The temperature overboard drops to -50 degrees, and the air is too thin to breathe. ITinfo Without special equipment, a person will lose consciousness in a couple of seconds, reports Habr. With a parachute, it is safe to land from altitudes no more than 4-5 km, and even then in warm clothing and with oxygen. If we consider that a Boeing 737 carries about 180 passengers and each requires a parachute, a fastening system, and a device with oxygen, with a total weight of 15 kg, this amounts to almost 3 tons of additional cargo in the liner.
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