10:00  Welcome address and introduction (ICAO)
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10:00 Welcome address and introduction (ICAO) 10:15 Presentation of the workshop and its objectives (AWOG chair) 10:30 Objectives of the study conducted by several ANSP (DFS) 10:45 A380 Presentation (AIRBUS) 11:00 Coffee break

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10:00 Welcome address and introduction (ICAO)

10:15 Presentation of the workshop and its objectives (AWOG chair)

10:30 Objectives of the study conducted by several ANSP (DFS)

10:45 A380 Presentation (AIRBUS)

11:00 Coffee break

11:15 Statement of the issue (ILS sensitive and critical areas definition and current practices) (LVNL)

11:30 Methodology used and typical test case description (normal and worst case) (ENAC)

12:00 Lunch break


13:30 Test results at Frankfurt (DFS)

14:00 Test results at Toulouse (DSNA)

14:30 Test results at London (NATS)

15:00 Conclusions and recommendations

15:15 Coffee Break

15:30 Open Debate

16:30 Preliminary workshop conclusions (AWOG Chair)

17:00 Closing of the workshop


Workshop background 1 3
Workshop background (1/3)

  • The future operations of new large aircraft (e.g. A380) in Low Visibility Conditions have raised some concerns in past five years

    • Are the current practices based upon the vacation of ILS sensitive area before a landing still valid with these new aircraft?

    • Are wider sensitive areas necessary?

    • Are existing propagation signal model appropriate?


Workshop background 2 3
Workshop background (2/3)

  • Several studies have been conducted to assess the effect of such new large aircraft on the ILS signal performances

  • They were based upon various simulation models and the results were not necessarily coherent

  • There is a general agreement on the fact that a sophisticated simulation model should provide results closer to the reality

  • This situation has generated a lot of debate regarding the validity of simple simulation model to really assess those impact and the fact that such validity could be scenario dependant


Workshop background 3 3
Workshop background (3/3)

  • As a result of the concerns expressed before, a common project has been launched by the several aviationstakeholders to address this issue by conducting several measurement campaigns with an A380

  • The partners are: ANSPs (DFS, DSNA, LVNL and NATS), Airport operators (Fraport, BAA), Airbus and several experts in simulation tools and methods

  • The results of this project are presented in this workshop


Workshop objectives
Workshop objectives

  • To provide a first assesment of the impact of new large aircraft on ILS sensitive areas based upon field measurements

  • To provide results of correlation between field measurements and simulations results to validate propagation and A380 models


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