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VDL Mode 4 Supporting Surveillance 17-19 November 2003Seminar on the Implementation of Datalink and SATCOM Communications1 VDL Mode 4 Supporting Surveillance.

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Presentation on theme: "VDL Mode 4 Supporting Surveillance 17-19 November 2003Seminar on the Implementation of Datalink and SATCOM Communications1 VDL Mode 4 Supporting Surveillance."— Presentation transcript:

1 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications1 VDL Mode 4 Supporting Surveillance by Larry Johnsson and Fredrik Lindblom Swedish Civil Aviation Administration (SCAA)

2 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications2 Issues addressed VDL Mode 4 supporting Surveillance applications –ADS-B Benefits provided by ADS-B based on VDL Mode 4 VDL Mode 4 activities –Implementation –Projects Why VDL Mode 4?

3 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications3 ADS-B the enabler of the ICAO Global ATM Concept = Revolution in aviation All parties have access to the same information!

4 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications4 Cockpit display CDTI Position reports ADS-B Air Traffic Control VDL Mode 4 supporting surveillance

5 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications5 Ground Stations Ground network ATC AOC Extending the coverage Ground Network

6 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications6 ADS-C and ADS-B are complementary VHF DL ATN SATELLITE DL HF DL Cockpit display Air Traffic Services Mode S Extended Squitter VDL Mode 4

7 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications7 Cockpit display (CDTI) – airborne sitution Gives pilot a display of surrounding traffic

8 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications8 Cockpit display (CDTI) – ground situation

9 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications9 GNSS Augmentation VDL Mode 4 Ground Station Advanced Surface Movement Guidance and Control System A-SMGCS A-SMGCS combins: ADS-B GNSS augmentation COM

10 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications10 Applications of CDTI and Moving Map Separation maintenance –Station keeping –Parallel approach monitoring –In-trail climbs Surface movement guidance –Airport navigation –Runway Incursion Warning Data link interface –Display ATIS messages –Display CPDLC messages

11 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications11 Airborne Benefits of ADS-B Cockpit Display of Traffic Information (CDTI) –Better pilot situation awareness Airborne Separation Assurance (ASAS) –Package 1 applications identified –Specification and requirements under development New operational procedures, involving both controllers and pilots, will open opportunities for gaining benefits from new technology –E.g. The MFF program is doing an operational simulation of how to use intent information during transition between unmanaged and managed airspace (i.e. from free flight into controlled airspace) (24-29 Nov 2003 at LFV ATM R&D Centre in Malmö, Sweden)

12 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications12 Ground Benefits of ADS-B Much simplified surveillance infrastructure –Reduced costs for ground infrastructure –Provides coverage on ground as well as en-route Aircraft intent and status information available on the ground –ATM more precise Complements use of radar in dense traffic areas Eliminates need for radar in non dense traffic areas

13 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications13 MEDUP / MFF NUP SEAP Joint Control Board JCB Mongolia East Gate Russia Tyumen Stockholm Kiruna SUPRA NEAN NAAN PETAL II NEAP FREER III Southern Ring M-ADS MA-AFAS DEFAMME / BETA CDM G2G ADS Programme EUROCAE MOPS ETSI European Norm RFG VDL Mode 4 activities (implementation and projects)

14 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications14 Swedish Civil Aviation Administration ADS-B implementation in Sweden

15 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications15 Kiruna Implementation of VDL Mode 4 Ground Stations Arlanda VidselLuleåLandvetterSturupSundsvallNorrköpingÖstersundUmeåBrommaKarlstadJönköpingKalmarÄngelholmRonnebyVisbyIdreBorlängeHemavanStoruman Söderhamn Växjö ADS-B implementation in Sweden In total 23 ground stations

16 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications16 Surveillance infrastructure Radar replacement program finalised in 2000 –12 new MSSR stations –1 PSR station Poor coverage in north Investment in radar systems to get full coverage is not possible to justify Radar infrastructure will eventually be replaced by ADS-B ADS-B infrastructure can be installed at 5-10% of the cost for a new Mode-S/SSR infrastructure

17 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications17 ADS-B in Kiruna Kiruna is the most northern airport < 7000 ft Procedural ATC Airlines (2) require improved SUR service 10 scheduled movements per day Some charter Limited GA and Military traffic Experimental activities (e.g. UAV) Aircraft winter testing VDL Mode 4 and ADS-B from Q1 2004

18 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications18 Benefits: Kiruna – Non-radar airspace Increased safety Increased efficiency in bad weather conditions Cost effective surveillance in remote area En-route TMA – Flexible approaches Surface – Runway incursion Joint venture with Eurocontrol for validation of ADS-B in non-radar airspace (Package 1) Considering a mandatory carriage of ADS-B based on VDL Mode 4 in non radar airspace

19 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications19 A-SMGCS New ground surface radar system at Arlanda includes ADS-B based on VDL Mode 4 ADS-B input to A-SMGCS Operational at Arlanda in Q Gothenburg, Sturup next SAS might require the same in Copenhagen and Oslo ATIS broadcast over VDL Mode 4 in parallel to ACARS INFO-B system

20 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications20 ATM System 2000 – New ATM system for whole Sweden –Delivered by AIRSYS –First part in operation in Dec 2003 –Plans to implement ADS-B SMART – ATC Simulator at LFV ATM R&D Centre, co- located with the Swedish ATS Academy (SATSA) –Ongoing up-date Implementing Data Link functionality Full implementation of ADS (ADS-C and ADS-B) –Delegated Airborne Separation during Approach and Departure simulated in May 2000 –Mongolian ADS (ADS-C + ADS-B) simulation in Nov 2002 –Use of intent information during transition between unmanaged and managed airspace (i.e. from free flight into controlled airspace), MFF Programme in Nov 2003 –A-SMGCS, NUP and G2G in 2004

21 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications21 Sweden – Russia – Finland Cooperation Joint ADS-B development Assure interoperability Standardisation of different interfaces, applications and networks Aligned ADS-B implementation platform Stockholm – Helsinki – S:t Petersburg – Moscow Assure transparent operations

22 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications22 Nordic Flow a joint CDM initiative Increased accuracy/predictability in the Nordic environment (Adherence to time table – Airline, ATC, Airport) Increased flexibility to sequence aircraft in a collaborative fashion at ARN, OSL, CPH On time, first served operations Improved efficiency and follow up of the turn around process at addressed airports Improved use/follow up of optimal flight profile (4-D) in Nordic airspace Real time awareness of SAS fleet at selected sites (same view as ATC)

23 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications23 VDL Mode 4 Mode S ES VDL Mode 4 and Mode S ES (1090) are complementary AMCP and SCRSP (AMCP/7) concluded that VDL Mode 4 and Mode S ES (1090) are complementary –Mode S ES was developed as an enhancement of ACAS/TCAS requiring high up-date rates and short range –VDL Mode 4 was developed for ASAS applications requiring long range System and frequency diversity, i.e. providing independency and redundancy –ACAS/TCAS: last resort safety net (collision avoidance) –Surveillance and ASAS: normal operation (conflict management) Vehicles General Aviation Military HelicopterCommercial aviation VDL Mode 4 Mode S ES

24 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications24 Introduction of applications 1090 VDL Mode 4 CDTI Introduction ATC Integration Air / Ground integration Technology is not the end state Benefits will come when applications, services and operational procedures are implemented ADS-B Out -ATC improvements -Surface operations -Non radar environment -Special operations ADS-B In, step I -ASAS/ Spacing -Awareness -Partial delegation -CDTI ADS-B In, step II -Advanced ASAS -Full delegation -Conflict Detection and Resolution Time Package I Package II, III...

25 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications25 VDL Mode 4 channel management scheme The two Global Signalling Channels are the door into VDL Mode 4 Simultaneous operation on two channels for capacity and redundancy ICAO EANPG FMG developed a plan for providing two frequencies in the COM band, assuming that two will be available in the NAV-band 108 MHz VHF Communication band VHF Navigation band 118 MHz 137 MHz Other bands GSC1 GSC2 RSC1 RSC2 LSC1 ATN CPDLC TIS-B, FIS-B Narrow band (25 kHz) Multi channel Directory of Services (DoS)

26 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications26 Increased safety and security by knowing position VDL Mode 4 includes functions for independent verification of reported position data by range measurements to the originating transmitter (applicable to all transmissions) Advanced ASAS applications will require authentication functions that might require exchange of encrypted information over a point-to-point data link (air-to-air) in combination with ADS-B ADS-B ensures that many pair of eyes are watching How does aircraft A know that aircraft B is telling the true position? How does ATC know that CPDLC transmissions from aircraft A are not spoofed? Emerging concerns when considering ASAS applications... CDTI Position reports ADS-B Air Traffic Control A B

27 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications27 Why VDL Mode 4? VHF radios requires 1-10 W power ( W for broadband systems), i.e. all user groups supported. Low multipath propagation in VHF provides extremely good performance on airports, i.e. supports Gate-to-Gate. Proven capabilities for all phases of flight. Supports long term operational improvements fully in line with ICAO Global ATM Operational concept. Flexible message structure and the channel management concept provides a high level of adaptability, flexibility and growth potential. The only standardised datalink supporting air-to-air point-to-point connectivity which is an emerging requirement for advanced ASAS applications. Redundant datalink supporting time critical data exchange. Implementation of the ICAO Global ATM Concept as invisaged, implies that no time for new system development is available.

28 VDL Mode 4 Supporting Surveillance November 2003Seminar on the Implementation of Datalink and SATCOM Communications28 Thank you for your attention! More information: CD: VDL Mode 4 in CNS/ATM – Master Document


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