[access-uk] Re: Flying

  • From: "andrew shipp" <andrew-shipp4@xxxxxxxxxxxx>
  • To: <access-uk@xxxxxxxxxxxxx>
  • Date: Mon, 10 Mar 2008 10:20:11 -0000

Hi Peter, Yes understand that I just wondered if wearing my hearing aids would reduce this from happening. 

Regards
Andy Shipp & Trafford my new best friend.
Located Northampton  Northamptonshire UK.
HamRadio Callsign M0CEG
Echolink 220334
Contact Details
Mobile 07983 598287
Home Tel...+44,0,1604 517007
----- Original Message ----- From: "Peter Logue" <plsd@xxxxxxxxxxxxxxxx> 
To: <access-uk@xxxxxxxxxxxxx>
Sent: Monday, March 10, 2008 10:09 AM
Subject: [access-uk] Re: Flying



Hi Andy,
Nothing to worry about.
Your ears pop in planes because the air high above the surface of Earth is
less
dense than air near the surface, because air near the surface has all the
air above
it pushing down.
Some air planes can fly so high they require oxygen masks or a pressurized
cabin,
so the pilot and passengers don't pass out for lack of air. Even higher and 
planes can't fly because their wings require air to provide lift.
As you ascend in an airplane and the air pressure decreases, the air trapped 
in
your inner ear will cause your eardrums to push outward.  This expansion
causes not
only the discomfort you feel before your ears pop, but also a decrease in
hearing
ability, because the pressure on your ear drums makes the sound harder to
transmit.
Your body can equalize the pressure between your inner ear and the
atmosphere by
allowing some air from your inner ear to escape through the Eustachian
tubes, two
small channels that connect the inner ears to the throat, one on each side. 
When they open, you feel the pressure release and you hear the change
because it's
happening in your ear.  This equalization of pressure is the pop.
On the way down from a plane flight, the air pressure increases, while your inner ear is still at the lower pressure it has adjusted to. Now, the extra 
pressure
pushes the eardrums inward.
Eventually, the pressure will equalize again, but many people don't wait,
they just
hold their nose closed, close their mouth and blow.  Because the air from
their lungs
has nowhere to go, it is forced into the inner ear through the Eustachian
tubes,
popping their ears.
This effect can happen to people driving through mountainous areas or riding lifts in tall buildings, but it is more noticeable on airplanes because the 
altitude
changes quickly and they fly higher than buildings or mountains.


Peter Logue
Skype: clydeview2008
-----Original Message-----
From: access-uk@xxxxxxxxxxxxx [mailto:access-uk@xxxxxxxxxxxxx] On Behalf Of 
andrew shipp
Sent: 10 March 2008 09:42
To: access -uk
Subject: [access-uk] Flying

Hi All,  I am told that when you go flying,  your ears will pop,  so if I
ware my hearing aids will they still pop?  or not?
Regards
Andy Shipp & Trafford my new best friend.
Located Northampton  Northamptonshire UK.
HamRadio Callsign M0CEG
Echolink 220334
Contact Details
Mobile 07983 598287
Home Tel...+44,0,1604 517007

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