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What is the lowest flight level?

What is the lowest flight level? Instead, the lowest usable « ‘flight level' » is the transition level plus 500 ft. However, in some countries, such as Norway for example, the transition level is determined by adding a buffer of minimum 1,000 ft (300 m) (depending on QNH) to the transition altitude.

What is the highest flight level?

Answer: The highest commercial airliner altitude was 60,000 feet by Concorde. The highest military air-breathing engine airplane was the SR-71 — about 90,000 feet. The highest airliner flying today reaches 45,000 feet. The highest business jet flying today reaches 51,000 feet.

Can you breathe at 35000 feet?

Whether you are flying aboard a small Cessna or a jumbo-sized Airbus A380, you can breathe freely inside the cabin without wearing a mask or respirator. Even at a cruising altitude of 35,000 feet, you shouldn’t have trouble breathing.

How high do planes fly in KM?

Aircraft systems include fixed-winged airplanes and helicopters. With these systems, the flight altitude is determined on a project-by-project basis. Depending on the required spatial resolution and accuracy, aircraft can be commissioned to fly at an altitude anywhere between about 0.1–6.0 km.

How high are planes in the sky?

According to USA Today, the common cruising altitude for most commercial airplanes is between 33,000 and 42,000 feet, or between about six and nearly eight miles above sea level. Typically, aircraft fly around 35,000 or 36,000 feet in the air.


How cold is it at 35000 feet?

How cold is it up there? The higher you get, the colder it gets, up until 40,000 feet. If the temperature at ground level was 20C, at 40,000 feet it would be -57C. At 35,000 feet the air temperature is about -54C.

Why do planes fly at 38000 feet?

Due to lower resistance at higher altitudes, commercial airplanes can keep moving forward with minimal fuel expenditure. Commercial airplanes typically fly between 32,000 feet and 38,000 feet, with the sweet spot being approximately 35,000 feet, which is popularly referred to as cruising altitude.

Why do planes fly at 35000 feet?

The “sweet spot” of flying is regarded as between 35,000 and 42,000 feet – too high and the oxygen becomes too sparse to fuel the engines, too low and the air resistance is greater. This optimum height is linked to the usual weight of a commercial jet – that is, heavier planes fly lower, and lighter higher.

What is the temperature at 35000 feet?

At 35,000 feet the air temperature is about -54C.

Is there oxygen at 35000 feet?

In other words, there’s ample air at 35,000 feet, and there is sufficient oxygen in it. In fact, there’s even a reasonable amount of air at the altitude where the International Space Station operates!

Do airplanes get fresh air?

“Air is pumped from the ceiling into the cabin at a speed of about a yard per second and sucked out again below the window seats.” About 40 percent of a cabin’s air gets filtered through this HEPA system; the remaining 60 percent is fresh and piped in from outside the plane.

Do pilots sleep while flying?

Yes, they do. And however alarming it may seem, they are actually encouraged to do so. It’s good to take a short nap during flights, but there are strict rules that control this practice.

Do planes fly over Everest?

Tim Morgan, a commercial pilot writing for Quora says aircraft can fly above 40,000 feet, and hence it is possible to fly over Mount Everest which stands at 29,031.69 feet. However, typical flight routes do not travel above Mount Everest as the mountains create unforgiving weather.

Do fighter pilots get shorter?

TIL fighters pilots lose an average of 1 inch of height every time they use the ejection seat, due to the amount of G’s placed on their body.

Why do aircraft fly at 35000 feet?

A balance between operating costs and fuel efficiency is achieved somewhere around 35,000 feet, which is why commercial airplanes usually fly at that altitude. Most commercial airplanes cruise at an altitude of nearly 35,000 feet—around 6.62 miles (10,600 meters) in the air!

What happens if a plane flies too high?

If a passenger jet flies too high it reaches a point called ‘Coffin Corner’. This is the point at which the aircraft’s low speed stall and high-speed buffet meet and the plane can no longer maintain its altitude which forces it to descend.

How do planes slow down after landing?

When flying, the thrust is projected out the rear of an airplane’s engines. When landing, however, pilots may use the reverse thrust feature. Reverse thrust changes the direction of the engines’ thrust. … This reversal of thrust provides deceleration that allows airplanes to slow down more quickly when landing.

Do planes dump toilet waste?

Blue ice, in the context of aviation, is frozen sewage material that has leaked mid-flight from commercial aircraft lavatory waste systems. … Airlines are not allowed to dump their waste tanks in mid-flight, and pilots have no mechanism by which to do so; however, leaks sometimes do occur from a planes septic tank.

What happens if an airplane flies too high?

If a passenger jet flies too high it reaches a point called ‘Coffin Corner’. This is the point at which the aircraft’s low speed stall and high-speed buffet meet and the plane can no longer maintain its altitude which forces it to descend.

Do planes stop in the air?

No a plane doesn’t stop in midair, planes need to keep moving forward to remain in the air (unless they are VTOL capable). What it can do is simply turn around or go over/under the obstruction. VTOL means vertical takeoff and landing. It essentially means they can hover in place like a helicopter.

Why do flights not fly over Pacific?

The main reason flight don’t go over the Pacific Ocean is because curved routes are shorter than straight routes. Flat maps are confusing as the earth itself isn’t flat. As a result the straight routes don’t offer the shortest distance.

Do planes eject toilet waste?

Blue ice, in the context of aviation, is frozen sewage material that has leaked mid-flight from commercial aircraft lavatory waste systems. … Airlines are not allowed to dump their waste tanks in mid-flight, and pilots have no mechanism by which to do so; however, leaks sometimes do occur from a planes septic tank.

Why do airplanes not fly over the Pacific Ocean?

The main reason flight don’t go over the Pacific Ocean is because curved routes are shorter than straight routes. Flat maps are confusing as the earth itself isn’t flat. As a result the straight routes don’t offer the shortest distance.

Is 6000 feet high altitude?

High altitude: 8,000 to 12,000 feet above sea level. Very high altitude: 12,000 to 18,000 feet.

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