In plane view (MIT)
An airplane’s digital flight-data recorder, or “black box,” holds massive
amounts of data, documenting the performance of engines, cockpit controls,
hydraulic equipment and GPS systems, typically at regular one-second intervals
throughout a flight. Inspectors use such data to reconstruct the final moments
of an accident, looking for telltale defects that may explain a crash.
More recently, analysts have probed black-box data in an effort to prevent
such accidents from ever occurring. Using software tools that can rapidly
search data, operators can flag problem areas and determine whether a plane
needs to be pulled off the line to be physically inspected, or if there are
problems with flight procedures.
Many airlines routinely run software programs to check a plane’s overall
health and performance after each flight. However, John Hansman, professor of
aeronautics and astronautics and engineering systems at MIT, says today’s
search methods are limited, with operators needing to identify ahead of time
which parameters to check. Hansman says this approach may cause analysts to
miss key information that would otherwise help airlines improve aircraft
safety and operations.
Now Hansman and his colleagues at MIT and in Spain have devised a detection
tool that spots flight glitches without knowing …
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