E190 on FLL-JFK!?
Oct 25, 2007 | 12:29 pm
#1
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E190 on FLL-JFK!?
I received a 15-minute (no big deal) schedule change notification today, and as always, went to see if my seat stayed the same or if I was reconfirmed with an acceptable one.
To my pleasant surprise, I saw an equipment change. Instead of the usual 320, I'll experience the 190 for the third time in my life...very excited, but any guess as to why the equipment change? All other flights are 320.
To my pleasant surprise, I saw an equipment change. Instead of the usual 320, I'll experience the 190 for the third time in my life...very excited, but any guess as to why the equipment change? All other flights are 320.
Oct 26, 2007 | 12:09 pm
#3
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Oct 26, 2007 | 1:56 pm
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From airliners.net:
So, it looks like it depends on how much they're pushing the engines, but if both are at max power, then it seems that the A320 goes faster, although not really by much (only 13km/h)
A320-200 - Max cruising speed 903km/h (487kt) at 28,000ft, economical cruising speed 840km/h (454kt) at 37,000ft. Range with 150 passengers and reserves with CFM56s 4843km (2615nm), or 5639km (3045nm), or 5278km (2850nm); with V2500s 4874km (2632nm) or optionally 5463km (2950nm) or 5676km (3065nm).
ERJ-170 - Max cruising speed Mach 0.82 or 890km/h (481kt). Standard range with max passengers at long range cruising speed 3334km (1800nm), LR range at same conditions 3889km (2100nm).
ERJ-190 - Speed same. Standard range with max passengers at long range cruising speed 3334km (1800nm), LR range at same conditions 4260km (2300nm).
ERJ-170 - Max cruising speed Mach 0.82 or 890km/h (481kt). Standard range with max passengers at long range cruising speed 3334km (1800nm), LR range at same conditions 3889km (2100nm).
ERJ-190 - Speed same. Standard range with max passengers at long range cruising speed 3334km (1800nm), LR range at same conditions 4260km (2300nm).
Oct 26, 2007 | 2:11 pm
#6
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I didn't take a picture so don't ask for proof, but it must have been some strong tail wind to display 618mph on Channel 13 during my ORD-JFK flight on E190.
I remember my Florida trips usually averaged around 550mph on the E320
I could be wrong.
--Russ
I remember my Florida trips usually averaged around 550mph on the E320
I could be wrong.
--Russ
Oct 26, 2007 | 5:08 pm
#7
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But, I believe it regarding the 618mph on a 190...a westbound flight most often catches pretty decent tail winds. The fastest I recall seeing on ch. 13 was on a MSY-JFK flight about 15 months ago. I think we hit the 670mph range at one point, no joke.
Oct 26, 2007 | 7:33 pm
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Eastbound, in the winter, i use to constantly see speeds around 670-690 in the 320. Today I was supprised to see a JFK-LGB flight blocked at 5:05.
As for the 190, we do see it occassionally. If the inbound aricraft is extremely late and the outbound flight is booked under 100 they may add in a 190 if there is a free one sitting around JFK.
To the Delta 767 we where following in JFK this morning, if you are wondering where a huge, long rod from your aircraft went, check with our JFK MX Department as it found it's way through our right side main well tires.
As for the 190, we do see it occassionally. If the inbound aricraft is extremely late and the outbound flight is booked under 100 they may add in a 190 if there is a free one sitting around JFK.
To the Delta 767 we where following in JFK this morning, if you are wondering where a huge, long rod from your aircraft went, check with our JFK MX Department as it found it's way through our right side main well tires.
Oct 26, 2007 | 7:42 pm
#9
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I never knew Mercedes E320 can go so fast!
But, I believe it regarding the 618mph on a 190...a westbound flight most often catches pretty decent tail winds. The fastest I recall seeing on ch. 13 was on a MSY-JFK flight about 15 months ago. I think we hit the 670mph range at one point, no joke.
But, I believe it regarding the 618mph on a 190...a westbound flight most often catches pretty decent tail winds. The fastest I recall seeing on ch. 13 was on a MSY-JFK flight about 15 months ago. I think we hit the 670mph range at one point, no joke.
Then there is what is known as "true air speed" which is what the specs in the post above referred to. This is the air speed of the ship regardless of the wind. This is a critical piece of data because the a/c's capacities are defined according to true airspeed, not ground speed.
All commercials airliners fly considerably below their maximum true air speed which is not safe to operate at for extended periods of time either structurally or mechanically.
Oct 26, 2007 | 7:54 pm
#10
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The numbers shown on Channel 13 are ground speed numbers. That is how fast we are moving across the ground. Ground speed factors in the wind velocity as TWA stated above.
Oct 26, 2007 | 8:10 pm
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Thanks for the ground speed/true air speed info! I've always seen both terms on MS Flight Sim, but never understood it as good as you just explained it.
Oct 26, 2007 | 9:03 pm
#12
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the Jet Blue spec decked out A320 is a Mercedes-Benz of aircrafts...
I'm guessing the other number you see on ch 13 is the sea level elevation.
JFK, LGA, EWR here show 5 feet, while Chicago was signifincantly higher.
--Russ
I'm guessing the other number you see on ch 13 is the sea level elevation.
JFK, LGA, EWR here show 5 feet, while Chicago was signifincantly higher.
--Russ
Oct 26, 2007 | 9:05 pm
#13
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I first picked up on that during a trip to SEA last year.
Oct 27, 2007 | 9:02 am
#14
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Westbound will hit headwinds most of the time. Eastbound will get tailwinds. That's the way the jetstream rolls. In the winter they can be very significant - enough to cause fuel stops westbound but still have the planes complete the r/t turn out and back in about the normal allotted time thanks to such a short return trip.
Oct 27, 2007 | 9:14 am
#15
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Westbound will hit headwinds most of the time. Eastbound will get tailwinds. That's the way the jetstream rolls. In the winter they can be very significant - enough to cause fuel stops westbound but still have the planes complete the r/t turn out and back in about the normal allotted time thanks to such a short return trip.