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High Ground Speed On Flight Today  
User currently offlineKindjordan From United States of America, joined Nov 2004, 59 posts, RR: 0
Posted (9 years 7 months 1 week 2 days 19 hours ago) and read 3394 times:

Hey guys.....today i was on jetblue 118 from MSY>JFK....about 20 minutes from our initial descent from 330, I was watching the moving map on tv's...and i saw the ground speed was indicating 691mph ground speed. I thought this was alittle high and was wondering if anyone here could confirm this. I thought maybee the gps was off a little as they sometimes are....any input would be apreicated-J

8 replies: All unread, jump to last
 
User currently offlineSATL382G From , joined Dec 1969, posts, RR:
Reply 1, posted (9 years 7 months 1 week 2 days 18 hours ago) and read 3366 times:

Must have had a nice tail wind....

User currently offlineFutureualpilot From United States of America, joined May 2000, 2602 posts, RR: 8
Reply 2, posted (9 years 7 months 1 week 2 days 18 hours ago) and read 3358 times:

On my flight from LAX-ORD on an AA 763 on 28NOV04 we were at 700mph+ according to our pilots.....kind of a cool thought!


Life is better when you surf.
User currently offlineStarlionblue From Greenland, joined Feb 2004, 17003 posts, RR: 67
Reply 3, posted (9 years 7 months 1 week 2 days 18 hours ago) and read 3362 times:

Well I could explain. Do you know anything about wormholes?  Big grin

Seriously, ground speed is the speed of the plane relative to the ground. Airspeed is the speed of the aircraft relative to the air around it. So if the air is moving in the same direction as the plane (wind, jetstream, etc...) relative to the ground the ground speed can be quite high despite airspeed remaining well within acceptable limits. This phenomenon is of course referred to as "tailwind".

691mph=1112km/h. This is in the high range but not unusual. Jetstreams can move at several hundred mph.

[Edited 2004-12-27 03:56:44]


"There are no stupid questions, but there are a lot of inquisitive idiots."
User currently offlineKindjordan From United States of America, joined Nov 2004, 59 posts, RR: 0
Reply 4, posted (9 years 7 months 1 week 2 days 18 hours ago) and read 3355 times:

thanks for the reply...it's starting to make sence now Smile

[Edited 2004-12-27 03:53:45]

User currently offline2H4 From United States of America, joined Oct 2004, 8955 posts, RR: 60
Reply 5, posted (9 years 7 months 1 week 2 days 18 hours ago) and read 3291 times:
AIRLINERS.NET CREW
DATABASE EDITOR

Here's a site you might be interested in:

http://www.groundspeedrecords.com


2H4



Intentionally Left Blank
User currently offlineAaron747 From Japan, joined Aug 2003, 8039 posts, RR: 26
Reply 6, posted (9 years 7 months 1 week 2 days 4 hours ago) and read 2959 times:

cool story jordan. when I was returning to SJC from NRT on AA128 last March, we rode the jet stream for about two hours just southwest of alaska. the flight progress screen was showing our groundspeed to be over 780 mph.

now, it's important to keep in mind that groundspeed is irrelevant as far as the aircraft is concerned. airplanes only know airspeed.



If you need someone to blame / throw a rock in the air / you'll hit someone guilty
User currently offlineFSPilot747 From United States of America, joined Oct 1999, 3599 posts, RR: 12
Reply 7, posted (9 years 7 months 1 week 2 days 3 hours ago) and read 2953 times:

But groundspeed means everything to the passengers  Big grin

User currently offlineKindjordan From United States of America, joined Nov 2004, 59 posts, RR: 0
Reply 8, posted (9 years 7 months 1 week 7 hours ago) and read 2756 times:

LOL....accoring to groundspeedrecords.com another jetblue airbus has the record on the site....722mph recorded between LGB>JFK....hey, when you have a 250mph wind pushin yo-ass you gonna move Big grin!

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