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Bernhard Czerlitzki German Aerospace Center (DLR) Institute of Flight Guidance

ASAS Thematic Network 2 nd Workshop 6-8 October 2003 – Malmö Session 1 – ATSA Application Track. MA-AFAS – Taxi Management and Alert Tests with DLR‘s Research Aircraft ATTAS. Bernhard Czerlitzki German Aerospace Center (DLR) Institute of Flight Guidance. Overview.

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Bernhard Czerlitzki German Aerospace Center (DLR) Institute of Flight Guidance

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  1. ASAS Thematic Network2nd Workshop 6-8 October 2003 – MalmöSession 1 – ATSA Application Track MA-AFAS – Taxi Management and Alert Testswith DLR‘s Research Aircraft ATTAS Bernhard Czerlitzki German Aerospace Center (DLR) Institute of Flight Guidance

  2. Overview • MA-AFAS Programme • Taxi Management Solutions • A-SMGCS Ground Infrastructure at DLR • Test Configuration with ATTAS • Taxi Management Trials • Results • Conclusions

  3. MA-AFAS Programme MA-AFAS “More Autonomous Aircraft in the Future ATM System” 20 European partners (led by BAE Systems) 28 M€ 3 year programme funded by the European Commission under Framework 5 Key Action 4 New Perspectives in Aeronautics Duration March 2000 – July 2003 Objective To transform European CNS/ATM research results into practical operational ATM procedures with the potential to radically improve the European ATM scenario in the near term

  4. Taxi Management Solutions • Increased Situation Awareness- Airport Map Display- Ground CDTI • Use of Digital Datalink instead of Voice- CPDLC for Ground Operations- Display of Taxi Route and Taxi Clearances • Use of Airport Map Databases according to ED-99 • Surveillance and Warning- Runway Alert- Runway Incursion

  5. Map Display • Featuring:- Runways & Taxiways- Parking Positions & Gates- Intersections & Stopbars- Buildings & Aprons- Traffic Objects- Own Aircraft symbol- Designators for Traffic & Airport Objects • Presentation:- Clear, Comprehensible- Three Display Modes- Several Display Ranges- Text line for CPDLC messages • Creation of airport maps via Map Creation Tool:- EGDM, LIRA, EDVE, EDDF

  6. Surveillance Functions • Advisory on- Runway Alert : When entering thearea in front of a Runway (= holding box) ==> two different warning messages according to clearance of runway- Runway Incursion : Ownship is situated on runway and another aircraft or ground vehicle enters the same runway => several warning levels and messages according to distance, speed and heading of traffic objects • Independent Operation :- No Ground Systems needed

  7. Ground CDTI • ADS-B and / or TIS-B • Situation Awareness only • Several manual and automatic decluttering options • Three different symbols for- aircraft with Heading Information- aircraft without heading information- ground vehicles • Aircraft with heading information are displayed with a label containing information about: ID, ground speed, altitude

  8. Display of Taxi Route • ATC composes Taxi Messagesby selecting airport segments (taxiways, etc.) on Taxi Tool screen • Taxi Messages :- Clearances- Taxi Route Instructions- Message is displayed textually- Taxi Route is calculated by analysing CPDLC message • Taxi Route :- Cleared and uncleared part- Display of stopbar in front of uncleared runway • Definition of set of taxi relatedCPDLC messages

  9. Simulation Ground Infrastructure at DLR

  10. ATTAS (VFW614) and Experimental Cockpit

  11. ATTAS Front Cockpit – Pilot‘s View

  12. Taxi Trials at Braunschweig Airport

  13. Communication Link

  14. Braunschweig Scenario TT-4: Tower Apron – C – D – RWY08 – B – F – DLR Apron

  15. Runway Alert, Runway Incursion

  16. Pilots comments- Easy use of the system- Implementation of a history function regarding CPDLC messages (pilot need for review of the sent/received messages)- Taxi map display needs to be reviewed (e.g.colors, map details)- Incoming messages on the MCDU/Nav Display; an audio indication would be advantageous • Operational procedures- Pilot in command was taxiing,- Co-pilot was observing the display and managing data link communication • Situation awareness benefits and pilot workload- not assessed (simple airport layout, good weather conditions during the taxi trials) • MA-AFAS Taxi Management - Results

  17. Achievements • Taxi Management- map display, own aircraft position and traffic information on the Nav Display- uplink of taxi routes- typical CPDLC messages during ground operations were sent and received- Runway alert, runway incursion • VDL-4 Datalink Applications- ADS-B- TIS-B- CPDLC • MA-AFAS Taxi Management - Conclusions

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