef, un deuxième moyen (3) pour déterminer une trajectoire d'évitement, un troisième moyen (4) relié aux premier et deuxième moyens (2, 3) pour vérifier s'il existe un risque de collision du terrain pour l'aéronef, un quatrième moyen (7) pour émettre un signal d'alerte en cas de détection d'un risque de collision par le troisième moyen (4), au moins une base de données (Bi) de performances de l'aéronef, relatives à une pente de manAEuvre d'évitement volable par l'aéronef, en fonction de paramètres de vol particuliers, et un cinquième moyen (9) pour déterminer au cours d'un vol de l'aéronef les valeurs effectives desdits paramètres particuliers, ledit deuxième moyen (3) étant formé de manière à déterminer la trajectoire d'évitement en fonction d'informations reçues de la base de données (Bi) et du cinquième moyen (9) .

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