This system also includes an on - line information service through which airline companies can retrieve flight documentation including forecast charts of en - route significant weather and windtemperature data issued by the world area forecast centres at london and washington , weather forecasts for departure , destination and alternate aerodromes , as well as the latest meteorological information of weather radar and satellite images , aerodrome warnings , tropical cyclone information , etc . weather briefings are provided via telephone or video conferencing equipment to flight crew members on request 该系统也包括一在线资料服务，航空公司可透过此服务提取包括由伦敦及华盛顿世界航空区域预报中心发放的航路上重要天气及风温度资料的预报图、起飞、目的地及备降机场天气预报的飞行气象文件。此外，航空公司亦可提取最新的气象资料包括天气雷达图像、卫星云图、机场天气警报及热带气旋资料等。如有需要，航空预报员可以透过电话或视像会议系统向飞行人员作天气简报。
