Publication: Magyar Közlöny
Issue: MK-2007-70 (Year: 2007, Number: 70)
Era: 2004-2010
Section: Melléklet a 2007. évi XLVI. törvényhez
Paragraph Index: 1091

b) SPECI for YUDO (Donlon/International)*: SPECI YUDO 151115Z 05025G37KT 3000 1200NE+TSRA BKN005CB 25/22 Q1008 TEMPO TL1200 0600 BECMG AT1200 8000 NSW NSC Meaning of both reports: Special report for Donlon/International* issued on the 15th of the month at 1115 UTC; surface wind direction 050 degrees; wind speed 25 knots gusting between 10 and 37 knots (minimum wind speed not to be included in SPECI) visibility 1 200 metres (along the runway(s) in the local special report); prevailing visibility 3 000 metres (in SPECI) with minimum visibility 1 200 metres to north east (directional variations to be included in SPECI only); thunderstorm with heavy rain; broken cumulonimbus cloud at 500 feet; air temperature 25 degrees Celsius; dew-point temperature 22 degrees Celsius; QNH 1 008 hectopascals; trend during next 2 hours, visibility (along the runway(s) in the local special report; prevailing visibility in SPECI) temporarily 600 metres from 1115 to 1200, becoming at 1200 UTC visibility (along the runway(s) in the local special report; prevailing visibility in SPECI) 8 kilometres, thunderstorm ceases and nil significant weather and nil significant cloud. * Fictitious location Note.— In this example, the non-SI alternative units “knot” and “foot” were used for wind speed and height of cloud base, respectively. However, in accordance with Annex 5, the corresponding primary units “kilometre per hour” and “metre” may be used instead. VOLCANIC ACTIVITY REPORT YUSB* 231500 MT TROJEEN* VOLCANO N5605 W12652 ERUPTED 231445 LARGE ASH CLOUD EXTENDING TO APPROX 30000 FEET MOVING SW Meaning: Volcanic activity report issued by Siby/Bistock meteorological station at 1500 UTC on the 23rd of the month. Mt. Trojeen volcano 56 degrees 5 minutes north 126 degrees 52 minutes west erupted at 1445 UTC on the 23rd; a large ash cloud was observed extending to approximately 30 000 feet and moving in a south-westerly direction. * Fictitious location 15/10/04 Corr. 2007/70/II. szám ANNEX 3 APP 4-1 25/11/04 APPENDIX 4. TECHNICAL SPECIFICATIONS RELATED TO AIRCRAFT OBSERVATIONS AND REPORTS (See Chapter 5 of this Annex.) 1. CONTENTS OF AIR-REPORTS 1.1 Routine air-reports by air-ground data link 1.1.1 When air-ground data link is used and automatic dependent surveillance (ADS) is being applied, the elements contained in routine air-reports shall be: Message type designator Aircraft identification Data block 1 Latitude Longitude Level Time Data block 2 Wind direction Wind speed Wind quality flag Temperature Turbulence (if available) Humidity (if available) Note.— When ADS is being applied, the requirements of routine air-reports may be met by the combination of the basic ADS data block (data block 1) and the meteorological information data block (data block 2), available from ADS reports. The ADS message format is specified in the PANS-ATM (Doc 4444), Part II, Section 14.4 and in Annex 10, Volume III, Part I — Digital Data Communication Systems. 1.1.2 When air-ground data link is used while ADS is not being applied, the elements contained in routine reports shall be in accordance with 1.3. Note.— When air-ground data link is used while ADS is not being applied, the requirements of routine air-reports may be met by the controller-pilot data link communication (CPDLC) application entitled “Position report”. The details of this data link application are specified in the Manual of Air Traffic Services Data Link Applications (Doc 9694) and in Annex 10, Volume III, Part I. 1.2 Special air-reports by air-ground data link When air-ground data link is used, the elements contained in special air-reports shall be: Message type designator Aircraft identification Data block 1 Latitude Longitude Level Time Data block 2 Wind direction Wind speed Wind quality flag Temperature Turbulence (if available) Humidity (if available) Data block 3 Condition prompting the issuance of a special air-report (one condition to be selected from the list presented in Table A4-3). Note 1.— The requirements of special air-reports may be met by the data link flight information service (D-FIS) application entitled “Special air-report service”. The details of this data link application are specified in Doc 9694. Note 2.— In the case of a special air-report of pre-eruption volcanic activity, volcanic eruption or volcanic ash cloud, additional requirements are indicated in 4.2. 1.3 Routine air-reports by voice communications When voice communications are used, the elements contained in routine air-reports shall be: Message type designator Section 1 (Position information) Aircraft identification Position or latitude and longitude Time Flight level or altitude Next position and time over Ensuing significant point Section 2 (Operational information) Estimated time of arrival Endurance 2007/70/II. szám Annex 3 — Meteorological Service for International Air Navigation Appendix 4 25/11/04 APP 4-2 Section 3 (Meteorological information) Air temperature Wind direction Wind speed Turbulence Aircraft icing Humidity (if available) 1.4 Special air-reports by voice communications When voice communications are used, the elements contained in special air-reports shall be: Message type designator Section 1 (Position information) Aircraft identification Position or latitude and longitude Time Flight level or altitude Section 3 (Meteorological information) Condition prompting the issuance of a special air-report, to be selected from the list presented in Table A4-3. Note 1.— Air-reports are considered routine by default. The message type designator for special air-reports is specified in the PANS-ATM (Doc 4444), Appendix 1. Note 2.— In the case of a special air-report of pre-eruption volcanic activity, volcanic eruption or volcanic ash cloud, additional requirements are indicated in 4.2. 2. CRITERIA FOR REPORTING 2.1 When air-ground data link is used, the wind direction, wind speed, wind quality flag, temperature, turbulence and humidity included in air-reports shall be reported in accordance with the following criteria. 2.2 Wind direction The wind direction shall be reported in terms of degrees true, rounded to the nearest whole degree. 2.3 Wind speed The wind speed shall be reported in kilometres per hour or knots, rounded to the nearest 2 km/h (1 knot). The units used shall be indicated. 2.4 Wind quality flag The wind quality flag shall be reported as 0 when the roll angle is less than 5 degrees and as 1 when the roll angle is 5 degrees or more. 2.5 Temperature The temperature shall be reported to the nearest tenth of a degree Celsius. 2.6 Turbulence The turbulence shall be observed in terms of the eddy dissipation rate (EDR). 2.6.1 Routine air-reports The turbulence shall be reported during the en-route phase of the flight and shall refer to the 15-minute period immediately preceding the observation. Both the average and peak value of turbulence, together with the time of occurrence of the peak value to the nearest minute, shall be observed. The average and peak values shall be reported in terms of a turbulence index comprising seven intensity levels of EDR as indicated in Table A4-1. The time of occurrence of the peak value shall be reported as indicated in Table A4-2. 2.6.2 Interpretation of the turbulence index Turbulence shall be considered:

Source: https://magyarkozlony.hu/hivatalos-lapok/4c6310a937d14bac566ee9c9d944896656c292dd/dokumentumok/5a6ac3c6db12e692ae41096677ad5f072d2cc9f3/letoltes