Because of the dramatic air pressure change.
atmospheric
The change in air pressure as the airplane ascends or descends can cause your ears to pop. Your Eustachian tube, which helps regulate air pressure in your middle ear, may have trouble equalizing the pressure, leading to the popping sensation. Swallowing, chewing gum, or yawning can help relieve the pressure and stop the popping.
This also frequently occurs on landing mainly because of the difference in air pressure.
I'd say train because then you don't have the soreness of landing but i guess not every one gets sore ears from landing on a plane. If you don't then definitely a plane. Take off is really awesome!
As the plane climbs, the pressure drops, even in a pressure cabin. The pop is your ears equalizing from ground pressure to altitude pressure.
The sensation of popping in the ears during airplane travel is typically caused by changes in air pressure. As the airplane ascends or descends, the pressure inside the ear is different from the pressure outside, leading to the popping sensation. Swallowing, yawning, or chewing gum can help equalize the pressure and relieve the discomfort.
When an airplane takes off, passengers will feel the acceleration and lift off of the plane as it leaves the ground. Sometimes this can make passengers nervous, or as it receives elevation, it can make peoples ears pop.
When the plane ascends or descends, the air pressure inside the cabin changes, causing your ears to feel blocked. This is due to the Eustachian tube, which helps equalize pressure in your ears. Swallowing, chewing gum, or yawning can help alleviate this discomfort by opening the Eustachian tube and allowing air to pass through.
valsalve. by whoever? well, i think you should suck sweets and swallow alot whilest your on the plane then afterwards, hold your nose and blow through your nose. not really hard just a little so your ears pop, the swallow. repeat this until your ears are clear. by p-bennett by macfanpro: You really can not. In a airplane, the barometric pressure (read: the pressure of the air) changes as the plane climbs and desends. The popping is your ears internal air escaping. How p-bennett's answer works is by inducing popping, equalizing the pressure.
There is a loss of hearing sometimes, due to pressure differences. In order for a plane to fly as high as it does, the cabin is pressurized, like pumping air into a balloon. There is a difference in the pressure of the air in the plane and the air in your ears. The air in the plane pushes in on your eardrums to the point where they can't vibrate. You hear due to the vibration of your eardrum and the vibration of the tiny bones in your ears. To stop this you need to equalize the air pressure in your ears to match the pressure in the plane. You can do this by swallowing, yawning, or chewing gum.
NO!
Ears can get blocked after a plane journey due to changes in air pressure during ascent and descent. As the plane climbs or descends, the pressure in the cabin changes, which can create a pressure imbalance between the middle ear and the outside environment. The Eustachian tube, which helps equalize pressure, may not open properly, leading to a sensation of fullness or blockage. This can be relieved by yawning, swallowing, or using techniques like the Valsalva maneuver to equalize the pressure.