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ORD And Runway 27R  
User currently offlinedeltaflyertoo From United States of America, joined Nov 2000, 1647 posts, RR: 1
Posted (4 years 3 months 2 weeks 2 days 15 hours ago) and read 3077 times:

Okay so I haven't flown through O'hare in awhile and was curious to know how often the new 27R/9L is used. Is it everyday? Is it more advantageous to use it as 9L than as 27R? I wonder also because didn't they have simulateous landings on 27L and 22R? Now that seems out of the equation if you use 27R instead, which doesn't really accommodate more landings. I guess what I'm asking is what is the rhyme or reason to the runway and when is it used the most.

9 replies: All unread, jump to last
 
User currently offlineflyingbronco05 From United States of America, joined May 2002, 3840 posts, RR: 2
Reply 1, posted (4 years 3 months 2 weeks 2 days 15 hours ago) and read 3043 times:

You can't land 27L and 22R at the same time since they intersect each other. When ORD is on West flow, they love to use 28 and 27L, then when it gets busy, they use 27R as well. In my near 3 years being based at ORD, I have yet to see them land or take off on 9L.


Never Trust Your Fuel Gauge
User currently onlineordpark From United States of America, joined Nov 2003, 574 posts, RR: 1
Reply 2, posted (4 years 3 months 2 weeks 2 days 15 hours ago) and read 2990 times:
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9L has been used occasionally for landings, last I heard the FAA was still tweeking the ILS. The taxi times off of 27R are rather long, 5-7 minutes, but the impact of this new runway has been terrific as far as increasing capacity.

User currently offlineDeltAirlines From United States of America, joined May 1999, 8897 posts, RR: 12
Reply 3, posted (4 years 3 months 2 weeks 2 days 14 hours ago) and read 2930 times:

Quoting ordpark (Reply 2):
The taxi times off of 27R are rather long, 5-7 minute

They are quite a long taxi - the other day we took off from 27R and it was a good 15 minute taxi from the B Concourse to get out there, with only a CRJ as traffic in front of us (per Channel 9).


User currently offlinePITrules From United States of America, joined Jun 2000, 3163 posts, RR: 4
Reply 4, posted (4 years 3 months 2 weeks 2 days 12 hours ago) and read 2810 times:

Quoting deltaflyertoo (Thread starter):
I wonder also because didn't they have simulateous landings on 27L and 22R?

They did in VFR conditions; either with appropriate spacing through the gap to allow full length operations, or LAHSO on 22R to hold short of 27L.

Quoting deltaflyertoo (Thread starter):
Now that seems out of the equation if you use 27R instead, which doesn't really accommodate more landings.

It does in IFR conditions, as it allows for triple IFR arrivals.

Quoting flyingbronco05 (Reply 1):
You can't land 27L and 22R at the same time since they intersect each other.

They've been doing it for decades in VFR weather.

[Edited 2010-05-13 23:45:49]


FLYi
User currently offlineAmricanShamrok From Ireland, joined May 2008, 2890 posts, RR: 0
Reply 5, posted (4 years 3 months 2 weeks 2 days 3 hours ago) and read 2520 times:

Quoting DeltAirlines (Reply 3):
They are quite a long taxi - the other day we took off from 27R and it was a good 15 minute taxi from the B Concourse to get out there, with only a CRJ as traffic in front of us (per Channel 9).

I thought 27R was only used for landings no?



Shannon-Chicago
User currently offline727LOVER From United States of America, joined Oct 2001, 6422 posts, RR: 17
Reply 6, posted (4 years 3 months 2 weeks 1 day 22 hours ago) and read 2319 times:

Quoting flyingbronco05 (Reply 1):
You can't land 27L and 22R at the same time since they intersect each other
Quoting PITrules (Reply 4):
They've been doing it for decades in VFR weather.

I agree because I've seen it.



Listen Betty, don't start up with your 'White Zone' s*** again.
User currently offlineDeltAirlines From United States of America, joined May 1999, 8897 posts, RR: 12
Reply 7, posted (4 years 3 months 2 weeks 1 day 22 hours ago) and read 2296 times:

Quoting AmricanShamrok (Reply 5):

I thought 27R was only used for landings no?

They sent us out there to help clear some backlog on the field...there were quite a few planes trying to get out right then due to lightning that had just cleared - throw in some wind and where the storm was going and it was rare. They did have to make us hold for a bit to get some traffic cleared out of the other runways and told us on Ch. 9 that go means go.


User currently offlineMir From United States of America, joined Jan 2004, 21561 posts, RR: 55
Reply 8, posted (4 years 3 months 2 weeks 1 day 19 hours ago) and read 2146 times:

Quoting deltaflyertoo (Thread starter):
Is it more advantageous to use it as 9L than as 27R?

No, because that would interfere with 14R or 32L. 27R is far more useful.

Quoting deltaflyertoo (Thread starter):
I wonder also because didn't they have simulateous landings on 27L and 22R? Now that seems out of the equation if you use 27R instead, which doesn't really accommodate more landings.

The advantage to 27R is that you no longer have to worry about LAHSO. That means that you don't have to worry about having good enough weather, and you don't have to worry about aircraft that can't or won't accept LAHSO clearances. The weather issue is more important - ORD can now land three runways in low vis, which it couldn't do before.

-Mir



7 billion, one nation, imagination...it's a beautiful day
User currently offlineckfred From United States of America, joined Apr 2001, 5218 posts, RR: 1
Reply 9, posted (4 years 3 months 2 weeks 1 day 5 hours ago) and read 1934 times:

Quoting Mir (Reply 8):
The advantage to 27R is that you no longer have to worry about LAHSO. That means that you don't have to worry about having good enough weather, and you don't have to worry about aircraft that can't or won't accept LAHSO clearances. The weather issue is more important - ORD can now land three runways in low vis, which it couldn't do before.

Exactly. When 27L was 27R, it was common to land aircraft on 27L, 27R, and 22R. 27R and 22R required LAHSO. When the weather went south, that pretty much closed 22R to arrivals, meaning a traffic management program to reduce the arrival rate, i.e., ground stops at departure airports.

With the new 27L, the delays have been significantly reduced, assuming the arrival pattern is to the west.


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