Abstract: The preparation of an avoidance path in the horizontal plane so that an aircraft can resolve a conflict of routes with another aircraft that entails a risk of collision within 5 to 10 minutes. This avoidance path minimizes the negative effects of the resultant route diversion on the flight plan of the aircraft. A method prepares an avoidance path with two parts. The first part is an evasive part with an initial heading such that the threatening aircraft takes a path, in relation to the threatened aircraft, that is tangential, on one side or the other, to the edges of the angle at which the threatening aircraft perceives a circle of protection plotted around the threatened aircraft. The radius of this circle of protection is equal to a minimum permissible separation distance. The second part of the evasive path is that of homing in on the initial route. This method of preparing an avoidance path can be implemented by a flight management computer.

Abstract: The present invention relates to the preparation of an avoidance path in the horizontal plane so that an aircraft can resolve a conflict of routes with another aircraft that entails a risk of collision within 5 to 10 minutes. This avoidance path minimizes the negative effects of the resultant route diversion on the flight plan of the aircraft. The object of the invention is a method for preparing an avoidance path with two parts. The first part is an evasive part with an initial heading such that the threatening aircraft takes a path, in relation to the threatened aircraft, that is tangential, on one side or the other, to the edges of the angle at which the threatening aircraft perceives a circle of protection plotted around the threatened aircraft. The radius of this circle of protection is equal to a minimum permissible separation distance. The second part of the evasive path is that of homing in on the initial route.