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Why Two Runways Needed At Small Airports?  
User currently offlinePanAmerican From Germany, joined Oct 2003, 384 posts, RR: 5
Posted (11 years 1 month 3 weeks 1 day 17 hours ago) and read 3820 times:

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I am astonished to see that such a small airport like Hurghada needs two runways when even London Gatwick has only one!
Is this just a waste of taxpayers money or is there a reason why a lot of small airports with considerably low traffic have two runways?
Can you think of any other small airports that have two runways?
I would understand this if the runways were not in the same direction so that they could be used with different wind conditions, however building parallel runways seems pretty unnecessary to me.
What do you guys think?

 Smile/happy/getting dizzyPA



Pan Am - The World's Most Experienced Airline.
10 replies: All unread, jump to last
 
User currently offlineTriStar500 From Germany, joined Nov 1999, 4696 posts, RR: 42
Reply 1, posted (11 years 1 month 3 weeks 1 day 17 hours ago) and read 3800 times:

Some reasons I can think of spontaneiously:

possible military use (failsafe in case one runway is damaged in an attack or several fighters have to be scrambled at once)

backup system in case of maintenance work

long-term spare capacity management

high volume of general- or light aviation traffic



Homer: Facts are meaningless. You could use facts to prove anything that's even remotely true!
User currently offlineSammy123 From United Kingdom, joined Nov 2003, 21 posts, RR: 0
Reply 2, posted (11 years 1 month 3 weeks 1 day 17 hours ago) and read 3776 times:

I Believe Las Vegas has 4 runways

User currently offlinePanAmerican From Germany, joined Oct 2003, 384 posts, RR: 5
Reply 3, posted (11 years 1 month 3 weeks 1 day 17 hours ago) and read 3730 times:

Good reasoning, TriStar500. Unlike us they seem to have the space for that anyway, not the money though.

Sammy123: Las Vegas is a very big airport with lots of traffic that really needs those four runways so I don't see anything wrong with it. I mean Dallas, Denver or O'Hare have even more runways, but they really use them.
But I'm talking about the really small airports with low traffic...
For me there is no point in building two parallel runways with one or two planes coming in every hour  Smile

 Smile/happy/getting dizzyPA




Pan Am - The World's Most Experienced Airline.
User currently offlineSabenaboy From Belgium, joined Feb 2001, 187 posts, RR: 2
Reply 4, posted (11 years 1 month 3 weeks 1 day 16 hours ago) and read 3693 times:

Whenever traffic at an airport is busy enough to justify the construction of a parallel runway, then it also makes sense to build this "taxiway" wide and strong enough so that it can be used as a backup rwy in case the main runway has to be closed for some reason.
Hurghada rwy 34R is not normally used for takeoff and landing, but only for taxi. On the airport chart it is known as twy N. And a note on the chart says that it will be in use as rwy 34R when the main rwy is closed.
BTW: HRG can be very busy during the tourist season. If there are strong winds there, they always come from the north sector. No need for a crossing rwy in HRG for wind reasons!
The rwy is 3700 m long (Very useful in hot desert weather at maximum TOW!)And Hurghada is an emergency diversion airport for the space shuttle!
Not really what I would call a "small" airport.
Sabenaboy.


User currently offlinePanAmerican From Germany, joined Oct 2003, 384 posts, RR: 5
Reply 5, posted (11 years 1 month 3 weeks 1 day 16 hours ago) and read 3652 times:

Ok, that explains a lot. Thanx for that, Sabenaboy.
I just assumed it had low traffic numbers as I didn't know where to look up numbers for it.

 Smile/happy/getting dizzyPA



Pan Am - The World's Most Experienced Airline.
User currently offlineConcordeBoy From , joined Dec 1969, posts, RR:
Reply 6, posted (11 years 1 month 3 weeks 1 day 12 hours ago) and read 3491 times:

I Believe Las Vegas has 4 runways

Las Vegas is also the world's 12th busiest airport.... what's your point?


User currently offlineTom in NO From United States of America, joined Nov 1999, 7194 posts, RR: 32
Reply 7, posted (11 years 1 month 3 weeks 1 day 12 hours ago) and read 3421 times:

Obviously traffic and demand is a major issue.

Another primary issue would be weather, and specifically, wind. When an airport is built and funded, at least in the US, wind studies are made to determine which direction an airports' runways would need to be built (orientation). As I recall, a 95% 'wind coverage' (winds above a certain speed) is needed for an airport runway system.

Tom at MSY



"The criminal ineptitude makes you furious"-Bruce Springsteen, after seeing firsthand the damage from Hurricane Katrina
User currently offlinePlanesarecool From United Kingdom, joined Nov 2001, 4124 posts, RR: 11
Reply 8, posted (11 years 1 month 3 weeks 1 day 11 hours ago) and read 3349 times:

I believe Las Palmas has 2 parallel runways. However they do get quite a bit of traffic from Binter Canarias and Islas Airways, plus all the charters from Britain and Germany on selected days (British day is monday), so in a way it does need the second runway but not all the time.

-Stephen


User currently offlineRedngold From United States of America, joined Mar 2000, 6907 posts, RR: 44
Reply 9, posted (11 years 1 month 3 weeks 1 day 9 hours ago) and read 3265 times:

Of course, having two runways that are NOT parallel is good if you have shifting winds. Here at KCLE we have our parallels on 6/24 heading, and the crosswind is 10/28 (used rarely; mostly in the winter during lake effect snow, during the occasional severe thunderstorm front coming off the lake in the summer, or when one of the parallels is closed for maintenance.)

We used to have a 18/26 runway but that was closed some time ago and has now been converted to deicing pads.


redngold



Up, up and away!
User currently offlineFlyingbronco05 From United States of America, joined May 2002, 3840 posts, RR: 2
Reply 10, posted (11 years 1 month 3 weeks 1 day 8 hours ago) and read 3219 times:

At SNA, they have two runways to separate smaller, slower traffic from bigger, faster traffic.


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FB05



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