A new guidance system in the works could help transoceanic flights avoid dangerous thunderstorms, such as the ones thought to have played a part in the recent fatal crashes of two jetliners.

• 正研发的一项新型导航系统可能会协助跨洋航班避开危险的暴风雨，有认为类似的暴风雨部分导致了最近两起严重的坠机事件。