Airplane's black boxes are deliberately designed to survive worst-case scenarios. How do they do this? We look at their design, materials, and testing.

A preliminary report into the Air India disaster has been released based on the data recovered from the plane’s black boxes

A Golden Chassis is a specialised tool used to recover data from damaged flight recorders. It consists of an identical, undamaged unit of the same model as the affected recorder and is used to interfa