Without Warning

They Survived the Water Landing But Nobody Showed Them What to Do

21:09

They all walked away from the crash. So why did only 17 of them make it back to shore? In 1952, Pan Am Flight 526A proved a plane could be landed on the open ocean and everyone could live — then something in the next few minutes killed 52 of them.

What happened in the water that afternoon stayed at the bottom of the ocean for 74 years… until someone finally went looking.