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CessnaNephew
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Joined: Mon Jul 11, 2016 2:48 pm

Supersonic A380?

Wed Jan 30, 2019 1:22 pm

Yesterday while viewing the Live Flight Tracker website, I noticed a, Airbus 380 flying out of Houston at 35,000 feet at 678 mph. Is this supersonic or is the speed shown in knots?
 
Leej
Posts: 399
Joined: Fri Apr 20, 2001 10:39 pm

Re: Supersonic A380?

Wed Jan 30, 2019 1:36 pm

Would of course be groundspeed, not airspeed.
 
StTim
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Joined: Thu Aug 08, 2013 7:39 am

Re: Supersonic A380?

Wed Jan 30, 2019 1:39 pm

Yeah - imagine the energy that would be needed to push the A380 through the sound barrier!
 
Dominion301
Posts: 2894
Joined: Wed Jul 20, 2016 1:48 pm

Re: Supersonic A380?

Wed Jan 30, 2019 1:40 pm

StTim wrote:
Yeah - imagine the energy that would be needed to push the A380 through the sound barrier!


Probably just a little bit more than the DC-8 that did so in the sixties....honestly though I have no idea. :)
Last edited by Dominion301 on Wed Jan 30, 2019 1:41 pm, edited 1 time in total.
 
Amsterdam
Posts: 450
Joined: Thu Mar 17, 2011 12:52 am

Re: Supersonic A380?

Wed Jan 30, 2019 1:40 pm

1 knot is faster than 1 mph
 
fpetrutiu
Posts: 746
Joined: Tue Aug 07, 2007 11:28 pm

Re: Supersonic A380?

Wed Jan 30, 2019 2:00 pm

That is ground speed. If it has nice tail winds, it is not at all unusual. You sometimes even catch 800mph in the jet stream. Of course, this is ground speed. They are still doing .82 to .85 Mach, Otherwise the aircraft would disintegrate.
Florin
Orlando, FL
 
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N14AZ
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Re: Supersonic A380?

Wed Jan 30, 2019 2:44 pm

CessnaNephew wrote:
Yesterday while viewing the Live Flight Tracker website, I noticed a, Airbus 380 flying out of Houston at 35,000 feet at 678 mph. Is this supersonic or is the speed shown in knots?

fpetrutiu wrote:
Otherwise the aircraft would disintegrate.

This is how the A380 looked like after this flight:
ImageA380-800 MSN 5000 'PAMELA' [Static Test airframe] remains. by A380spotter ..48% EU, auf Flickr

....

sorry, couldn't resist :shy:

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