Abstract: A process and a device for detecting aircrafts circulating in an air space surrounding an airplane is disclosed. The device (1A) comprises means (2, 3) for detecting an aircraft circulating in the air space surrounding the airplane and, in case of a detection, for determining a first position and a second position of the aircraft with respect to the airplane, and means (8A) for comparing said first and second positions so as to check whether they match.

Abstract: A process and a device for automatically determining meteorological conditions in the vicinity of an aircraft is disclosed. The device (1) comprises a meteorological radar (2), able to determine the meteorological information associated with a primary geographical area ahead of an aircraft, and means (3, 4A, 4B) for automatically determining the meteorological conditions associated with a geographical area being extended with respect to the primary geographical area.

Abstract: A process for evaluating an error in the aircraft positioning as generated by an on-board positioning system is disclosed. The aircraft positioning as generated by the positioning system is recorded through radar means, the presence of at least one group of targets arranged on the ground is detected through said radar means, the position of such a group of targets is measured through said radar means with respect to the aircraft positioning, and the error in the aircraft positioning is evaluated, comparing with at least one threshold value the value of at least one reference magnitude being characteristic of the difference existing between the measured position and a known position of the group of targets with respect to the aircraft positioning.

Abstract: A process for evaluating an error in the aircraft positioning as generated by an on-board positioning system is disclosed. The aircraft positioning as generated by the positioning system is recorded through radar means, the presence of at least one group of targets arranged on the ground is detected through said radar means, the position of such a group of targets is measured through said radar means with respect to the aircraft positioning, and the error in the aircraft positioning is evaluated, comparing with at least one threshold value the value of at least one reference magnitude being characteristic of the difference existing between the measured position and a known position of the group of targets with respect to the aircraft positioning.

Abstract: A process and a device for detecting aircrafts circulating in an air space surrounding an airplane is disclosed. The device (1A) comprises means (2, 3) for detecting an aircraft circulating in the air space surrounding the airplane and, in case of a detection, for determining a first position and a second position of the aircraft with respect to the airplane, and means (8A) for comparing said first and second positions so as to check whether they match.

Abstract: A process and a device for automatically determining meteorological conditions in the vicinity of an aircraft is disclosed. The device (1) comprises a meteorological radar (2), able to determine the meteorological information associated with a primary geographical area ahead of an aircraft, and means (3, 4A, 4B) for automatically determining the meteorological conditions associated with a geographical area being extended with respect to the primary geographical area.

Abstract: A radar unit on board an aircraft scans a scan area of surrounding space relative to a runway to detect any nearby aircraft and a unit presents to a pilot an indication of such detection of the presence of at least one nearby aircraft. The technique involves determining: a heading of the aircraft, positions of thresholds of the runway, an orientation of the runway, a maximum relative bearing, a minimum relative bearing, a maximum elevation, a minimum elevation, a slant range for scanning the scan area from the heading, thresholds and orientation, predetermined vertical and horizontal angles of an approach center line of the runway, a predetermined length of edges of the scan area, and the scan commands enabling the radar to scan said scan area using the maximum relative bearing, the minimum relative bearing, the maximum elevation, the minimum elevation and the slant range.

Abstract: A device for determining a maximum lateral separation of a follower craft with respect to a lead craft. The device includes a first unit for deducing automatically from minimum turning radii of a lead craft and from a maximum turning radius of a follower craft, the maximum possible lateral separation of the follower craft with respect to the lead craft, on each side of the trajectory of the latter.

Abstract: A method and device that assist a pilot of a follower aircraft during a patrol flight, by presenting on a viewing screen an indicator that provides information as to the possibility of engagement of an automatic pilot during a patrol flight.

Abstract: A method and device for determining the lateral path of a moving body determine, from a first lateral path and a lateral distance dependent on external visibility, a second lateral path corresponding to a lateral flight path that is followed by the moving body.

Abstract: An aircraft cockpit display device for information concerning surrounding traffic includes devices to receive information coming from outside the aircraft, to know the flight parameters of the aircraft, to calculate projected trajectories of the aircraft and of a detected aircraft in the immediate vicinity, and to display a representation of the surrounding traffic through symbols and potential messages based on instructions received. A display command device is connected to an on-board calculator to know the flight phase of the aircraft. The display command device has a filtering device to define for each flight phase and/or crew task the nature and the level of information to be displayed.

Abstract: System for displaying on a first moving object a position indication dependent on a position of a second moving object. The system (1) comprises measurement means (2) for carrying out position measurements relating to at least one position dependent on the second moving object, processing means (3) mounted on the first moving object, and connected to the measurement means (2), and intended for the processing of said position measurements so as to produce a characteristic position, a display device (4) mounted on the first moving object, connected to the processing means (3), and presenting on a viewing screen (6), on a display illustrating at least partially the environment of the first moving object, a position indication which is situated at said characteristic position, and triggering means (7) for triggering the implementation of measurements by said measurement means (2).

Abstract: A device for assisting in the piloting of an aircraft includes a detecting device for detecting all the aircraft in the vicinity and a display device for presenting, on a display screen illustrating a vertical plane, characteristic symbols indicating the positions of these aircraft in the vicinity.

Abstract: A device for determining a flight trajectory of a follower aircraft during a patrol flight, as well as a system for aiding a patrol flight including such a device. The device including another device to determine a flight trajectory of a follower aircraft which allows the follower aircraft to fly along one and the same flight trajectory as a lead aircraft, but with a posterior duration equal to a particular temporal offset.

Abstract: A device for aiding the guidance of a follower aircraft forming part of a patrol, as well as a system for aiding a patrol flight employing such a device has a calculation unit for determining: (1) a first flight trajectory allowing a follower aircraft to follow a main lead aircraft in accordance with a main patrol configuration and (2) a second flight trajectory allowing the follower aircraft to follow an auxiliary lead aircraft in accordance with an auxiliary patrol configuration.

Abstract: The device (1) comprises a radar (2) which is able to detect any nearby aircraft and means (7) for presenting to a pilot an indication indicating, as appropriate, such a detection.

Abstract: A method and device for assisting in the piloting of an aircraft warning information to be generated if a risk of collision with an aircraft in the vicinity exists and a graphical characteristic representing a corresponding warning signal to be presented, on a display screen, in a vertical plane.

Abstract: Method and device for assisting a pilot of a follower aircraft during a patrol flight. The device (1) comprises a means (7) for presenting on a viewing screen (11) an indicator which provides information as to the possibility of engagement of an automatic piloting means during a patrol flight.

Abstract: Device for determining a flight trajectory of a follower aircraft during a patrol flight, as well as a system for aiding a patrol flight comprising such a device. The device (2A) comprises a means (7) for determining a flight trajectory of a follower aircraft which allows this follower aircraft to fly along one and the same flight trajectory as a lead aircraft, but with a posterior duration equal to a particular temporal offset.

Abstract: Device for aiding the guidance of a follower aircraft forming part of a patrol, as well as a system for aiding a patrol flight comprising such a device. The device (2A) comprises a calculation unit (4) for determining a first flight trajectory allowing a follower aircraft to follow a main lead aircraft in accordance with a main patrol configuration, and a second flight trajectory allowing the follower aircraft to follow an auxiliary lead aircraft in accordance with an auxiliary patrol configuration.