Could Smartphone Sensors Help With Accident Analysis?
Accelerometers, GPS receivers, gyroscopes, and other sensors found in many smartphones could offer valuable clues to digital forensics investigators looking into the causes of plane crashes and other disasters.
Kecia Lynn has worked as a technical writer, editor, software developer, arts administrator, summer camp director, and television host. A graduate of Case Western Reserve University and the Iowa Writers' Workshop, she is currently living in Iowa City and working on her first novel.
What's the Latest Development?
The recent recovery of a video file from a smartphone that belonged to one of the victims of a ferry sinking off the coast of South Korea could represent a new method of investigation into an accident's causes and circumstances. While such files could offer literal eyewitness accounts, digital forensics experts are even more interested in the data provided by an ever-growing number of sophisticated built-in sensors, including accelerometers, GPS position receivers, and even air pressure and temperature detectors.
What's the Big Idea?
In the case of air disasters, for example, investigators could retrieve information about the plane's speed, position, altitude, cabin pressure, and other crucial data from those passenger and crew smartphones that survived the accident. If a plane's black boxes are destroyed or missing, this information would help fill in the gaps. However, UK-based aeronautics expert Matthew Greaves suspects that these sensors might not have the necessary accuracy. That said, he notes that a scant amount of data sent by the still-missing Malaysia Airlines flight MH370 to a satellite allowed investigators to track its route, proving that "when the need is there, investigators can make a great deal of very little."
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