All atc systems continue to function properly with equipment availability well exceeding our performance pledge of 99 . 9 per cent . with further experience gained in operating the systems , orders for the enhancement of six critical systems have been placed 民航处所有的航空交通管制系统均一直运作妥善，仪器系统提供服务的比率更高出服务承诺所订的99 . 9 % 。
One of the reasons is to allocate additional provision for procuring specialised stores and spare parts for the maintenance of the air traffic control system and the acquisition of aeronautical communication services for enhancement of flight safety 1 % ) 。原因之一是需要额外拨款以采购保养航空交通管制系统的特别用途物料和零件，以及增添航空通讯服务以加强飞行安全。
The airport authority will keep under regular review the need for additional facilities and the civil aviation department will begin work on converting our ground - based air traffic control systems to next - generation satellite systems . this will ensure that hong kong s civil aviation sector maintains the high standards expected of a major international aviation centre 机场管理局会定期检讨是否有需要增加设施，民航处亦会手更新新机场现有的地面航空交通管制系统，引入新一代的星系统，以确保本港民航业的运作能够保持国际航空中心应有的高水准。
The airport authority will keep under regular review the need for additional facilities and the civil aviation department will begin work on converting our ground - based air traffic control systems to next - generation satellite systems . this will ensure that hong kong s civil aviation sector maintains the high standards expected of a major international aviation centre 机场管理局会定期检讨是否有需要增加设施，民航处亦会手更新新机场现有的地面航空交通管制系统，引入新一代的?星系统，以确保本港民航业的运作能够保持国际航空中心应有的高水准。
