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Aeromexico crash: Stronger planes can mean fewer fatalities

Passengers in plane crashes like the Aeromexico accident — in which no one died — have better chances of survival due to better aircraft construction and safety standards, experts say.

People are now less likely to be trapped by collapsed seats and floors, especially if the plane comes to rest more or less level and the accident occurs on flat ground and at lower speeds, as happened with Tuesday's crash in northern Mexico.

Survival rates are higher than ever in part because "airplanes are stronger than ever," said Adrian Young, an air-safety investigator from the Netherlands-based consultancy To70.

Other improvements in recent decades include wider use of...