Abstract: The invention relates to a reconfiguration process for an aircraft environment surveillance device including at least two redundant electronic systems (2, 2?), where each system includes at least two surveillance sets (4-10, 4?-10?) able to provide information about the aircraft's environment. The inventive method and apparatus includes the following steps and structures: detection of simultaneous unavailability (S1, S4) of at least one surveillance set of the first system (4-10) and of at least one surveillance set of a second system (4?-10?); and, in the case where at least two unavailable sets (4-10, 4?-10?) are not redundant sets, automatic selection (S3, S6) of the information obtained, on the one hand, from the available surveillance sets of the first system (4-10), and, on the other hand, from the redundant surveillance set or sets of the second system (4?-10?) that matches the unavailable surveillance set or sets of the first system (4-10).

Abstract: According to the invention, a terrain avoidance maneuver is engaged when the alerts of a given pair of alerts are emitted simultaneously, the triggering of one of the alerts depending on the information provided by a first measurement chain and the triggering of the other alert of the pair relying on information provided by a second measurement chain, distinct from and independent of the first chain.

Abstract: An aircraft ground or sea approach anomaly detection method. The method includes the steps of characterizing a flight phase of the aircraft, determining a prohibited flight envelope, defining a set of prohibited vertical speeds of the aircraft for given altitudes in relation to the ground or the sea, as a function of the flight phase of the aircraft characterized, and detecting a ground approach anomaly of the aircraft as a function of a current vertical speed and altitude in relation to the ground or the sea of the aircraft, in relation to the prohibited flight envelope determined.

Abstract: Method for automatically reloading software characterized in that it comprises: a step of detecting corruption (E101) of at least one part of a software package of an on-board programmable device (10-1, 10-2, 10-n); and, in response to signaling, a step of reloading (E103) a non-corrupt version of the said at least one corrupt part of the software in order to replace the said at least one corrupt part of the software.

Abstract: The present invention relates to a system (1) and an associated method for managing audio warning messages in an aircraft. The system (1) comprises a plurality of monitoring systems (10, 20) capable of detecting the establishment of at least one warning condition (CA), and comprises a central broadcasting module (40), to which each of the monitoring systems is connected and which is capable of broadcasting an audio message (SIG) corresponding to a detected warning condition. In particular, in this system (1), the said central broadcasting module (40) comprises means (402, 420) for determining at least one priority warning condition among the warning conditions detected by the monitoring systems, and means (410, 430) for generating at least one audio message (SIG) corresponding to the at least one determined priority warning condition, in order to broadcast it.

Abstract: Method and system for predicting the possibility of complete stoppage of an aircraft on a landing runway. According to the invention: a) the altitude (H) of the aircraft (2) is measured and the horizontal distance (D) separating said aircraft (2) from the proximal end threshold (4) of the landing runway (1) is calculated; b) an estimated finishing position (21) of said aircraft on said landing runway (1) is calculated on the basis of the altitude (H) and of the horizontal distance (D) determined in a), as well as on the basis of the angle of approach (?); and c) said estimated finishing position (21) calculated in b) is utilized to determine said possibility.

Abstract: Method for automatically reloading software characterized in that it comprises: a step of detecting corruption (E101) of at least one part of a software package of an on-board programmable device (10-1, 10-2, 10-n); and, in response to signaling, a step of reloading (E103) a non-corrupt version of the said at least one corrupt part of the software in order to replace the said at least one corrupt part of the software.

Abstract: The invention relates to a reconfiguration process for an aircraft environment surveillance device including at least two redundant electronic systems (2, 2?), where each system includes at least two surveillance sets (4-10, 4?-10?) able to provide information about the aircraft's environment. The inventive method and apparatus includes the following steps and structures: detection of simultaneous unavailability (S1, S4) of at least one surveillance set of the first system (4-10) and of at least one surveillance set of a second system (4?-10?); and, in the case where at least two unavailable sets (4-10, 4?-10?) are not redundant sets, automatic selection (S3, S6) of the information obtained, on the one hand, from the available surveillance sets of the first system (4-10), and, on the other hand, from the redundant surveillance set or sets of the second system (4?-10?) that matches the unavailable surveillance set or sets of the first system (4-10).

Abstract: A method for monitoring the flight of an aircraft using two navigation screens respectively dedicated to a pilot and to a copilot of the aircraft is provided. The method includes displaying on the screens, depending on the choice of the pilot and the copilot, at least information relating to the following of terrain by the aircraft or information relating to meteorological conditions that the aircraft encounters during the flight, triggering at least one warning representative of hazardous meteorological conditions detected by the meteorological radar and liable to be encountered by the aircraft while the navigation screens of the pilot and copilot simultaneously are displaying the terrain-following information, wherein the at least one warning is triggered when the information relating to the hazardous meteorological conditions is located in a predetermined volume relative to the aircraft, and displaying the warning on at least one of the navigation screens.

Abstract: An altitude profile representative of the terrain overflown by an aircraft is established. Thereafter, an altitude limit curve which comprises an intersection with the altitude profile upon the engagement of a terrain avoidance maneuver is determined. As soon as there is no longer any intersection of the limit curve with the altitude profile, the terrain avoidance maneuver is interrupted.

Abstract: The present invention relates to a system (1) and an associated method for managing audio warning messages in an aircraft. The system (1) comprises a plurality of monitoring systems (10, 20) capable of detecting the establishment of at least one warning condition (CA), and comprises a central broadcasting module (40), to which each of the monitoring systems is connected and which is capable of broadcasting an audio message (SIG) corresponding to a detected warning condition. In particular, in this system (1), the said central broadcasting module (40) comprises means (402, 420) for determining at least one priority warning condition among the warning conditions detected by the monitoring systems, and means (410, 430) for generating at least one audio message (SIG) corresponding to the at least one determined priority warning condition, in order to broadcast it.

Abstract: According to the invention, a terrain avoidance maneuver is engaged when the alerts of a given pair of alerts are emitted simultaneously, the triggering of one of the alerts depending on the information provided by a first measurement chain and the triggering of the other alert of the pair relying on information provided by a second measurement chain, distinct from and independent of the first chain.

Abstract: According to the invention, an altitude profile (PA) representative of the terrain overflown by the aircraft (AC) is established, and then an altitude limit curve (C) which comprises an intersection with said profile (PA) upon the engagement of a terrain avoidance maneuver is determined. As soon as there is no longer any intersection of the limit curve (C) with the altitude profile (PA), said terrain avoidance maneuver is interrupted.

Abstract: A method for monitoring the flight of an aircraft consisting in triggering a warning representative of hazardous meteorological conditions liable to face the aircraft while the navigation screen is displaying the terrain-following information.

Abstract: Method and system for predicting the possibility of complete stoppage of an aircraft on a landing runway. According to the invention: a) the altitude (H) of the aircraft (2) is measured and the horizontal distance (D) separating said aircraft (2) from the proximal end threshold (4) of the landing runway (1) is calculated; b) an estimated finishing position (21) of said aircraft on said landing runway (1) is calculated on the basis of the altitude (H) and of the horizontal distance (D) determined in a), as well as on the basis of the angle of approach (?); and c) said estimated finishing position (21) calculated in b) is utilized to determine said possibility.