FIELD: physics.
SUBSTANCE: aircraft comprises a collision avoidance system adapted to detect a collision risk with obstacles and said determination system. Method comprises determining set points from among flight path angle and speed set points, said set point depending on a vertical speed limit value, said set point comprising a vertical component in a vertical direction, each limit value being provided by the collision avoidance system following the detection of a collision risk with the obstacles. Avoidance guidance law is computed as a function of the set points. During the determination step, the set point comprises a longitudinal component in a longitudinal direction perpendicular to the vertical direction.
EFFECT: method for determining an obstacle avoidance guidance law for an aircraft is implemented by a system for determining said guidance law.
9 cl, 4 dwg
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