pdc pre-departure clearance 中文意思是什麼

pdc pre-departure clearance 解釋
起飛前放行許可
  • departure : n. 1. 起程，出發；（火車的）開行。2. 背離，違反 （from）；偏差。3. 【測】東西距離，橫距。4. 〈古語〉逝世。5. 【航海】航跡推算起點。
  • clearance : n 1 清除，掃除，除去；解除。2 【林業】終伐；（伐去樹木后的）林間空地。3 出[入]港證；放行證；出入...
  1. The civil aviation department ( cad ) today ( december 4 ) begins to implement a new data link service for delivery of pre - departure clearance ( pdc ) at the hong kong international airport ( hkia )

    民航處今日（十二月四日）開始在香港國際機場推出一項新的航空交通服務。新服務是利用數據鏈路傳送起飛前放行指示。
  2. So far, work has progressed in a satisfactory manner. trials have been conducted for automatic dependent surveillance ( ads ), controller - pilot data link communications ( cpdlc ), satellite communications ( satcom ), aeronautical telecommunication network ( atn ), digital - automatic terminal information services ( d - atis ) and digital - meteorological information for aircraft in flight ( d - volmet ), pre - departure clearance ( pdc ) delivery via data link, etc. encouraging results and favourable feedback from pilots and airlines have been received

    到目前為止，各項工作均進展順利。自動從屬監察系統、管制員和飛行員用數據鏈路作通訊的系統、衛星通訊、航空通訊網路、數據化自動航站情報服務及數據化遠航氣象情報服務、經數據鏈路發放起飛前放行指示等服務都已經過試行運作，效果令人鼓舞，備受飛行員和航空公司推許。
  3. The project will take 15 years and owing to the complexities involved, extensive studies and trials are being conducted before the new technologies are to be fully adopted. currently part of new services including digital - automatic terminal information service ( d - atis ), digital - meteorological information for aircraft in flight ( d - volmet ) and delivery of pre - departure clearance ( pdc ) over data links is provided at hkia to enhance the operational efficiency of both pilots and air traffic controllers

    有關計劃將需15年完成，由於系統復雜，民航處在全面採用新技術前會進行廣泛研究和測試。有關的研究和測試工作經已展開。目前，香港國際機場已推行部分嶄新服務，包括數據化自動航站情報服務、數據化遠航氣象情報服務和飛前放行指示數據鏈路服務，以提高飛行員和航空交通管制員的工作效率。
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