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Why do commercial airliners throttle back at 10 to 12 thousand feet?

Posted on 3/4/17 at 7:53 pm
Posted by GumboPot
Member since Mar 2009
118669 posts
Posted on 3/4/17 at 7:53 pm
At 10 to 12 thousand feet they throttle back and coast for approximately a minute then throttle up and climb to their cruising altitude.

Why do pilots or auto-pilot initially throttle back at 10 to 12 thousand feet? Why not continue to accelerate up to cruising altitude?
Posted by im4LSU
Hattiesburg, MS
Member since Aug 2004
31926 posts
Posted on 3/4/17 at 7:53 pm to
because you touch yourself
Posted by dinner roll
buttery goodness
Member since Feb 2006
6365 posts
Posted on 3/4/17 at 7:54 pm to
physics
Posted by Stevo
Baton Rouge
Member since Sep 2004
11368 posts
Posted on 3/4/17 at 7:55 pm to
The old DC-9's did so at a much lower altitude. Always made me nervous.
Posted by gthog61
Irving, TX
Member since Nov 2009
71001 posts
Posted on 3/4/17 at 7:55 pm to
quote:

because you touch yourself



I don't think that guy has been on every flight I have been on
Posted by BigPerm30
Member since Aug 2011
25852 posts
Posted on 3/4/17 at 7:56 pm to
I'm not sure. I've never flown commercial.
Posted by Waffle House
NYC
Member since Aug 2008
3945 posts
Posted on 3/4/17 at 7:57 pm to
If they try to turn on the wi-fi while the engines are on it shirt circuits all of the electronics.
Posted by KarlMalonesFlipPhone
Member since Sep 2015
3848 posts
Posted on 3/4/17 at 7:57 pm to
quote:

At 10 to 12 thousand feet they throttle back and coast for approximately a minute then throttle up and climb to their cruising altitude.



Always makes me uncomfortable even though I know it's coming.
Posted by rantfan
new iberia la
Member since Nov 2012
14110 posts
Posted on 3/4/17 at 7:58 pm to
I hated the take offs with the DC-10s , looked and felt they were going up at a 45 degree angle. I looked out the window once during take off it looked as if we were hanging in the air.
Posted by GumboPot
Member since Mar 2009
118669 posts
Posted on 3/4/17 at 8:01 pm to
quote:

I hated the take offs with the DC-10s


Are DC-10s still flying?

Posted by LCA131
Home of the Fake Sig lines
Member since Feb 2008
72591 posts
Posted on 3/4/17 at 8:01 pm to
Nostradamus
Posted by TheIndulger
Member since Sep 2011
19239 posts
Posted on 3/4/17 at 8:02 pm to
chemtrails
Posted by Stevo
Baton Rouge
Member since Sep 2004
11368 posts
Posted on 3/4/17 at 8:03 pm to
FedEx still flies them
Posted by SEClint
New Orleans, LA/Portland, OR
Member since Nov 2006
48769 posts
Posted on 3/4/17 at 8:03 pm to
quote:

because you touch yourself

When I think about you..

Eta

I don't want..anybody else..
This post was edited on 3/4/17 at 8:04 pm
Posted by TidenUP
Dauphin Island
Member since Apr 2011
14414 posts
Posted on 3/4/17 at 8:08 pm to
Can only release the chemicals at certain altitudes and speeds.
Posted by JamalSanders
On a boat
Member since Jul 2015
12135 posts
Posted on 3/4/17 at 8:10 pm to
Serious answer, they are being transferred from local to approach atc.
Posted by waiting4saturday
Covington, LA
Member since Sep 2005
9713 posts
Posted on 3/4/17 at 8:10 pm to
No need keep the throttle at full.
Posted by 257WBY
Member since Feb 2014
5560 posts
Posted on 3/4/17 at 8:11 pm to
Under 10,000', aircraft are restricted to 250 kts. Above that, they can go faster. You are probably sensing the decrease in climb rate at 10,000 as they pick up speed.
Posted by Saints72
Baton Rouge
Member since Dec 2012
473 posts
Posted on 3/4/17 at 8:12 pm to
Posted by lucaslsu
LSU!
Member since Oct 2007
8444 posts
Posted on 3/4/17 at 8:13 pm to
250 knot rule in class B airspace
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