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Is The Runway At Your Airport Flat!?!?!  
User currently offlineEGGD From United Kingdom, joined Feb 2001, 12443 posts, RR: 35
Posted (12 years 6 months 3 days 21 hours ago) and read 6827 times:

Odd question...

I assumed that ALL runways were flat, it never occured to me that they might not be. But the first time I went spotting at my home airport, I noticed there is a huge difference in elavation. The rwy27 threshold is level with the terminal area, then it dips down to about 5m below, and then rises to about 5m above, and then stays at that height until the rwy9 threshold. Doesn't sound much, but BELIEVE ME, the runway is one of the worst i've seen (you can't see an aircraft on the rwy9 threshold from the rwy27threshold).

I thought that we were a one off, but the airport closest to me (Filton), is on a camber, much like MAN's main runway, 24R/6L. Where it peaks in height in the middle. Also, BHX is much like Bristol, in fact they are pretty similar apart from EGBB's is longer.. (we are not talking about users' thingy.....nevermind).

Also, I know of Jersey, Munich, Courcheval all have runways that are by no means flat.

So how flat is the runway near you? Anyone have any strange shape ones? Is there a legal limit to how steep a runway can be?

Thanks

Dan

32 replies: All unread, showing first 25:
 
User currently offlineDIA From United States of America, joined Jan 2001, 3273 posts, RR: 28
Reply 1, posted (12 years 6 months 3 days 21 hours ago) and read 6692 times:

All I can tell you is DIA's runways look like pancakes compare to old Stapleton's. Those looked like roller coasters, especially the old east-west runways!

Cheers, DIA



Ding! You are now free to keep supporting Frontier.
User currently offlineJuanchito From Guatemala, joined Nov 2000, 1181 posts, RR: 9
Reply 2, posted (12 years 6 months 3 days 21 hours ago) and read 6672 times:

Here in La Aurora International, the runway isn't flat.


Juanchito



Chapin de corazon.
User currently offlineQANTAS747-438 From United States of America, joined Jan 2001, 1935 posts, RR: 2
Reply 3, posted (12 years 6 months 3 days 21 hours ago) and read 6659 times:

Here's a dip in the runway at ATL!


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Click here for full size photo!

Photo © Chris Coduto




My posts/replies are strictly my opinion and not that of any company, organization, or Southwest Airlines.
User currently offlineDripstick From Canada, joined Dec 2001, 2364 posts, RR: 21
Reply 4, posted (12 years 6 months 3 days 21 hours ago) and read 6659 times:

Flat runways are fairly rare. The only seemingly "flat" strip I can recall was Amsterdam. Most terrain has slight grades to deal with. If a runway was totaly level, think of the drainage problems. Would bring a whole new meaning to the term hydroplaning.


What's another word for thesaurus?
User currently offlineLowfareair From , joined Dec 1969, posts, RR:
Reply 5, posted (12 years 6 months 3 days 21 hours ago) and read 6651 times:

Telluride(KTEX) has a large dip in it. But then again it's on a plateau, and the highest commercial airport in the US, so what do you expect?

"Some fly at 9,078'. We land.


User currently offlineDripstick From Canada, joined Dec 2001, 2364 posts, RR: 21
Reply 6, posted (12 years 6 months 3 days 21 hours ago) and read 6646 times:

I just looked up Telluride(KTEX). Now you're talking terrain! How long is the main runway?

http://www.sancarlospilots.org/telluride.jpg



What's another word for thesaurus?
User currently offlineFlightSimFreak From United States of America, joined Oct 2000, 720 posts, RR: 0
Reply 7, posted (12 years 6 months 3 days 20 hours ago) and read 6626 times:

Where the GA runway crosses the big one at my airport, there is a big bump... I guess it's for drainage on the big one. Sometimes, if you're right at rotation, it can catapult you into the air... kinda fun.

User currently offlineHAL From United States of America, joined Jan 2002, 2560 posts, RR: 53
Reply 8, posted (12 years 6 months 3 days 20 hours ago) and read 6614 times:

The runways at Honolulu, including the reef runway are completely flat. At Seattle however, it is pretty straight (without bumps) but the north end is almost 80 feet higher than the south end.

HAL



One smooth landing is skill. Two in a row is luck. Three in a row and someone is lying.
User currently offlineAmmunition From United Kingdom, joined Feb 2002, 1065 posts, RR: 4
Reply 9, posted (12 years 6 months 3 days 20 hours ago) and read 6606 times:

how does this effect take off performance? or doesit even effect it?


Saint Augustine- 'The world is a book and those who do not travel, read only 1 page'
User currently offlineBig777jet From , joined Dec 1969, posts, RR:
Reply 10, posted (12 years 6 months 3 days 18 hours ago) and read 6557 times:

Worse steep runway in the U.S.A. is Cape Newenham, Alaska. Rwy 14 elev is 230 feet and Rwy 32 elev is 541 feet almost 311 feet down the runway 34 for take off only and up the runway 14 landing only. The miss approach is inprobable!!!! Ahhhh!!! BTW, the runway is gravel at 3,950 feet length! I found the picture of airport! Here is http://www.firebirds.org/menu10/mn10_p61.htm

Big777jet



User currently offlineGmanmn From United States of America, joined Sep 2001, 23 posts, RR: 0
Reply 11, posted (12 years 6 months 3 days 18 hours ago) and read 6540 times:

Most commercial aircraft have a limitation of + or - 2% runway slope. That is measured from threashold to threashold. This data is published in most countries aeronautical publications for the airport data. Hope this helps...

Chow.


User currently offlineDeltaASA16 From , joined Dec 1969, posts, RR:
Reply 12, posted (12 years 6 months 3 days 17 hours ago) and read 6518 times:

I was in Alpe-Du-huez. It is a ski resort in France south east of Lyon, and the airport there is anything but flat. It is practiaclly built up the mountain. I did some spotting and the planes (single engine props) would roll over the crest of the hill and plunge down the side of the mountain and then gadually lift off the runway. The planes landed opposite. Landed while flying positive fpm!! Then would coast to the runway and tehn add power and climb upward and touchdown on the runway! It was soo cool to watch  Big thumbs up

Kind of like the airport in TOMMOROW NEVER DIES 007
DeltaASA16


User currently offlineGalilee From , joined Dec 1969, posts, RR:
Reply 13, posted (12 years 6 months 3 days 17 hours ago) and read 6512 times:

Seems like large dips, like the one in the ATL picture would cause a major water drainage problem. Wouldn't all just collect there? How are airplane tires with regard to water removal?

User currently offlineKAUSpilot From United States of America, joined Jan 2002, 1958 posts, RR: 33
Reply 14, posted (12 years 6 months 3 days 16 hours ago) and read 6501 times:

There are almost no truly flat runways. Just pick up an airport facility directory, every runway has a slope grade in its information.

Galilee: The runways are humped in the middle, so the water drains off to each side. It's not a lot, but the center line of the runway might be maybe a foot higher than either edge. This is an approximation, it may be less, may be more.


User currently offlineGmonney From Canada, joined Jan 2001, 2159 posts, RR: 20
Reply 15, posted (12 years 6 months 3 days 16 hours ago) and read 6497 times:

YYZ has some dips in rwy 33R and L, hope that helps, I don't think you will find terain that is completly flat for that amount of space.

Grant



Drive it like you stole it!
User currently offlineRolex01 From , joined Dec 1969, posts, RR:
Reply 16, posted (12 years 6 months 3 days 16 hours ago) and read 6494 times:

All runways are flat. Now, if you mean sloped, thats a different story.

User currently offlineBoeing nut From , joined Dec 1969, posts, RR:
Reply 17, posted (12 years 6 months 3 days 16 hours ago) and read 6493 times:

duh.............

User currently offlinePUnmuth@VIE From Austria, joined Aug 2000, 4163 posts, RR: 54
Reply 18, posted (12 years 6 months 3 days 16 hours ago) and read 6485 times:

Here @ VIE the RWY 11/29 is far away from being flat. Click here and here to see it.
Peter



-
User currently offlineRoyalDutch From United States of America, joined Mar 2001, 917 posts, RR: 3
Reply 19, posted (12 years 6 months 3 days 16 hours ago) and read 6470 times:

When the bus goes by the end of RW 22 here in Prague, you can see that it looks like its got huge waves in it....I always wondered about that too, as i've never seen anything actually use 22...

User currently offlineGoldenShield From United States of America, joined Jan 2001, 6003 posts, RR: 14
Reply 20, posted (12 years 6 months 3 days 15 hours ago) and read 6467 times:

Catalina Island, CA, (AVX) has a BIG hill in the middle of the runway, so a/c on both sides cannot see each other. It is a 3000 foot runway that it 1000 feet MSL, with a cliff at both ends just feet from the runway. Imagine a mountain with the top chopped off.


Two all beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun.
User currently offlineAWspicious From , joined Dec 1969, posts, RR:
Reply 21, posted (12 years 6 months 3 days 15 hours ago) and read 6458 times:

I figured YYZ's runways were built like that intentionaly.
Great shots by the way, Peter.


User currently offlineDemoose From Canada, joined Mar 2001, 1952 posts, RR: 23
Reply 22, posted (12 years 6 months 3 days 7 hours ago) and read 6395 times:

At Manchester runway 24R/6L has a hump in the middle. I've watched aircraft take off from 6L from the far end of the runway and you can only see half the runway, then out of nowhere a jet emerges over the runway horizon and flies right over, great to watch.

Click for large version
Click here for full size photo!

Photo © Chris Sheldon



Click for large version
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Photo © Chris Sheldon



Click for large version
Click here for full size photo!

Photo © Chris Sheldon


The new runway 24L/6R on the other hand is pretty much completely flat with a slight dip in the center...

Click for large version
Click here for full size photo!

Photo © Chris Sheldon



Click for large version
Click here for full size photo!

Photo © Chris Sheldon


DEM



Take a ride...fly across the sky
User currently offlineThirtyEcho From United States of America, joined Dec 2001, 1645 posts, RR: 1
Reply 23, posted (12 years 6 months 3 days 6 hours ago) and read 6381 times:

Can't recall ever seeing a flat runway.

User currently offlineNighthawk From UK - Scotland, joined Sep 2001, 5134 posts, RR: 33
Reply 24, posted (12 years 6 months 3 days 6 hours ago) and read 6372 times:

i remember hearing that cape canaveral is the flattest runway in the world, with a difference of something like 2mm between elevation at each ends. Apparently it is so flat that it conforms to the curviture of the earth


That'll teach you
25 Post contains links EGGD : Kai Tak was pretty damn flat, If I remember rightly... Demoose, as I said before, the main rwy does have that odd hump: http://www.planepictures.net/n
26 Schreiner : R/W atr AMS/SPL is as flat as a dubbeltje (dime) (all 5 of them) Gr, Schreiner
27 Wjv04 : guys, its pretty odd to think that a runway would be flat you take a 10000ft long road, how flat would that be?
28 Post contains images Dripstick : Schreiner...don't you mean as flat as a euro-dime?
29 Post contains links and images VapourTrails : I was going to ask a question about runway surfaces! On the new video Concorde: The New Era the runway at Exeter Airport that Concorde is departing fr
30 PW100 : Indeed, Schiphol (AMS) runways are very flat [level]. All 5 runways have less than one feet elevation difference from the beginning to the end of thw
31 Post contains images Jwenting : Depends on which end you start, PW100. It's -11 feet on the high end No using the slope of the runway to slow down here...
32 Post contains links and images Tguman : here's is a picture of the shape of La Aurora's runway. The runway here in TGU is flat but it slopes downward the whole way from runway1 to 19 Click f
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