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User Consultation Workshop on Meteorological Service for Low-Level Flights

This workshop focuses on the meteorological service for low-level flights, discussing the background, users and providers, regional provisions, and necessary changes for harmonization. The workshop aims to improve the quality and availability of MET services for low-level flights.

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User Consultation Workshop on Meteorological Service for Low-Level Flights

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  1. User Consultation Workshop on Meteorological Service for Low-Level Flights Schönhagen Airport, Berlin, 23-24 March 2010 Greg Brock, ICAO EUR/NAT Office Regional Officer ANS Implementation (MET)

  2. Contents • Background • Who are the users of LLF forecasts? • Who are the MET providers of LLF forecasts? • PT/LLF • 2009 regional survey • 2010 workshop • Global and regional provisions • Annex 3 • AIRMET • GAMET • SWL • EUR Air Navigation Plan • Next steps MET service for LLF

  3. Contents • Background • Who are the users of LLF forecasts? • Who are the MET providers of LLF forecasts? • PT/LLF • 2009 regional survey • 2010 workshop • Global and regional provisions • Annex 3 • AIRMET • GAMET • SWL • EUR Air Navigation Plan • Next steps MET service for LLF

  4. Background • How did the discussion on a need for the harmonization of MET products and services for low-level flights come about? • Meteorology Group (METG) • Annual meeting (September) • EUR States of accreditation and international organizations (IATA, IFALPA, WMO, ECTRL) • Reports directly to the PIRG – the European Air Navigation Planning Group (EANPG) • METG/18 (2008) • Provision of MET services for low-level flights in the EUR Region not harmonized • Variety of forms and content • Growing demand • Project Team on the regional harmonization of MET services for Low-Level Flights (PT/LLF) MET service for LLF

  5. Who are the MET users? • According to ICAO Annex 6 (Operation of Aircraft) Part II (International General Aviation – Aeroplanes), a General Aviation operation is defined as: • “An aircraft operation other than a commercial air transport operation or an aerial work operation” • So, the GA community encompasses: • Gliders and powered parachutes through to large-non-scheduled cargo flights. For example: • Rotorcraft • Piston and jet engine fixed-wing aircraft • Gliders • ‘Lighter-than-air’ craft • Private and commercial MET service for LLF

  6. Have GA user needs changed? • The single most common class of GA aircraft is: • Fixed-wind light aircraft • But.... • Main area of growth in recent decades has been lighter and more affordable aircraft, such as: • Microlights • Small helicopters • Plus... • Advanced avionics, including GPS navigation and onboard weather radar MET service for LLF

  7. Who are the MET providers • Forecasts of en-route conditions for low-level flights are prepared locally or regionally by meteorological offices = + MET service for LLF

  8. Contents • Background • Who are the users of LLF forecasts? • Who are the MET providers of LLF forecasts? • PT/LLF • 2009 regional survey • 2010 workshop • Global and regional provisions • Annex 3 • AIRMET • GAMET • SWL • EUR Air Navigation Plan • Next steps MET service for LLF

  9. PT/LLF • Composition: • Austria, Finland, Germany, Latvia, Poland, Serbia, Slovenia (Rapporteur) and IFALPA • Terms of reference: • Assists METG in developing proposals for amendment to the EUR Air Navigation Plan (EUR ANP) related to meteorological services for low-level flights • Amendments to EUR ANP necessary to: • ensure the harmonized implementation of the relevant Annex 3 Standards and Recommended Practices (SARPs); and • enhance the services for low-level flights throughout the EUR Region MET service for LLF

  10. 2009 regional survey • MET perspective: • Status of MET information provided for low-level flights • 34 replies, including: • 90% issue area forecasts for LLF; • 60% issue AIRMET; • 75% issue bespoke (non-ICAO standard) LLF forecasts • USER perspective: • Preferences on the type of MET information for low-level flights • 22 replies, including: • 80% preference for graphical LLF forecasts • 50% preference for state of the sea and SST info • >90% would like to use standardized LLF forecasts MET service for LLF

  11. 2010 user consultation workshop • Engaging the MET and LLF user communities • What are the user requirements for LLF forecasts, now and in the future? • Content and format? • Parameters and thresholds? • Validity periods and update cycle? • Criteria for amendment? • Availability? • Can MET service providers meet these present and future user requirements? • How do we harmonize MET service for LLF? • Common best practices, guidelines, etc? • What changes are necessary to the EUR ANP? MET service for LLF

  12. Contents • Background • Who are the users of LLF forecasts? • Who are the MET providers of LLF forecasts? • PT/LLF • 2009 regional survey • 2010 workshop • Global and regional provisions • Annex 3 • AIRMET • GAMET • SWL • EUR Air Navigation Plan • Next steps MET service for LLF

  13. Global and regional provisions • ICAO Annex 3 – Meteorological Service for International Air Navigation • ICAO Doc 8896 – Manual of Aeronautical MET Practice • ICAO Doc 7754 – EUR Air Navigation Plan • Volume I – Basic ANP • Volume II – Facilities and Services Implementation Document (FASID) • ICAO Doc 7030 – Regional Supplementary Procedures MET service for LLF

  14. Forecasts of en-route conditions [Annex 3] • All forecasts of en-route conditions are provided within the framework of the WAFS • By the two World Area Forecast Centres (WAFC London and WAFC Washington) • EXCEPT: • Forecasts of en-route conditions for low-level flights which are prepared locally or regionally • By meteorological offices MET service for LLF

  15. Definitions – Annex 3 [Annex 3] • Area forecasts for low-level flights • When the density of traffic operating below flight level 100 (or up to flight level 150 in mountainous areas, or higher, where necessary) warrants the routine issue and dissemination of area forecasts for such operations, the frequency of issue, the form and the fixed time or period of validity of those forecasts and the criteria for amendments thereto shall be determined by the meteorological authority in consultation with the users. MET service for LLF

  16. AIRMET information [Annex 3] • Shall be issued by a meteorological watch office in accordance with regional air navigation agreement, taking into account the density of air traffic operating below FL100 • Abbreviated plain language message • Concise description of occurrence and/or expected occurrence of specified en-route weather phenomenon, which have not been included in Section I of the area forecast for low-level flights • Period of validity not more than 4 hours. MET service for LLF

  17. Area forecasts [Annex 3] • When the density of traffic operating below FL100 warrants the issuance of AIRMET information, area forecasts for such operations shall be prepared in a format agreed upon between the meteorological authorities concerned • Abbreviated plain language  GAMET area forecast • Chart form  wind/temperature and low-level significant weather forecast (SWL) charts MET service for LLF

  18. Area forecasts for low-level flights [Annex 3] • Ground to FL100 (or ≥ FL150 in mountainous areas) • En-route weather phenomena hazardous to low-level flights • When prepared in support of the issuance of AIRMET, area forecasts are: • Issued every 6 hours • Valid for 6 hours • Transmitted to meteorological offices concerned not later than one hour prior to the beginning of their validity period MET service for LLF

  19. GAMET • Section I • information on en-route weather phenomena hazardous to low-level flights, prepared in support of the issuance of AIRMET information • Section II • additional information required by low-level flights • included in accordance with regional air navigation agreement YUCC GAMET VALID 220600/221200 YUDO YUCC AMSWELL FIR/2 BLW FL100 SECN I SFC WSPD: 10/12 65 KMH SFC VIS: 06/08 3000 M BR N OF N51 SIGWX: 11/12 ISOL TS SIG CLD: 06/09 OVC 800/1100 FT AGL N OF N51 10/12 ISOL TCU 1200/8000 FT AGL ICE: MOD FL050/080 TURB: MOD ABV FL090 SIGMETS APPLICABLE: 3, 5 SECN II PSYS: 06 L 1004 HPA N5130 E01000 MOV NE 25 KT WKN WIND/T: 2000 FT 270/70 KMH PS03 5000 FT 250/80 KMH MS02 10000 FT 240/85 KMH MS11 CLD: BKN SC 2500/8000 FT AGL FZLVL: 3000 FT AGL MNM QNH: 1004 HPA SEA: T15 HGT 5M VA: NIL MET service for LLF

  20. “Regional Air Navigation Agreement” • Basic ANP and FASID, Part VI (MET) • Basic ANP supplements the GAMET provisions in Annex 3, to the extent that: • When area forecasts for LLF are issued as GAMET, Section II should include: • Short description of general weather situation; • Mean surface winds also for values ≤ 30KT; • Upper wind/temp in mountainous areas for altitudes ≥FL150; • Information about widespread surface visibility < 5000 m; • State of the sea and sea surface temperature (if applicable); • Outlook concerning expected hazardous weather phenomenon during the following validity period. MET service for LLF

  21. Low-level SIGWX forecast (SWL) • Include: • Surface winds; • Surface visibility; • Significant weather; • Mountain obscuration; • Cloud type/amount; • Icing; • Turbulence; • Mountain wave; • Pressure centres and fronts; • Freezing level; • Sea surface temperature and state of sea; • Volcanic eruptions MET service for LLF

  22. Contents • Background • Who are the users of LLF forecasts? • Who are the MET providers of LLF forecasts? • PT/LLF • 2009 regional survey • 2010 workshop • Global and regional provisions • Annex 3 • AIRMET • GAMET • SWL • EUR Air Navigation Plan • Next steps MET service for LLF

  23. Next steps... • Which types of forecast work best in which situations? • Graphical versus textual? • Strengths and weaknesses of each? • Are all MET parameters catered for? • Thresholds for inclusion/exclusion? • Abbreviations and/or symbols? • Amendment criteria? • Which height indications are preferential? • Flight levels? • Pressure levels? • Heights AGL? • Fixed time validity versus period of validity? • Lead time of issuance? MET service for LLF

  24. Next steps... • Can we identify common user requirements? • Can we identify current MET best practices? • Can we consolidate these into harmonized regional provisions within the EUR Air Navigation Plan? • Notably Basic ANP Part VI (MET) • Timescale? • PT/LLF Workshop – March 2010 • METG/20 – September 2010 • EANPG/52 – November 2010 • Proposal for amendment to EUR Air Navigation Plan Volume I (Basic ANP) Part VI (MET) – Early 2011?? MET service for LLF

  25. - END - Thank you

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