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Why Would IAH Use 26L + 15R For Takeoffs?  
User currently offlineIkramerica From United States of America, joined May 2005, 21526 posts, RR: 59
Posted (6 years 8 months 2 weeks 2 days 20 hours ago) and read 1950 times:

Tonight leaving IAH we left on 15R. Pretty standard. But 26L was also being used for departures. And not just an occasional mixed mode flight, but continuous ops. I couldn't tell from my vantage point if 15L was also being used. 27 was being used for arrivals, as we landed on it earlier. Not sure if 26R was being used.

I've not seen IAH used this way before. Once in a while I'd see a turboprop use 26L, and the LGW 777 uses it often, but otherwise, the 15s are generally for departure unless the wind dictates the 33s be used (or occasionally the 8s).


Of all the things to worry about... the Wookie has no pants.
6 replies: All unread, jump to last
 
User currently offlineBoeing727 From United States of America, joined May 1999, 954 posts, RR: 0
Reply 1, posted (6 years 8 months 2 weeks 2 days 14 hours ago) and read 1867 times:

In my 12months flying in and out of IAH, 26L has only been used on very rare occasions (usually an Intl. flight needing to get out or late in the evening). Under normal circumstances, the 15s are being used, where 15R is primarily used for North and West departures, 15L are South and East departures. When there is no traffic heading for departures, IAH will let you take off from 15L regardless of direction of flight. The few times I took off from the 26L was late in the evening.

Boeing727


User currently offlineCOFreqFlyer From United States of America, joined Sep 2004, 397 posts, RR: 3
Reply 2, posted (6 years 8 months 2 weeks 2 days 14 hours ago) and read 1844 times:

Nothing really surprising about this. It's also fairly common to see 9 being used for departures when arrival counts are low and able to be handled on 26L&R. Just like asking why they are using 26L&R for landing when the winds are 140@10 when logic would normally dictate using 8L&R instead.

Just remember how it was when it was just 8/26 and 14LRS/and 32LRS. Extra kudos to those who know what 14S/32S is/was.  Wink



The Proud Bird with the Golden Tail
User currently offline102IAHexpress From United States of America, joined Feb 2005, 1156 posts, RR: 3
Reply 3, posted (6 years 8 months 2 weeks 2 days 13 hours ago) and read 1816 times:

HAS has a great diagram of typical flight corridors at IAH.
http://www.fly2houston.com/NoiseCorridors

In the west-flow configuration, aircraft arrive on runways 26R, 26L and 27 and depart from runways 15L and 15R. Runways 33L & 33R can also be used in this configuration. Runways 26R, 26L and 27 can also be used for departures when possible. The following graphic shows typical departure and arrival flight corridors for west-flow operations. Departures are shown in blue and arrivals are shown in red .


In the east-flow configuration, aircraft arrive on runways 08R, 08L and 09 and depart from runways 15L and 15R. When able, the FAA will also use runway 09 for departures. As in the west-flow operation, these runways can also be used for departures in this configuration. The following figure shows departure and arrival flight corridors for east-flow operations. Departures are shown in blue and arrivals are shown in red .


User currently offlineIkramerica From United States of America, joined May 2005, 21526 posts, RR: 59
Reply 4, posted (6 years 8 months 2 weeks 2 days 13 hours ago) and read 1808 times:



Quoting COFreqFlyer (Reply 2):
Nothing really surprising about this.

Well, it was surprising to me as I've never seen it before and have transited IAH often over the last 6 years.

I suppose winds from the southwest would make these ops workable.

I've seen the change in ops due to winds, landing on the 8's and once departing off the 33s, but never continuous departures on both 15R and 26L. And our flight was headed for LAX, so we took off and turned sharply toward the west.

Would have made more sense to depart 26L on an IAH-LAX flight, and looking at the flow charts above, our departure doesn't fit into either of them.



Of all the things to worry about... the Wookie has no pants.
User currently offlineAS739X From United States of America, joined Apr 2003, 6140 posts, RR: 23
Reply 5, posted (6 years 8 months 2 weeks 2 days 1 hour ago) and read 1689 times:

Quoting Ikramerica (Thread starter):

What time did you depart?

If it was after 800pm then I think this is normal operations. I flew IAH-SFO a few weeks ago departing at 900p and we were one of many flight, including a China Airlines A340, in line for 26L. they were using 15R/L for south and East departures and 26L for West and North.

ASSFO

[Edited 2008-01-04 20:56:27]


"Some pilots avoid storm cells and some play connect the dots!"
User currently offlineMarkTPA From United States of America, joined Jun 2000, 97 posts, RR: 3
Reply 6, posted (6 years 8 months 2 weeks 1 day 23 hours ago) and read 1647 times:

26L is used for departures more than you would imagine. I have taken off on that runway many times. The above posts are correct, its primary function is for arrivals. IAH likes to use the West operation for some reason that I haven't figuered out, but then again I just drive the bus. I have also taken off on 27, I forget the reason that the tower gave, but it was certianly different. I have even seen them use 26R for departures, that is as rare as 27 but it has been done.

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