Abstract: A method and devices for machine learning applied to the mission trajectories of an aircraft are provided. Learning data comprise mission trajectories determined by an MMS mission computer and the corresponding avionic trajectories, such as those determined by certified avionic systems. Developments describe in particular steps of evaluation, e.g. use of cost function or mission score, optimization of the mission trajectories by means of evolutionary, in particular genetic, methods, the use of fuzzy logic, the display of intermediate results or other things for explanatory purposes. Software and hardware aspects (e.g. neural networks) are described.

Abstract: Computer-implemented methods and systems for managing the lifecycle of aeronautical data stored in a blockchain, include steps of receiving or sending aeronautical data, and encrypting and/or decrypting these data using a smart contract. The use of a plurality of blockchains, and the facts and rules of management of the lifecycle of the data (e.g. programmed obsolescence, time-dependent quality indicator, etc.) are described. Transactional aspects; the use of oracle services; asymmetric, homomorphic and post-quantum encryption methods; the use of chameleon hash functions, so as to manipulate at least partially redactable blockchains; and machine-learning techniques, are in particular described with respect to a number of embodiments. Software and system aspects are described.

Abstract: Systems and computer-implemented methods for sharing aeronautical data, include steps of: maintaining a private blockchain, the blockchain involving a plurality of predefined parties; conditionally communicating aeronautical data, in response to a request by one party, via a mechanism for controlling the exchanges, the data being collected beforehand from aeronautical computers, e.g. on-board flight management systems (FMS) of aircraft. Extensions in particular describe the use: of mechanisms for providing compensation or remuneration for and managing access rights and/or licenses to use; smart contracts; mechanisms for auctioning or trading datasets; management of avionic and non-avionic data; learning techniques applied to the shared and consolidated data; management of side chains; post-quantum encryption. Software aspects are described.

Abstract: A method implemented by computer in or for a flight management system or FMS, comprises the steps of receiving requests issued by clients; determining a correspondence between the requests and predefined unitary services executable by at least one server associated with the FMS; queuing the unitary services determined in one or more queues; determining a response time associated with each request; and notifying at least one client of the response time to its request. Developments describe the processing of queues, the management of priorities, the existence of fixed-price contracts, caching mechanisms, interruptions of queues, cancellations of requests, voting mechanisms, etc. The unitary services in particular can be avionics services of ATA (Air Transport Association) type. Systems aspects and software aspects are described.

Abstract: A method for integrating a new navigation service is implemented in an avionics onboard system comprising a DAL+ core computer and a DAL? peripheral computer for managing the application. The method of integration determines an optimal functional and physical distribution of the elementary functions FU(i) of the new service within the onboard avionics system over the set of possible distributions which minimizes a global cost criterion CG, dependent on several parameters, including at least the additional development cost of the elementary functions integrated within the digital DAL+ core computer, and carries out the integration of the new service.

Abstract: The system executes services by an application called “server” for at least one application called “client.” A preliminary step establishes for each service a list of calculation parameters that can be varied in a given range, called “adjustable parameters” as well as time and quality of the said service information according to the value of the said parameters. At the request of a client for a given service, the method adjusts the value of the adjustable calculation parameters as a function of a given constraint, the service being executed using the adjusted values of the said parameters.

Abstract: A graphic interaction method for piloting an aircraft, comprises receiving an indication of an object selected on a display screen of the aircraft; determining one or more flight plan revisions of the aircraft associated with the selected object and displaying one or more of said flight plan revisions; receiving an indication of selection of a displayed revision; determining a revision type associated with the revision displayed and selected; and as a function of the revision type determined, displaying a tactile interface data entry graphic symbol. Developments notably concern the symbology used, the validation or the modification of a selected revision, the taking account of the flight context, the taking account of the speed of manipulation of the tactile interface, etc. System and software aspects are described. In particular, the human-machine interface may be exclusively of tactile type.

Abstract: A system executes services by a “server” for a “client”. A preliminary step establishes a list of available services of the server, set up for the client, in which a processing time is determined releasable by the server for the client per code execution cycle minor frame (“MIF”). The system creates on start-up: NT execution tasks for the client, each having a priority of execution level and an allocated average duration of execution, a number of execution tasks (NT) being at least 1, the sum of durations of the tasks being at most the releasable processing time; execution rules associating each of the tasks with at least one service of the list; then, during each MIF cycle, the system executes the services on their associated tasks, a task executed by priority and for at most its allocated average time of execution, the non-executed part of a service being executed on its associated task in the next cycle.

Abstract: A method for computing a setpoint trajectory of an aircraft comprising at least two subsets comprises the formulation and the solving of an optimization problem for the trajectory, and the formulation of the problem comprises at least the formulation of a constraint related to a transition of legs on at least one first subset of the trajectory, and the formulation of a constraint related to a transition of vertical flight phases on at least one second subset of the trajectory. The invention also relates to a system and a computer program for the computation of a trajectory.

Abstract: A method of graphical manipulation of the trajectory of an aircraft comprises the steps of receiving an indication of a deformation point associated with the trajectory of the aircraft; determining a zone of local modification of the trajectory of the aircraft as a function of the deformation point; computing a modified trajectory and graphically restoring the modified trajectory. A parameter associated with the indication of the deformation point, notably a speed and/or acceleration value (for example of the contact point on the touch-sensitive interface, or else of a cursor), is received or determined. A modified trajectory is computed by selecting a computation algorithm from among a plurality of faster or slower predefined algorithms; the selection being performed as a function of the parameter. Various other developments are described (configurable selection, trajectory modification bounds, processing of an arbitrary deformation point, i.e. one other than a point of the flight plan, etc.).

Abstract: A method implemented by computer for the display of information relating to the flight of an aircraft comprises receiving indication of a selection of an arbitrary display zone on a screen of an onboard computer of the aircraft; and reconfiguring the display, in response to the indication. Developments describe several geometric transformations, various display reconfigurations (e.g. centering of the display), the use of systems third party to the aircraft (e.g. taxiing computer, ground client, maintenance, terrain monitoring, traffic, weather), associated operations of revisions of the flight plan, the use of display rules (notably associated with the flight situation), and the emergency deactivation of the display reconfigurations. Computer programs and associated systems are also described (notably Man-System Interface, virtual and/or augmented reality).

Abstract: The trajectory coming from a planned trajectory, managed by a system, and from at least one trajectory section sent by a third party system to the system, the method at least comprises: a preliminary step in which a knowledge base is produced comprising the calculation parameters and their field of use for the moving object, several envelopes of parameters being defined within the field of use corresponding to different operational constraints of the moving object; a first step in which the system initializes the planned trajectory according to the parameters of the preliminary step, the calculation parameters of the planned trajectory being contained in one of the envelopes; a second step in which the system receives a trajectory section sent by the third party system in order to be inserted in the planned trajectory by replacing a part of the trajectory; a third step in which the received and accepted section is simplified by segmentation in such a way that its calculation parameters are contained in the at

Abstract: A method for integrating a new navigation service is implemented in an avionics onboard system comprising a DAL+ core computer and a DAL? peripheral computer for managing the application. The method of integration determines an optimal functional and physical distribution of the elementary functions FU(i) of the new service within the onboard avionics system over the set of possible distributions which minimizes a global cost criterion CG, dependent on several parameters, including at least the additional development cost of the elementary functions integrated within the digital DAL+ core computer, and carries out the integration of the new service.

Abstract: A method for assisting the navigation of an aircraft comprises: assembly by families of data by a processing unit of predetermined data and acquired data, including meteorological data, the families being predefined, each data value being associated with a time window of validity; formatting the data of the families to associate with each data value a type of graphical representation as text or a scalar, vector, surface, or volume; selection of families of data to be displayed; choice of a display time window for each family of data to be displayed; spatio-temporal discretization of the trajectory; spatio-temporal correlation of the discretized trajectory with each family of data as a function of the time windows of validity, in the display time windows of the family, to extract a sub-assembly from each family of data, by the processing unit; display of the sub-assemblies in a single representation on the same display screen.

Abstract: A device and method for flight management of an aircraft along a flight plan comprises a plurality of waypoints comprising a computation of the temporal predictions determining the temporal situation of the aircraft for each waypoint of the flight plan, a temporal situation of the aircraft being defined by at least one set of information from among the group comprising the target time of transit at each waypoint the estimated minimum and maximum times of arrival at each waypoint, the estimated time of transit at the waypoint, and a formatting and display simultaneously presenting the temporal situations of the said plurality of waypoints.

Abstract: A method for aiding navigation is provided, implemented in a flight management system, for the construction of a vertical trajectory of an aircraft following a predetermined lateral trajectory between a departure point and an arrival point; the departure point and arrival point furthermore being characterized by predefined altitudes, respectively Hd and Ha, and predefined speeds, respectively Vd and Va. The method comprises the steps of: selection of a transition manoeuvre in terms of altitude and speed from a predetermined list of manoeuvres; determination of a manoeuvre point PM on the lateral trajectory, of altitude Hd and of speed Vd, from which the transition manoeuvre must be initiated so as to allow the aircraft to reach at the arrival point the predefined speed Va and the predefined altitude Ha.

Abstract: In the field of the definition of a flight plan for an aircraft, a method is provided for determining an offset lateral trajectory from an initial lateral trajectory comprising a set of initial waypoints. The initial lateral trajectory and the offset lateral trajectory have two junction points in common, namely a point of entry and a point of exit. At least one of the junction points is distinct from the initial waypoints and from the current position of the aircraft. This first junction point can notably be defined so that the flight duration or the flight distance between the first and second junction points corresponds to a defined value.

Abstract: A method implemented by computer in or for a flight management system or FMS, comprises the steps of receiving requests issued by clients; determining a correspondence between the requests and predefined unitary services executable by at least one server associated with the FMS; queuing the unitary services determined in one or more queues; determining a response time associated with each request; and notifying at least one client of the response time to its request. Developments describe the processing of queues, the management of priorities, the existence of fixed-price contracts, caching mechanisms, interruptions of queues, cancellations of requests, voting mechanisms, etc. The unitary services in particular can be avionics services of ATA (Air Transport Association) type. Systems aspects and software aspects are described.

Abstract: A method for calculating a flight plan used by a flight management system of an aircraft in a runway approach phase comprises: loading an initial procedure ending at a first end point not corresponding to a threshold of the runway and a first associated missed approach procedure; determining an additional procedure and a second associated missed approach procedure; concatenating the initial procedure and the additional procedure in order to generate a continuous concatenated flight plan comprising the initial procedure, the first missed approach procedure, the additional procedure and the second missed approach procedure; loading the concatenated flight plan into an active flight plan; selecting a second procedure from a set comprising the first missed approach procedure and the additional procedure; activating the selected second procedure.

Abstract: The present invention relates to a method for computing a setpoint trajectory of an aircraft comprising at least two subsets. It is characterized in that it comprises the formulation and the solving of an optimization problem for the trajectory, and that the formulation of the said problem comprises at least the formulation of a constraint related to a transition of legs on at least one first subset of the trajectory, and the formulation of a constraint related to a transition of vertical flight phases on at least one second subset of the trajectory. The invention also relates to a system and a computer program for the computation of a trajectory.