Summary: Often the most mundane-sounding mistakes can cause catastrophe, like the time a passenger seatbelt caught a knob on the floor of a helicopter. It crashed into the East River in New York and killed five people. Chihoon Shin has investigated this and many other helicopter crashes, thereby improving safety. He's now a finalist in this year's Service to America Medals program. Shin is an investigator with the National Transportation Safety Board, and he joined Federal Drive with Tom Temin for more information. Learn more about your ad choices. Visit megaphone.fm/adchoices
