十大神秘人物第五位——D·B·庫帕

D·B·庫帕（又叫做“丹·庫帕”）是給一個臭名昭著的劫機犯的名號。此人于1971年11月24日，攜帶著20萬美元的勒索金，從一架當(dāng)時正好飛行在美國西北太平洋地區(qū)南卡斯卡底某地上空的波音727飛機后面，一躍而出。

庫帕從那時開始就從沒被見過，當(dāng)然也不知道他跳機時是否還生還。1980年，一個八歲大的男孩在哥倫比亞河邊發(fā)現(xiàn)了總數(shù)為5800美元的面值20美元的鈔票，這些濕透的鈔票是被河水沖刷來到了岸上。鈔票的序列號剛好與庫帕劫機的勒索金一致，這就使得后來追蹤庫帕變得更容易了。

庫帕是背著一個降落傘從登機梯后面跳機逃跑。后來航空主管部門對飛機的設(shè)計加強了改進措施，防止此類事件再度發(fā)生。此外，這個事件促使機場首次安裝了金屬探測儀。

5 D. B. Cooper

D. B. Cooper (aka “Dan Cooper”) is a pseudonym given to a notorious aircraft hijacker who, on November 24, 1971, after receiving a ransom payout of $200,000, leapt from the back of a Boeing 727 as it was flying over the Pacific Northwest somewhere over the southern Cascades.

Cooper has not been seen since and it is not known whether he survived the jump. In 1980, an eight year old boy found $5,800 of soggy $20 bills washed up on the banks of the Columbia river. The serial numbers matched those of the ransom money which had been noted to make it easier to track Cooper later.

Cooper escaped from the plane by jumping off the rear airstair with a parachute leading aviation authorities to add stricter measures about the design of planes to prevent it from happening again. In addition, this event caused airports to install metal detectors for the first time.