EP3813038A1 - Procédé et système pour faciliter l'atterrissage d'un aéronef - Google Patents

Procédé et système pour faciliter l'atterrissage d'un aéronef Download PDF

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Publication number
EP3813038A1
EP3813038A1 EP19306382.3A EP19306382A EP3813038A1 EP 3813038 A1 EP3813038 A1 EP 3813038A1 EP 19306382 A EP19306382 A EP 19306382A EP 3813038 A1 EP3813038 A1 EP 3813038A1
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EP
European Patent Office
Prior art keywords
airports
airport
module
sub
radius
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP19306382.3A
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German (de)
English (en)
Inventor
Tanushree GARAI
Srushti VIRDHE
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Airbus Operations SAS
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Airbus Operations SAS
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Publication date
Application filed by Airbus Operations SAS filed Critical Airbus Operations SAS
Priority to EP19306382.3A priority Critical patent/EP3813038A1/fr
Publication of EP3813038A1 publication Critical patent/EP3813038A1/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/0004—Transmission of traffic-related information to or from an aircraft
    • G08G5/0008—Transmission of traffic-related information to or from an aircraft with other aircraft
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/0004—Transmission of traffic-related information to or from an aircraft
    • G08G5/0013—Transmission of traffic-related information to or from an aircraft with a ground station
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/0017—Arrangements for implementing traffic-related aircraft activities, e.g. arrangements for generating, displaying, acquiring or managing traffic information
    • G08G5/0021—Arrangements for implementing traffic-related aircraft activities, e.g. arrangements for generating, displaying, acquiring or managing traffic information located in the aircraft
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/0017—Arrangements for implementing traffic-related aircraft activities, e.g. arrangements for generating, displaying, acquiring or managing traffic information
    • G08G5/0026—Arrangements for implementing traffic-related aircraft activities, e.g. arrangements for generating, displaying, acquiring or managing traffic information located on the ground
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/003—Flight plan management
    • G08G5/0039—Modification of a flight plan
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/0047—Navigation or guidance aids for a single aircraft
    • G08G5/0056—Navigation or guidance aids for a single aircraft in an emergency situation, e.g. hijacking
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/0073—Surveillance aids
    • G08G5/0086—Surveillance aids for monitoring terrain
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/0073—Surveillance aids
    • G08G5/0091—Surveillance aids for monitoring atmospheric conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/02—Automatic approach or landing aids, i.e. systems in which flight data of incoming planes are processed to provide landing data
    • G08G5/025—Navigation or guidance aids

Definitions

  • the present disclosure relates to a method and a system for automatically determining a list of ranked optimal diversion airports suitable for the landing of an aircraft.
  • a diversion operation is a cumbersome process which involves multiple stakeholders such as the Flight Management System (FMS) which provides possible alternate diversion airports; the pilot who considers additional factors as terrain, weather; and Air Traffic Controller (ATC) who adds more information such as traffic in the airspace and possibility of diversion to the airport in terms of current runway conditions, available landing systems, etc.
  • FMS Flight Management System
  • ATC Air Traffic Controller
  • So pilot is required to consider a large number of factors and constraints so as to make a decision by selecting one of the airports for diversion in an emergency situation or otherwise.
  • the pilot also has to communicate with ATC constantly as the decision making process is iterative. Thus, in an emergency situation, the pilot has a large workload.
  • Document US 2008/0243318 proposes a method and a device for providing a list of the closest alternate diversion airports for display.
  • the airports listed by the method are determined from an on-board database. So, when the pilot has to decide on the airport, he will have to communicate iteratively with ATC for airports that are not in the on-board database. Thus, the pilot's workload remains large.
  • a purpose of the present disclosure is to overcome this disadvantage by proposing a method and a system allowing the reduction of the pilot's workload by increasing autonomy.
  • the disclosure herein relates to a method for automatically determining a list of ranked optimal diversion airport or airports suitable for the landing of an aircraft.
  • the method comprises:
  • airports information from on-board database as well as from on-ground database can be collated. So, when the pilot decides on airport, his/her decision is based on a global view. This avoids the current iterative decision making process.
  • the method allows the reduction of the pilot's workload and enables the pilot to be in monitoring role rather than control or decision making role.
  • the step of searching for airport or airports comprises:
  • the iteration being carried out until the radius of the circle is greater than or equal to the maximum radius or until an emergency is monitored; if an emergency is monitored, the method comprising:
  • the set of sub-steps is implemented by iteration until the radius of the circle is greater than or equal to a maximum radius or until an emergency is monitored, the set of sub-steps further comprising a sub-step of monitoring, implemented by a monitoring sub-module, comprising monitoring whether there is an emergency, the sub-step of calculating along-track distance being implemented by the calculating sub-module if no emergency is monitored.
  • the diversion procedure meets the constraints at least:
  • the method comprises:
  • the method comprises:
  • the disclosure herein also relates to a system for automatically determining a list of ranked optimal diversion airport or airports suitable for the landing of an aircraft.
  • the system comprises:
  • the search module comprises:
  • the iteration being carried out until the radius of the circle is greater than or equal to the maximum radius or until an emergency is monitored; the system further comprising the following modules implemented if an emergency is monitored:
  • the set of sub-modules is implemented by iteration until the radius of the circle is greater than or equal to a maximum radius or until an emergency is monitored, the set of sub-modules further comprising a monitoring sub-module configured for monitoring whether there is an emergency, the calculating sub-module being implemented if no emergency is monitored.
  • the diversion procedure meets the constraints at least:
  • system comprises:
  • the system comprises:
  • the disclosure herein also relates to an aircraft, in particular a transport aircraft, which is provided with a system for automatically determining a list of ranked optimal diversion airport or airports suitable for the landing of an aircraft, such as the one described above.
  • the system 1 for automatically determining a list of ranked optimal diversion airport or airports AP suitable for the landing of an aircraft AC is shown schematically in figure 1 . In the rest of the description, said system will be called "system for determining”.
  • the system for determining 1 may be hosted in ground control or may be on-board as an electronic flight bag (EFB).
  • EFB electronic flight bag
  • the system for determining 1 further comprises a search module (SEARCH) 3 configured for searching by iteration for at least one airport AP from on-board database (DATABASE1) DB1 of airports positions and on-ground database (DATABASE2) DB2 of airports positions.
  • SEARCH search module
  • the on-board database DB1 may be comprised by the navigation database of the flight management system (FMS).
  • the on-ground database DB2 may be comprised by the air traffic control (ATC).
  • the airport or airports AP are searched in a circle C so as to memorize the airport or airports AP in a memory (MEM) 4.
  • the circle C has a centre CT that corresponds to the current position P of the aircraft AC and a radius Rn that increases from an initial radius R0 by a predetermined increment on each iteration. The iteration is carried out at least until the radius Rn of the circle C is greater than or equal to a maximum radius Rmax.
  • the circle C that has the maximum radius Rmax corresponds to the limit distance which can be flown by the aircraft AC, taking into account the quantity of fuel available on board ( figure 3 ).
  • the current position P of the aircraft AC can be determined by a determining module (DET) 2 configured for determining a current position P of the aircraft AC.
  • the determining module 2 may be any usual sensors that are configured for determining the current position P of the aircraft AC.
  • the system for determining comprises a ranking module (RANK1) 5 configured for ranking the airport or airports AP memorized in the memory 4.
  • the airport or airports AP are ranked by considering a quantity of fuel on board of the aircraft AC that can be used for flying a first along-track distance or distances determined from approach and arrival procedures related to the memorized airport or airports AP so as to establish a first list of ranked airports.
  • a first along-track distance is determined for each of the airport or airports AP.
  • the determination of the first along-track distance takes into account the entire flight plan profile and the approach procedure until the landing of the aircraft AC on the runway of the related airport AP.
  • the distance from the current position P of the aircraft AC to the final approach fix (FAF) via an arrival procedure is determined. Additionally, the distance of the landing procedure is added based on the available landing systems and runway conditions.
  • the system for determining 1 also comprises a transmitting module (TRANSMIT1) 6 configured for transmitting to a user unit (DISPLAY) 7 a signal representative of the first list of ranked airports.
  • the user unit 7 may be a display unit that displays at least the first list of ranked airport.
  • Figure 4 shows an example of display.
  • two tables are displayed: a first table TABLE1 showing the closest airports ranked and a second table TABLE2 showing the optimal diversion airports.
  • the airports AP are ranked vertically from the closest to the most distant.
  • the airports AP are ranked vertically from the most optimal for diversion to the least optimal for diversion.
  • the first column C1 displays identifiers of the airports AP.
  • the second column C2 displays the distance (DIST) between the current position P of the aircraft AC and the position of said airport AP.
  • the third column C3 displays the bearing (BRG).
  • Other columns C4 display other useful indications.
  • the ranking module 5 and the transmitting module 6 are operated if the radius Rn of the circle C is greater than or equal to the maximum radius Rmax.
  • the search module 3 may comprise a search sub-module (SEARCH_SUB1) 31 configured for searching for at least one airport AP in an initial circle whose centre corresponds to the current position P of the aircraft AC and whose radius Rn is equal to the initial radius R0.
  • the search sub-module 31 allows the initialisation of the search by iteration.
  • the search module further comprises a set of sub-modules implemented by iteration until the radius Rn of the circle C is greater than or equal to the maximum radius Rmax.
  • the set of sub-modules may comprise an incrementing sub-module 32 (INCREMENT_SUB) configured for incrementing the radius Rn of the circle C by a predetermined increment.
  • the predetermined increment is preferably equal to the initial radius R0.
  • the set of sub-modules may further comprise a search sub-module (SEARCH_SUBn) 33 configured for searching for at least one airport AP in a circle whose centre corresponds to the current position P of the aircraft AC and whose radius Rn is equal to the radius incremented by the incrementing sub-module 32.
  • the airport or airports AP are searched from the on-board database DB1 of airports positions and from the on-ground database DB2 of airports positions.
  • the set of sub-modules may comprise a determining sub-module (DET_SUB) 34 configured for determining diversion procedures for the airport or airports AP found by the search sub-module 33.
  • a diversion procedure is determined for the airport or each of the airports AP. The determination of the diversion procedure is based on approach and arrival procedure related to the airport AP for which the diversion procedure is determined.
  • the set of sub-modules may comprises a filtering sub-module (FILTER_SUB) 35 configured for filtering the airport or airports AP found by the search sub-module 33.
  • the filtering is done by eliminating the airport or airports AP whose diversion procedures do not meet some constraints (CONSTRAINTS) 40 and by memorizing in the memory 4 the airport or airports AP whose diversion procedures meet the constraints 40.
  • the diversion procedure meets the constraints 40 at least:
  • the external factors may be weather, terrain and obstacles, runway conditions, landing system compatibility, airspace and airlines policies, etc.
  • the diversion procedure meets the constraints 40 if the weather or the runway conditions or the landing system or the airspace and airlines policies allow the landing of the aircraft AC at the airport AP for which the diversion procedure is determined.
  • the external factors may be approach and arrival procedures broadcasted by other aircraft in the airspace as well.
  • the set of sub-modules may further comprise a calculating sub-module (CALCULATE_SUB) 37 configured for calculating the first along-track distance or distances to the airport or airports AP memorized by the filtering sub-module 35 from approach and arrival procedures of the memorized airport or airports AP.
  • a calculating sub-module (CALCULATE_SUB) 37 configured for calculating the first along-track distance or distances to the airport or airports AP memorized by the filtering sub-module 35 from approach and arrival procedures of the memorized airport or airports AP.
  • the system for determining 1 may also include:
  • the system for determining 1 can be applied to several aircraft in an airspace for collaborative diversion.
  • the iteration is carried out until the radius Rn of the circle C is greater than or equal to the maximum radius Rmax or until an emergency is monitored.
  • the set of sub-modules is than implemented by iteration until the radius Rn of the circle C is greater than or equal to a maximum radius Rmax or until an emergency is monitored.
  • the set of sub-modules may further comprise a monitoring sub-module (MONITOR_SUB) 36 configured for monitoring whether there is an emergency.
  • the calculating sub-module 37 is implemented if no emergency is monitored.
  • system for determining 1 further comprises the following modules implemented if an emergency is monitored.
  • system for determining 1 may also include:
  • the modules and sub-modules are integrated in a central processing unit or a computer.
  • modules and sub-modules may correspond to algorithms implemented in a software manner in the central processing unit.
  • modules and sub-modules can be stored in a memory area of the central processing unit.
  • the system for determining 1, such as described above, implements the following set of steps of a method for automatically determining a list of ranked optimal diversion airport or airports AP suitable for the landing of an aircraft AC ( figure 2 ).
  • the method comprises:
  • the method may comprise:
  • step S2 of searching for airport or airports AP comprises:
  • step S2 further comprises a set of sub-steps operated by iteration until the radius Rn of the circle C is greater than or equal to the maximum radius Rmax.
  • the set of sub-steps comprising:
  • the iteration is carried out by the set of sub-modules until the radius Rn of the circle C is greater than or equal to the maximum radius Rmax (output arrow "Yes” from decision block “Rn ⁇ Rmax") or until an emergency is monitored (output arrow "Yes” from decision block "S26").
  • the method comprises:
  • the set of sub-steps is operated by iteration until the radius Rn of the circle C is greater than or equal to a maximum radius Rmax or until an emergency is monitored.
  • the set of sub-steps further comprises a sub-step S26 of monitoring, implemented by the monitoring sub-module 36, comprising monitoring whether there is an emergency.
  • the sub-step S27 of calculating along-track distance is implemented by the calculating sub-module 37 if no emergency is monitored.
  • the method may comprise:

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Traffic Control Systems (AREA)
EP19306382.3A 2019-10-24 2019-10-24 Procédé et système pour faciliter l'atterrissage d'un aéronef Withdrawn EP3813038A1 (fr)

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EP19306382.3A EP3813038A1 (fr) 2019-10-24 2019-10-24 Procédé et système pour faciliter l'atterrissage d'un aéronef

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5842142A (en) * 1995-05-15 1998-11-24 The Boeing Company Least time alternate destination planner
US20080243318A1 (en) 2007-02-07 2008-10-02 Airbus France Device and method for assisting in the management of an engine failure on an aircraft
US8565944B1 (en) * 2009-10-13 2013-10-22 The Boeing Company Alternate diversion airport planner
US9310222B1 (en) * 2014-06-16 2016-04-12 Sean Patrick Suiter Flight assistant with automatic configuration and landing site selection method and apparatus
US20160229554A1 (en) * 2015-02-11 2016-08-11 Honeywell International Inc. Cockpit display systems and methods for generating navigation displays including landing diversion symbology
US20180322793A1 (en) * 2017-05-03 2018-11-08 Honeywell International Inc. System & method for determining diversion airports for landing in adverse conditions

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5842142A (en) * 1995-05-15 1998-11-24 The Boeing Company Least time alternate destination planner
US20080243318A1 (en) 2007-02-07 2008-10-02 Airbus France Device and method for assisting in the management of an engine failure on an aircraft
US8565944B1 (en) * 2009-10-13 2013-10-22 The Boeing Company Alternate diversion airport planner
US9310222B1 (en) * 2014-06-16 2016-04-12 Sean Patrick Suiter Flight assistant with automatic configuration and landing site selection method and apparatus
US20160229554A1 (en) * 2015-02-11 2016-08-11 Honeywell International Inc. Cockpit display systems and methods for generating navigation displays including landing diversion symbology
US20180322793A1 (en) * 2017-05-03 2018-11-08 Honeywell International Inc. System & method for determining diversion airports for landing in adverse conditions

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