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Airports With 4 Parallel RWYs  
User currently offlineMatterhorn From Switzerland, joined Feb 2004, 135 posts, RR: 2
Posted (10 years 1 month 3 weeks 21 hours ago) and read 2321 times:

i was just browsing through a.net's database and saw a picture where a plane was departing AMS from rwy 18C. i know that AMS does have three parallel runways which are called 18L, 18C and 18R.
my question now: if AMS would build another runway which would be parallel to those other three, how would it be called? 18X?

as far as i know AMS is able to operate these three simultaneosly wheras this is not possible in ATL or LAX. do you guys know any airports which are able to operate four runways simultaneosly?


Last Flight: BSL-AMS on EZY, Next Flight: ZRH-LHR on LX
19 replies: All unread, jump to last
 
User currently offlineNjdevilsin03 From United States of America, joined Apr 2004, 728 posts, RR: 0
Reply 1, posted (10 years 1 month 3 weeks 21 hours ago) and read 2296 times:

How many Runways are at Orlando? is it 3 parallels or 4?


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User currently offlineDesertJets From United States of America, joined Feb 2000, 7776 posts, RR: 16
Reply 2, posted (10 years 1 month 3 weeks 21 hours ago) and read 2288 times:

I am not sure if there is any airport that is capable of quadruple independent approaches right now. Perhaps DEN as all the runways are well spaced out. DFW might be able to once the 6th n/s parallel is built.

If AMS built a 4th parallel it would likely be numbered 17L, 17R, 18L, 18R or 18L, 18R, 19L, 19R.



Stop drop and roll will not save you in hell. --- seen on a church marque in rural Virginia
User currently offlineXJRamper From United States of America, joined Dec 2003, 2460 posts, RR: 51
Reply 3, posted (10 years 1 month 3 weeks 21 hours ago) and read 2288 times:

Not exactly parallel, but ATL has 8L/R and 9L/R and they definitely use these simultaneously. But I do not think that there are any airports that have more than three exact parallel runways.

XJR



Look ma' no hands!
User currently offlineLuisca From , joined Dec 1969, posts, RR:
Reply 4, posted (10 years 1 month 3 weeks 21 hours ago) and read 2272 times:

XJRamper Wrote

"not exaclty parallel"
Actually they are paralell, just that when you have more than 3 runways facing the same direction you name two with the correct number and the other two with the next number for example, a heading of 180 would be 18, so you would have 18R 18L and 19R 19L
I think Denver can have four simultaneous approches (paralell)


User currently offlinePhollingsworth From United Kingdom, joined Mar 2004, 825 posts, RR: 5
Reply 5, posted (10 years 1 month 3 weeks 21 hours ago) and read 2271 times:

i was just browsing through a.net's database and saw a picture where a plane was departing AMS from rwy 18C. i know that AMS does have three parallel runways which are called 18L, 18C and 18R.
my question now: if AMS would build another runway which would be parallel to those other three, how would it be called? 18X?

as far as i know AMS is able to operate these three simultaneosly wheras this is not possible in ATL or LAX. do you guys know any airports which are able to operate four runways simultaneosly?


They would just change the number, here in ATL, we have 8R-26L, 8L-26R, 9R-27L, and 9L-27R. Soon we will have 10-28. As for simultaneous operations. ATL can operate their runways simultaneously in visual weather. Though it must be mixed operations, i.e. 8R & 8L cannot be used for simultaneous landings, an arrival and departure are required. Only, 8L-26R and 9R-27L can currently be used for simultaneous instrument arrivals, departures on the inner runways are still allowed depending on the conditions. Since ATL has pretty even arrival-departure load, DL having so many flights a day, this isn't a real problem (actually the airport is very near its 24 hour capacity). When 10-28 is added ATL will be setup for 3 simultaneous instrument arrivals. Also 10-28 does a whole lot to add poor weather capacity, but not much to add fair weather capacity, because it puts a large strain on the taxi facilities (there are no end around taxi-ways so 10-28 traffic must cross two runways).


User currently onlineNorthStarDC4M From Canada, joined Apr 2000, 3011 posts, RR: 37
Reply 6, posted (10 years 1 month 3 weeks 21 hours ago) and read 2256 times:
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actually ATLs 4 ARE exactly parallel, as are LAX's, 5 of DFWs and probably a few more.

They are numbered 8/9 just to avoid having to call all 4 the same thing. Imagine the confusing nature of 9A/B/C/D or similar... Left/Right is much clearer.

MCO has 3 runways but im not sure if 17 is exactly parallel with the 18s.

Toronto has 3 parallel runways (24L/R and 23).

There are lots of other 3 runway parallels as well (MDW for example) and the 2 systems for numbering are: Left/Center/Right or Left/Right and different number.



Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety.
User currently offlineInnocuousFox From United States of America, joined Dec 2003, 2805 posts, RR: 14
Reply 7, posted (10 years 1 month 3 weeks 21 hours ago) and read 2247 times:

DFW can run 3x ILS (18R, 17C, 17L)
DEN can run 4x parallel but they won't because of the layout

The most common layout of 4 parallel is in pairs such as ATL and LAX. Whenever you have paired runways, you do mixed ops. The outside one (away from the terminal) is used for arrivals and the inside for departures. The numbering is as mentioned before. Rarely are runways exactly on the 10's of degrees anyway (or at least not for long due to magnetic drift) so they take the one that is next closest. e.g. heading 203 would give you a pair of 20s and a pair of 21s.



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User currently offlineOPNLguy From , joined Dec 1969, posts, RR:
Reply 8, posted (10 years 1 month 3 weeks 21 hours ago) and read 2244 times:

>>>if AMS would build another runway which would be parallel to those other three, how would it be called? 18X?

They'd probably call them 17L/R and 18L/R even though the headings were the same. Check out http://www.airnav.com and you'll see that's pretty much what they did with DFW 17C/17R and 18L/18R as well as LAX's 24L/24R and 25L/25R.


>>>as far as i know AMS is able to operate these three simultaneosly wheras this is not possible in ATL or LAX. do you guys know any airports which are able to operate four runways simultaneosly?

It depends upon what you mean by "operate"... In good weather? In bad weather? DFW has 5 parallels, LAX 4, and ATL 4. In VMC weather, visual approaches could conceiveably be run to all these runways, but it was IMC and ILS approaches were required, that wouldn't be the case.

Assuming IMC, I think DFW will eventually be able to handle 4 simultaneous ILS approaches once they build the new 18R/36L on the far west side of the airport. (The current 18R/36L would then become 18C/36C).



User currently offlineMatterhorn From Switzerland, joined Feb 2004, 135 posts, RR: 2
Reply 9, posted (10 years 1 month 3 weeks 21 hours ago) and read 2186 times:

wow, thanks a lot for your quick and comprehensive answers.

what i mean with operating parallel was the question whether there is an airport which can handle 3 approaches (or 3 departure respecitvely) simultaneosly on parallel runways.
for instance, ATL's runways are too close to do such a thing, or am i wrong?



Last Flight: BSL-AMS on EZY, Next Flight: ZRH-LHR on LX
User currently offlineDrerx7 From United States of America, joined Jun 2000, 5173 posts, RR: 8
Reply 10, posted (10 years 1 month 3 weeks 21 hours ago) and read 2184 times:

IAH can have 3 simultaneous ILS approaches on 9/27, 8L/26R, 8R/26L


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User currently offlineNeilalp From United States of America, joined Apr 2000, 1034 posts, RR: 1
Reply 11, posted (10 years 1 month 3 weeks 21 hours ago) and read 2161 times:

DTW used to have 3 21L, 21C, 21R but they added a 4th making old 21L still 21L, old 21C become new 21R, old 21R become 22L, and new 22R.

User currently offlineDIA From United States of America, joined Jan 2001, 3273 posts, RR: 28
Reply 12, posted (10 years 1 month 3 weeks 20 hours ago) and read 2135 times:

Not only does DEN have 4 parallels, but if the airport is ever used to the max. . .there are plans and room enough for 6, or 8, all together, I can't recall. . .but all north-south parallels. I can't remember the east-west max expansion plans. I do know that one east-west is proposed to be built next to the cargo facilities on the south side of Pena Blvd. All together. . .DIA can have a max of 12 runways.

I'll have to see if I can locate that "master plan" again.



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User currently offlineEA CO AS From United States of America, joined Nov 2001, 13553 posts, RR: 62
Reply 13, posted (10 years 1 month 3 weeks 20 hours ago) and read 2133 times:
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I believe PHX is now capable of handling simultaneous ILS approaches to 8/26, 7L/25R and 7R/25L.


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User currently offlineAirStatDFW From United States of America, joined Mar 2004, 376 posts, RR: 0
Reply 14, posted (10 years 1 month 3 weeks 20 hours ago) and read 2081 times:

DFW has 5 parallels in VFR conditions they can use all 7 of there runways at one time. During some IFR conditions they will depart on 2 runways and can use 4 ILS approaches 13R, 18R/36L 17C/35C, 17L/35R, 31R if the visibility drops lower they will go down to 3 or 2 ILS approaches 18R, 17C/35C, 17L/35R due to converging ILS and flow.

AirStatDFW


User currently offlineOlympus69 From Canada, joined Jun 2002, 1737 posts, RR: 7
Reply 15, posted (10 years 1 month 3 weeks 20 hours ago) and read 2056 times:

YYZ can't do 3 exactly simultaneous landings but I have seen, when they were using 23 and 24L for landings, a plane switching at the last minute to 24R because the spacing was too tight on 24L. So there could have been 3 landing planes on the runways at the same time.

User currently offlineRareBear From United States of America, joined Jan 2004, 553 posts, RR: 0
Reply 16, posted (10 years 1 month 3 weeks 19 hours ago) and read 1952 times:

At ATL, the 8 pair are too close for simultaneous arrivals, as well as the 9 pair. Simultaneous arrivals at ATL are conducted with one on the outer of the 8 pair and one on the outer of the 9 pair. Departures are on the inner of the two pairs.


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User currently offlineFlymunich From Germany, joined Mar 2004, 171 posts, RR: 0
Reply 17, posted (10 years 1 month 3 weeks 18 hours ago) and read 1851 times:

Another airport with 4 parallel runways is Paris CDG in France.

User currently offlineIsitsafenow From United States of America, joined Feb 2004, 4984 posts, RR: 23
Reply 18, posted (10 years 1 month 3 weeks 17 hours ago) and read 1788 times:

NEILALP is correct. DTW now has four parallel NE-SW runways.
ATL and LAX have 4 parallel E-W runways. MCO has three N-S with a new one on the far east side of the airport under construction. Last time I was there(last fall) the bulldozers were doing their thing.
safe



If two people agree on EVERYTHING, then one isn't necessary.
User currently offlineWilliam From United States of America, joined Jun 1999, 1262 posts, RR: 0
Reply 19, posted (10 years 1 month 3 weeks 16 hours ago) and read 1705 times:

Back before the new East runway was completed,DFW used to use the four north/south runways for landings. The aircraft landing on the inner pair were staggered from the aircraft landing on the outside. And vice versa for takeoffs. It was interesting watching four sets of landing lights converging at one time onto DFW. Of course only in VFR. Now with the extra runway,they do not do this as much or anymore.

On a side note the takeoff runways at IAH are pretty close yet,ATC uses them for simultaneous takeoffs.


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