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Applications from packages I to III
ASAS-TN seminar, Brighton, 11th-13th October 2004
Chris Shaw, EUROCONTROL Experimental Centre
Packages of ground surveillance /airborne surveillance applications
• Package I (2005-2011)– Ground surveillance applications– Airborne traffic situational awareness & airborne spacing
• Package 2 (2012-2020)– Enhancements of package I– ADS-B as a sole means of surveillance in high density
airspace– Airborne separation– Airborne self-separation in low-density
• Package 3 (>2020)– Enhancements of previous packages– Airborne self-separation in medium/high-density– …
Package I of ground surveillance /airborne surveillance applications
• Ground surveillance applications– ATC surveillance for enroute airspace– ATC surveillance in terminal areas– ATC surveillance in non-radar areas– Airport surface surveillance– Aircraft derived data for ground tools
• Airborne surveillance applications– 4 airborne traffic situational awareness
applications– 3 airborne spacing applications
ATC surveillance for en-route airspace
• Objective: to enhance ATC surveillance currently provided with radars e.g.surveillance areas where single radar coverage provided.
• Benefits:– More accurate position and track prediction (accuracy does not
vary with range and bearing)– Back-up for radar system
• Implementation considerations– No detrimental impact on flight
crew– Large network of ground ADS-B
receivers– Start en-route phased
development in low-density
ATC surveillance for terminal areas
• Objective: to enhance ATC surveillance currently provided with radars e.g. surveillance at low altitude and close to terrain and also in areas of single radar coverage.
• Benefits:– More accurate position and track prediction (accuracy does not
vary with range and bearing)– Back-up for radar system
• Implementation considerations– No detrimental impact on flight crew– Network of ground ADS-B stations
in TMA
ATC surveillance in non-radar areas
• Objective: to provide ATC surveillance in non-radar areas e.g. remote areas, offshore, operation areas, any continental areas and certain oceanic areas, which, due to traffic level or cost of equipment could not justify installation of radars.
• Benefits:– Surveillance with accurate position and
track prediction (accuracy does not vary with range and bearing)
– Controller can provide radar-like separation services instead of procedural
• Implementation considerations– No detrimental impact on flight crew– Large network of ground ADS-B
receivers
Airport surface surveillance
• Objective: to provide new source of surveillance information for ground movement management at airports with or without Surface Movement Guidance Control System. Airport ground vehicles can also be fitted with the necessary equipment and displayed on an airport map together with aircraft
• Benefits:– Controllers can provide safer
and more efficient surfacemovement services in lowvisibility conditions and at night
• Implementation considerations– No detrimental impact on flight
crew– Could be necessary to equip all
aircraft/vehicles
Aircraft derived data for ground tools
• Objective: to provide additional aircraft derived data through ADS-B for ground applications e.g. ATC displays, conflict detection tools, arrival and departure management tools, ground based safety nets and collaborative decision making applications
• Benefits:– ATC has feedback on such parameters as
autopilot selected heading, altitude, and flight management system next waypoints
• Implementation considerations– No detrimental impact on flight crew– Harmonisation with other data-link to
facilitate integration on-board aircraft e.g. Mode S, ADS-C
ADS-B Receiver ground-station
Package I of ground surveillance /airborne surveillance applications
• Ground surveillance applications• 5 applications
• Airborne surveillance applications– Airborne traffic situational awareness
• Enhanced traffic situational awareness on the airport surface
• Enhanced traffic situational awareness during flight operations
• Enhanced visual acquisition for see & avoid
• Enhanced visual separation on approach
– Airborne spacing• 3 applications
Enhanced traffic situational awareness on the airport surface
• Objective: to provide flight crew with an enhanced traffic situational awareness on the airport surface for both taxi and runway operations in all weather conditions
• Benefits:– Flight crew can more easily detect
unsafe conditions e.g. conflicts attaxiway crossings, before enteringa runway, on pushback)
– Reduced taxi time in particular duringlow visibility conditions or at night
• Implementation considerations– Traffic identification needs to be
re-visited– Essential to display all surrounding
relevant traffic
Enhanced traffic situational awareness during flight operations
• Objective: to provide flight crew with an enhanced traffic situational awareness irrespective of visual conditions
• Benefits:– Flight crews more able to
detect unsafe conditions– Better flight crew anticipation
and understanding reasonfor ATC instructions
• Implementation considerations– Traffic identification needs to
be re-visited– Essential to display all
surrounding relevant traffic (filtering)
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Enhanced visual acquisition for see & avoid
• Objective: to aid flight crews perform collision avoidance task when separation service not provided by ATC e.g. IFR/VFR in class D and E airspace, class G airspace
• Benefits:– Flight crews better able to
detect aircraft in blind spots– Improved safety of general
aviation or helicopter operations
• Implementation considerations– Benefits proportional to
number of aircraft equipped
Enhanced visual separation on approach
• Objective: to aid flight crews perform successive visual approaches when they are responsible for maintaining visual separation from the aircraft they are following
• Benefits:– Aid to visually acquiring and re-acquiring
target– Flight crew can efficiently cross-check
visually acquired target information e.g. range– Perform successive visual approaches on a
more regular basis• Implementation considerations
– Only pair-wise equipage required but maximum benefits from all equipped
Package I of ground surveillance /airborne surveillance applications
• Ground surveillance applications• 5 applications
• Airborne surveillance applications– Airborne traffic situational awareness
• 4 applications
– Airborne spacing• Enhanced sequencing and merging
operations• In-trail procedure in oceanic airspace• Enhanced crossing and passing
operations