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Downloading the Better Data Available in the FMS for All Aircraft Appears to Be Lower EUROPEAN ORGANISATION FOR THE SAFETY OF AIR NAVIGATION EUROCONTROL EUROCONTROL EXPERIMENTAL CENTRE STUDY OF THE ACQUISITION OF DATA FROM AIRCRAFT OPERATORS TO AID TRAJECTORY PREDICTION CALCULATION EEC Note No. 18/98 EEC Task R23 EATCHIP Task ODP.ET5.ST03 Issued: September 1998 The information contained in this document is the property of the EUROCONTROL Agency and no part should be reproduced in any form without the Agency’s permission. The views expressed herein do not necessarily reflect the official views or policy of the Agency. REPORT DOCUMENTATION PAGE Reference: Security Classification: EEC Note No. 18/98 Unclassified Originator: Originator (Corporate Author) Name/Location: EEC - FDR EUROCONTROL Experimental Centre (Flight Data Research) B.P.15 F - 91222 Brétigny-sur-Orge CEDEX FRANCE Telephone : +33 (0)1 69 88 75 00 Sponsor: Sponsor (Contract Authority) Name/Location: EUROCONTROL Agency Directorate of EATCHIP Development Rue de la Fusée, 96 - Division DED2 (Peter Bailey) B -1130 BRUXELLES Telephone : +32 2 729 3339 TITLE: STUDY OF THE ACQUISITION OF DATA FROM AIRCRAFT OPERATORS TO AID TRAJECTORY PREDICTION CALCULATION Author Date Pages Figures Tables Appendix References G. Mykoniatis, P. Martin 9/98 xii+96 1+59 4+4 7 13 EATCHIP Task EEC Task No. Task No. Sponsor Period Specification R23 ODP-5-E3 1997 to 1998 ODP.ET5.ST03 Distribution Statement: (a) Controlled by: Head of FDR (b) Special Limitations: None (c) Copy to NTIS: YES / NO Descriptors (keywords): trajectory prediction - aircraft operators - airlines - flight plans - data link - take-off weight - route - flight plan data processing Abstract: Several aircraft operators were consulted to determine if they could supply flight data to ATS which would make a significant difference to the trajectories calculated by flight data processing systems, particularly in the initial climb phase. In parallel, simulations were carried out using a typical trajectory prediction simulator to assess the benefits which might be obtained from this data. The study then went on to investigate when and how this data could be supplied. This document has been collated by mechanical means. Should there be missing pages, please report to: EUROCONTROL Experimental Centre Publications Office B.P. 15 91222 - BRETIGNY-SUR-ORGE CEDEX France Table of Contents ACKNOWLEDGEMENTS..................................................................................................VIII EXECUTIVE SUMMARY .....................................................................................................IX 1. INTRODUCTION.......................................................................................................... 1 1.1 PURPOSE ................................................................................................................... 1 1.2 REPORT STRUCTURE.................................................................................................... 1 2. REFERENCES............................................................................................................. 3 3. DEFINITIONS AND ABBREVIATIONS ........................................................................ 4 4. FLIGHT PLAN DISTRIBUTION AND PROCESSING ................................................... 7 5. TRAJECTORY PREDICTION IN FDPS........................................................................ 9 5.1 INTRODUCTION ........................................................................................................... 9 5.2 DEFINITION OF TRAJECTORY PREDICTION................................................................... 9 5.3 PURPOSE OF TRAJECTORY PREDICTION IN FDPS ...................................................... 9 5.3.1 Airspace Volumes Crossed by the Flight ........................................................ 10 5.3.2 Medium Term Conflict Detection and Conflict Probing .................................... 10 5.3.3 Flight Plan Event Management....................................................................... 10 5.3.4 Information About the Flight’s Intentions......................................................... 11 5.4 CONCLUSION............................................................................................................ 11 6. SHORTCOMINGS IN CURRENTLY AVAILABLE DATA ........................................... 12 6.1 INTRODUCTION.................................................................................................... 12 6.2 DATA USED FOR TRAJECTORY PREDICTION....................................................... 12 6.2.1 Introduction.................................................................................................... 12 6.2.2 Flight plan route ............................................................................................. 13 6.2.3 Airspace description....................................................................................... 13 6.2.4 Aircraft characteristics.................................................................................... 13 6.2.5 Environmental Parameters............................................................................. 14 6.2.6 Operating Procedures .................................................................................... 15 6.3 SHORTCOMINGS IN DATA AVAILABLE FOR TRAJECTORY PREDICTION ................... 16 6.3.1 Introduction.................................................................................................... 16 6.3.2 Flight Plan Route............................................................................................ 16 6.3.3 Airspace Description ...................................................................................... 17 6.3.4 Aircraft Characteristics ................................................................................... 17 6.3.5 Environmental Parameters............................................................................. 21 6.3.6 Airline Operating Procedures.......................................................................... 22 6.3.7 Differences in trajectories obtained using data currently available and data potentially supplied by Aircraft Operators........................................................................ 23 6.3.8 Conclusion ..................................................................................................... 23 7. DATA AVAILABLE FROM AIRCRAFT OPERATORS ON GROUND......................... 25 7.1 INTRODUCTION ......................................................................................................... 25 7.2 TRAJECTORY PROVISION................................................................................... 26 7.2.1 Introduction.................................................................................................... 26 7.2.2 OFPL Preparation and Use ............................................................................ 26 7.2.3 OFPL Accuracy.............................................................................................. 27 7.3 AIRCRAFT CHARACTERISTICS...................................................................................... 28 v 7.3.1 Full Aircraft Type............................................................................................ 28 7.3.2 Engine Type and Characteristics.................................................................... 28 7.3.3 Take-Off Weight............................................................................................. 29 7.4 OPERATING PROCEDURES.......................................................................................... 30 7.5 CONCLUSION............................................................................................................ 31 8. DATA AVAILABLE FROM ON-BOARD AIRCRAFT .................................................. 32 8.1 INTRODUCTION ......................................................................................................... 32 8.2 TRAJECTORY............................................................................................................ 32 8.2.1 Introduction.................................................................................................... 32 8.2.2 Future Flight Management Computer Systems (FMCS) ................................. 32 8.2.3 FMS Trajectory Calculation Accuracy............................................................. 33 8.2.4 Conclusion ..................................................................................................... 34 8.3 AIRCRAFT CHARACTERISTICS...................................................................................... 34 8.4 OPERATING PROCEDURES.......................................................................................... 35 8.5 CONCLUSION............................................................................................................ 35 9. INFRASTRUCTURE CONSIDERATION .................................................................... 36 9.1 INTRODUCTION ......................................................................................................... 36 9.2 GROUND/GROUND COMMUNICATIONS NETWORKS .......................................................... 36 9.2.1 Introduction.................................................................................................... 36 9.2.2 AFTN ............................................................................................................. 36 9.2.3 SITA .............................................................................................................
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