美国波音公司建造的飞机都经过许多特别的安全测试才交给用户，传说会用飞机飞行速度的死鸡撞击挡风玻璃，以确保飞机在真正飞行时挡风玻璃不会被动鸟撞坏。 一客户买了一架飞机后自己也造了一鸡枪做相似测试， 结果那只鸡不但撞碎了挡风玻璃， 还穿过了驾驶座椅和驾驶室的后壁，这个客户十分震惊并将结果转告了波音公司。

波音公司认真审查了这一测试后提出一建议： "用一只解冻的鸡。"

I know that Rolls Royce with whom we’ve done some work to do with their jet engines and how they work. They do experiments where they use chickens which they fire into engines to test bird strike. And so, they do use sometimes frozen chickens because occasionally, if you get a bird that's been very, very cold and it suddenly gets sucked up into an engine then it’s a really good model of what will happen if an engine ingests a bird.