Publication: Magyar Közlöny
Issue: MK-2009-104 (Year: 2009, Number: 104)
Era: 2004-2010
Section: 
Paragraph Index: 519

4. SPECIFIC PROVISIONS RELATED TO REPORTING WIND SHEAR AND VOLCANIC ASH 4.1 Reporting of wind shear 4.1.1 Recommendation.— When reporting aircraft observations of wind shear encountered during the climb-out and approach phases of flight, the aircraft type should be included. Annex 3 — Meteorological Service for International Air Navigation Appendix 4 7/11/07 APP 4-6 4.1.2 Recommendation.— Where wind shear conditions in the climb-out or approach phases of flight were reported or forecast but not encountered, the pilot-in-command should advise the appropriate air traffic services unit as soon as practicable unless the pilot-in-command is aware that the appropriate air traffic services unit has already been so advised by a preceding aircraft. 4.2 Post-flight reporting of volcanic activity Note.— The detailed instructions for recording and reporting volcanic activity observations are given in the PANS-ATM (Doc 4444), Appendix 1. 4.2.1 On arrival of a flight at an aerodrome, the completed report of volcanic activity shall be delivered by the operator or a flight crew member, without delay, to the aerodrome meteorological office, or if such office is not easily accessible to arriving flight crew members, the completed form shall be dealt with in accordance with local arrangements made by the meteorological authority and the operator. 4.2.2 The completed report of volcanic activity received by a meteorological office shall be transmitted without delay to the meteorological watch office responsible for the provision of meteorological watch for the flight information region in which the volcanic activity was observed. Table A4-1. Time of occurrence of the peak value to be reported Peak value of turbulence occurring during the one-minute period Value to be reported 0 – 1 1 – 2 2 – 3 13 – 14 14 – 15 No timing information available Appendix 4 Annex 3 — Meteorological Service for International Air Navigation APP 4-7 7/11/07 Table A4-2. Template for the special air-report (downlink) Key: M = inclusion mandatory, part of every message; C = inclusion conditional; included whenever available. Note.— Message to be prompted by the pilot-in-command. Currently only the condition “SEV TURB” can be automated (see 2.6.3). Element as specified in Chapter 5 Detailed content Template(s) Examples Message type designator (M) Type of the air-report (M) ARS ARS Aircraft identification (M) Aircraft radiotelephony call sign (M) nnnnnn VA812 DATA BLOCK 1 Latitude (M) Latitude in degrees and minutes (M) Nnnnn or Snnnn S4506 Longitude (M) Longitude in degrees and minutes (M) Wnnnnn or Ennnnn E01056 Level (M) Flight level (M) FLnnn FL330 Time (M) Time of occurrence in hours and minutes (M) OBS AT nnnnZ OBS AT 1216Z DATA BLOCK 2 Wind direction (M) Wind direction in degrees true (M) nnn/ 262/ Wind speed (M) Wind speed in kilometres per hour (or knots) (M) nnnKMH (or nnnKT) 158KMH (079KT) Wind quality flag (M) Wind quality flag (M) n Temperature (M) Air temperature in tenths of degrees C (M) T[M]nnn T127 TM455 Turbulence (C) Turbulence in hundredths of m2/3s-1 and the time of occurrence of the peak value (C)1 EDRnnn/nn EDR064/08 Humidity (C) Relative humidity in per cent (C) RHnnn RH054 DATA BLOCK 3 Condition prompting the issuance of a special air-report (M) SEV TURB [EDRnnn]2 or SEV ICE or SEV MTW or TS GR3 or TS3 or HVY SS4 or VA CLD [FL nnn/nnn] or VA5 [MT nnnnnnnnnnnnnnnnnnnn] SEV TURB EDR076 VA CLD FL050/100 Notes.—

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