Do they pump oxygen into planes?

Answer: No. The cabin is pressurized between 6,000 and 8,000 feet on long flights. Adding supplemental oxygen is not necessary, because the percentage of oxygen is the same as being on the ground at those altitudes. Question: Why can't airplane vents go into recirculation mode like an automobile?



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If oxygen deficiency continues over a long enough period of time, it can cause unconsciousness, permanent brain damage or even death. So, in order to keep everyone maintained with enough oxygen, the masks fall down and provide a personal flow.

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Airlines “pressurize” the air in the cabin, but not to sea-level pressures, so there's still less oxygen getting to your body when you fly, which can make you feel drained or even short of breath. The potential dehydration factor and sitting for long periods of time doesn't help.

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The air in the cabin isn't sealed in. Fresh air is continuously introduced during the flight. A plane's jets are already sucking in and compressing huge volumes of air to burn with the aviation fuel. Some of this is diverted for the passengers to breathe.

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Pilots will almost always either fly around the thunderstorm or take a different route that avoids it entirely, if possible. Pilots use weather radar and weather reports to help them stay clear of thunderstorms. Weather radar gives pilots a visual image of the weather around an aircraft.

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Anyone travelling in an aircraft will have a drop in the amount of oxygen getting into their blood, although they are unlikely to feel any different. When you have a chronic lung condition this can make your chest symptoms worse. You may feel more breathless, your chest may feel tight.

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The inner pane basically safeguards the load from the passengers during flight. When both the outer and middle panes break, then all the pressurization in the airplane would escape leading to decompression in the passenger cabin. A plane is pressurized for passengers' comfort as it climbs to a higher altitude.

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— One of the most well-known crashes involving hypoxia was the 1999 crash of a Learjet that lost cabin pressure and flew halfway across the country on autopilot before running out of gas and crashing in a South Dakota pasture, killing professional golfer Payne Stewart and five others.

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When you fly on an airplane, the flight attendant instructs you to “put your oxygen mask on first,” before helping others. Why is this an important rule for ensuring survival? Because if you run out of oxygen yourself, you can't help anyone else with their oxygen mask.

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Even at 3,000 feet, there is a 10% drop in barometric pressure, and therefore a 10% drop in the number of oxygen molecules for each breath you take.

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Lower oxygen levels contribute to the fatigue you're feeling. Because plane cabins are pressurized to simulate a 6,000-8,000 feet elevation, your blood absorbs less oxygen at those altitudes. This can cause dizziness, sleepiness, and a lack of mental sharpness.

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Flying in an airplane or traveling to areas where the elevation is higher than 8000ft are dangerous. The pressure change can cause your lung to re-collapse if it is not yet healed.

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Choose a seat in the middle of the plane. As the air circulates across the rows and not up and down the plane, some experts believe the worst air is in the front or the back of the plane. Stay well hydrated by drinking lots of fluids (water or fruit juice) and avoiding caffeine and alcohol, which will dehydrate you.

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Aircraft cabins are pressurised to 75% of normal atmospheric pressure (the same altitude as Mexico city). Lower oxygen in your blood can cause Hypoxia; a condition leaving you feeling dizzy, fatigued and headachy. Catching a cold is over 100 times higher when you are flying.

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With this in mind, horizontal winds (also known as “crosswinds”) in excess of 30-35 kts (about 34-40 mph) are generally prohibitive of take-off and landing.

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Nothing SHOULD happen, and it happens occasionally but usually with no damage. When lightning strikes an airplane, the current flows through the conductive exterior of the aircraft and exits through another conductive point, such as the tail or wingtip.

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