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Doc 9377-AN/915 Corrigendum English only 3 24/10/08 MANUAL ON COORDINATION BETWEEN AIR TRAFFIC SERVICES, AERONAUTICAL INFORMATION SERVICES AND AERONAUTICAL METEOROLOGICAL SERVICES FOURTH EDITION 2008 CORRIGENDUM 1. Replace existing page A1-1 with the attached new page dated 24/10/08. 2. Record the entry of this Corrigendum on page ii.
A1-1 Appendix 1 STANDARD RADIOTELEPHONY PHRASEOLOGIES TO BE USED IN VOLMET BROADCASTS 1. INTRODUCTION 1.1 VHF and/or HF VOLMET broadcasts, established by regional air navigation agreement, are widely used in various regions to provide, in an efficient manner, meteorological advice of concern to aircraft en route. 1.2 As determined by relevant regional air navigation agreement, VHF and HF VOLMET broadcasts may contain current aerodrome meteorological reports, i.e. METAR, SPECI and trend forecasts, where available. Furthermore, if determined by regional air navigation agreement, HF VOLMET broadcasts may also contain TAF. In addition to this, subject to regional air navigation agreement, SIGMET information may also be included in VHF and HF VOLMET broadcasts. Note 1. Only one TAF can be valid at an aerodrome at any given time. In most ICAO regions all TAF issued have a validity period of 24 or 30 hours. The inclusion of such TAF in the scheduled HF VOLMET broadcasts may not be practicable in view of their length. In order to address this issue the meteorological office concerned may issue an aerodrome forecast for VOLMET with a shorter period of validity by extracting the information pertaining to the first 9 to 12 hours from the 24- or 30-hour TAF. The following principles should be applied to the aerodrome forecast extracted from the 24- or 30-hour TAF a its period of validity is to be determined by local agreement with the operators concerned b it must not be exchanged/disseminated internationally, nor should it be distributed through SADIS or ISCS broadcasts/FTP services c it will be issued simultaneously with the TAF that it is extracted from and d TEMPO groups included in the original 24- or 30-hour TAF are to be truncated at the end of the validity period while BECMG groups crossing the end of the validity period are to be included in full. The inclusion of the BECMG group in full may extend, on some occasions, the period of validity of the extracted aerodrome forecast by 3 hours. Note 2. Where D-VOLMET is used, the inclusion of 24- or 30-hour TAF therein will not pose any problems. 1.3 The aerodromes for which METAR, SPECI and trend forecasts as well as TAF and SIGMET are to be broadcast are also subject to relevant regional air navigation agreements. The same applies to the sequence in which individual messages should be broadcast. 24/10/08 Corr.
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Doc 9377. Manual on Coordination between Air Traffic Services, Aeronautical Information Services and Aeronautical Meteorological ServicesDoc 9377. Издание 6. Manual on Coordination between Air Traffic Services, Aeronautical Information Services and Aeronautical Meteorological ServicesВСЕ ДОКУМЕНТЫALL DOCUMENTSAIR TRAFFIC MANAGEMENTОРГАНИЗАЦИЯ ВОЗДУШНОГО ДВИЖЕНИЯAIR TRAFFIC MANAGEMENT AND ANNEXESОРГАНИЗАЦИЯ ВОЗДУШНОГО ДВИЖЕНИЯ И ПРИЛОЖЕНИЯDoc 9377
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