Topics discussed included the progress in windshear alerting service , amendment 72 to icao annex 3 , re - organization of airspace in the south china sea , the annual survey on services provided by the hong kong observatory , world area forecast system wafs transition matters , the launch of broadband amids and the progress on automatic dependent surveillance controller pilot data link communication ads cpdlc and aircraft meteorological data relay amdar . fig . 15 meeting on aviation weather services with air traffic management bureau , civil aviation administration of china , 12 november 2001 , beijing 會上討論多項議題,包括風切變警告服務的最新進展國際民用航空組織icao附件3須作出的第72號修訂中國南海空域的重組天文臺的周年服務意見調查世界航空區域預報系統wafs過渡事宜推出寬頻航空氣象資料發送系統amids ,以及自動從屬監視系統飛行員管制員數據鏈通訊ads cpdlc和飛機氣象數據下傳amdar計劃的最新進展。