伦敦城市警察局是欧洲历史上存在时间最长,而且最有经验的警察队伍之一。在近十多年的时间里,他们已经拥有三架双发的AS355N松鼠直升机,用它们来执行空中监视任务。这三架飞机中的第一架是1993年交付使用的,第二架和第三架分别是在1994年和1996年投入工作的。在 The London Metropolitan Police is one of the longest and most experienced police forces in European history. For almost a decade, they have three twin AS355N Squirrel helicopters that they use to perform air surveillance missions. The first of the three aircraft was delivered in 1993 and the second and third were put into operation in 1994 and 1996 respectively. in