Machines are taking over many human tasks but what happens when something goes wrong? Would humans still have the skills to react and prevent a tragedy?
Investigations into the tragic accident which left four people dead at an amusement park could lead to changes in the safety regulations.
The movie Sully, out today, tells the story of Captain Chesley "Sully" Sullenberger who landed an Airbus A320-214 in New York's Hudson River. To accident experts, this was no crash landing.
More tasks are being given over to automation, from autopilots in transport to medical diagnosis. But humans are a poor backup for automation, especially when the automation goes wrong.
Air accident investigations are meticulous, thorough, and are the reason air travel is as safe as it is.
It's a year since the tragic death of two Australian jockeys and the sport has claimed two more lives since then. So what is being done to imprve safety in horse racing?