A pilot and researcher knows that airplanes are full of sensors – and finds a way onboard computers can use the data to detect equipment failure and tell pilots what's a real emergency and what's not.
The inquiries can take months of painstaking work, but often yield important insights that improve flight safety for everyone long into the future.
Eight decades after missing aviator Amelia Earhart was declared dead, technologies still don't quite track every airplane all over the globe.
Airlines want to stretch their routes even longer with non-stop flights to almost anywhere in the world.
Pilots are carefully trained to handle any crisis – but what happens when they are no longer fit mid-flight?