Small Mistakes

S1 E3: It takes over a hundred people to keep one modern airliner flying, and almost everyone involved, from manufacturers to ground control to maintenance engineers to air traffic controllers, perform safety-critical roles. That's a lot of people under a lot of pressure in an industry where one tiny oversight can prove catastrophic. See how a loose bolt, a tripped circuit breaker, a fatigue crack and other small issues have led to big problems for pilots and their passengers, with cockpit recordings and footage captured on passengers' cell phones.