- How far away can you hear an airplane?
- How long does it take a plane to crash from 30 000 feet?
- How many planes in the air right now?
- How do pilots know where they are?
- Is living under a flight path bad for the heart?
- Would a plane crash be painful?
- What is the temp at 30 000 feet?
- Can you see a plane at 35000 feet from the ground?
- Why do planes do not fly over the Pacific?
- What happens if a plane flies too high?
- Can planes fly at 50000 feet?
- Do pilots get scared of turbulence?
- How cold is the air at 35000 feet?
- Do planes eject toilet waste?
- Why do planes not sound at night?
- Can pilots see at night?
- Can you survive a long fall into water?
- Can you jump out of a plane before it crashes?
How far away can you hear an airplane?
These factors can impact on how sound behaves, For example, noise waves from an aircraft can travel as far as 10km.
The sound of an aircraft will also vary depending on how far away it is.
As noise waves travel, they lose energy and the higher frequency noise is absorbed by the atmosphere..
How long does it take a plane to crash from 30 000 feet?
Delta passengers on their way from Atlanta to Fort Lauderdale, Florida, received a major scare Wednesday as their plane dropped nearly 30,000 feet in the space of under eight minutes, forcing a diversion to Tampa.
How many planes in the air right now?
Well, that’s a matter of subjectivity. On a normal day, at any given moment, FlightRadar24 would be tracking anywhere between 8,000 to 20,000 planes mid-flight, which is a lot more than it’s following now.
How do pilots know where they are?
Radio beacons, normally located on land, send out radio beams which tell us the aircraft’s range and direction from that radio aid. This allows the aircraft’s computer systems to calculate the aircraft’s location. The more radio signals that can be detect, the more accurate the estimated position is.
Is living under a flight path bad for the heart?
NEW YORK (Reuters Health) – Living with airplanes regularly thundering over your head could risk the healthy pumping of your heart, suggests a new Swiss study. Based on 4.6 million adults across Switzerland, researchers found that dying from a heart attack was more common with increased exposure to aircraft noise.
Would a plane crash be painful?
If those objects float into you, their weight will feel very real and very painful. In minor crashes, it makes sense for you to brace for impact the way the little manual on the plane highlights. … But if you’re actually on a crashing plane, it won’t hurt to brace because you don’t know the magnitude of the crash.
What is the temp at 30 000 feet?
Between 30,000 and 40,000 feet (9,000 and 12,000 m), the cruising altitude of most jet aircraft, air temperature ranges from -40° F to -70° F (-40° C to -57° C). Modern aircraft have sealed cabins and heaters to protect pilots and passengers from wind blast and cold air.
Can you see a plane at 35000 feet from the ground?
This information is really rare to find somewhere in the literature, and I suppose more experienced pilots can answer this in a better way, but my answer would be: the size of the aircraft is the key factor, because if an aeroplane cruises at 35,000 feet, it would be hardly discernible, even if clear weather permits …
Why do planes do not fly over the Pacific?
The primary reason airplanes don’t fly over the Pacific Ocean is because curved routes are shorter than straight routes. Flat maps are somewhat confusing because the Earth itself isn’t flat. Rather, it’s spherical. As a result, straight routes don’t offer the shortest distance between two locations.
What happens if a plane flies too high?
When the plane gets too high, there is insufficient oxygen to fuel the engines. “The air is less dense at altitude, so the engine can suck in less and less air per second as it goes higher and at some point the engine can no longer develop sufficient power to climb.” …
Can planes fly at 50000 feet?
Currently, no passenger airplanes are “able” to fly at 50,000 feet or above. Because, at these altitudes, air density is very low, which wouldn’t sustain the heavy weight of the passenger aircrafts. Commercial airplanes have an Absolute Ceiling of 43000 feet.
Do pilots get scared of turbulence?
In short, pilots are not worried about turbulence – avoiding it is for convenience and comfort rather than safety. In the best circumstances, pilots can forecast where turbulence is and steer clear of it. “We use met data and forecasts for jet streams to avoid potential areas,” the pilot said.
How cold is the air at 35000 feet?
At 35,000 ft. (11,000 m), the typical altitude of a commercial jet, the air pressure drops to less than a quarter of its value at sea level, and the outside temperature drops below negative 60 degrees Fahrenheit (negative 51 degrees Celsius), according to The Engineering Toolbox.
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. …
Why do planes not sound at night?
Aeroplanes make sound both during the day and night time. … At night, the temperature of air is less than that of day time. Since, speed of sound depends upon the air temperature, the speed of sound at night is also less. So it is quieter at night time and the intensity of sound depends on speed of sound.
Can pilots see at night?
The short answer is no. The blinking LED light visible from the ground actually serves a beacon to help other pilots spot the plane in the air. … So, in the traditional sense at least, once the sun sets, pilots fly blind.
Can you survive a long fall into water?
There are no good records of someone falling, at terminal velocity, into the water and surviving. So historically the answer is a big no. People have survived with any number of debris slowing them to even a touch slower.
Can you jump out of a plane before it crashes?
Originally Answered: In a plane crash scenario, can’t you just jump off the plane right before it hits the ground and survive. … Originally Answered: In a plane crash scenario, can’t you just jump off the plane right before it hits the ground and survive.