随着世界各国军备竞赛日趋激烈,各种新式武器不断出现,直升机也不例外。一九八三年只有四种军用直升机试飞和批生产、即西科斯基公司的MH-53E和 A129,贝尔公司的OH-58D以及AH-1T等。而一九八四年就有十几种直升机试飞和批生产、休斯公司的AH-64A量产1号机试飞,西科斯基公司的HH-60D试飞,法国航宇工业公司的SA365M试飞,休斯公司 As the arms race in various countries in the world becomes increasingly fierce, new kinds of new weapons are constantly appearing and helicopters are no exception. In 1983, only four military helicopters were used for flight test and batch production, namely Sikorsky’s MH-53E and A129, Bell’s OH-58D and AH-1T. In 1984, there were more than a dozen helicopter flight tests and batches, Hughes AH-64A production test flight No. 1, Sikorsky HH-60D test flight, Aerospace Industries SA365M test flight, Hughes company