In the early days of jet engines, the 1950s, crashes—and fatalities—were worryingly common. By the early 2010s they were at just one death per 7.4 million passenger boardings. Years now go by with no fatal accidents whatsoever involving American commercial aircraft. Flying is just about the safest mode of transport there is: sitting thirty-five thousand feet in the sky is safer than sitting at home on your couch. Airlines’ impressive safety record comes down to numerous incremental technical and operational improvements over the years. But behind them is something just as important: culture.
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