airblue
Posts: 1785
Joined: Sat May 19, 2001 9:16 pm

Question About FRA Runways

Mon Sep 23, 2002 5:29 pm

I would like to know which is the distance between the two parallel runways in Frankfurt Main airport (FRA) and how many movements per hours it could handle??

The third runway could be used only for take off??

There are some real plans for a fourth runway and a new terminal for Lufthansa??

Thanks for the help.
 
TriStar500
Posts: 4411
Joined: Thu Nov 04, 1999 9:50 pm

RE: Question About FRA Runways

Mon Sep 23, 2002 5:35 pm

Distance between RWY25R and L: something like 550m, but not absolutely sure.

RWY18 is used for take-offs only.

New terminal: T3 will be built on the site of the current US Air Base and opened in 2006 or so. LH has not yet stated their intention to use the terminal. From what we've heard, they are going to stay in the northern part of the airport. But things can still change until 2006...

New RWY: will be built north-west of the LH Base in the Frankfurter Stadtwald. Scheduled to open 2006/7.

I think that is all I can tell you without publishing company secrets. I don't know if the terminal layout and number of aircraft positions at T3 was made public yet.



Homer: Facts are meaningless. You could use facts to prove anything that's even remotely true!
 
backfire
Posts: 3467
Joined: Fri Oct 06, 2006 8:01 am

RE: Question About FRA Runways

Mon Sep 23, 2002 7:37 pm

Runway separation at FRA is, I understand, approximately 518m. This is far short of the minimum 760m separation required for independent simultaneous approaches in IMC.

In order to increase capacity FRA introduced a concept known as the High Approach Landing System/Dual Threshold Operation on one of its parallels which enables aircraft to make a higher-than-normal approach to the runway -- this second threshold is displaced 1500m down 25L and is designated 26L to distinguish it.

Under certain circumstances this allows controllers to reduce the minimum separation between aircraft on approach to 3nm rather than 5nm because the aircraft using the 26L threshold is vertically separated from the parallel approach stream by about 250ft.
 
User avatar
apuneger
Posts: 2964
Joined: Fri Sep 08, 2000 2:43 pm

RE: Question About FRA Runways

Mon Sep 23, 2002 7:39 pm

Backfire:

Very interesting. I wasn't aware of this.

Ivan
Ivan Coninx - Brussels Aviation Photography
 
airblue
Posts: 1785
Joined: Sat May 19, 2001 9:16 pm

RE: Question About FRA Runways

Mon Sep 23, 2002 9:44 pm

Thanks for your answers, but could you also tell me the number of take off and landing per hour today allow in FRA??

 
TriStar500
Posts: 4411
Joined: Thu Nov 04, 1999 9:50 pm

RE: Question About FRA Runways

Mon Sep 23, 2002 9:54 pm

Recently increased to 80 per hour (from 1400h to 2200h). 78 during all other hours.

Homer: Facts are meaningless. You could use facts to prove anything that's even remotely true!
 
timz
Posts: 6160
Joined: Fri Sep 17, 1999 7:43 am

Looks Like Backfire Is Right

Tue Sep 24, 2002 1:33 am

Based on the runway-end lat-lons at http://www.worldaerodata.com the spacing is 517.8 meters toward the west end and 518.1 toward the east.
 
Sabena332
Posts: 14938
Joined: Wed May 09, 2001 3:57 am

RE: Question About FRA Runways

Tue Sep 24, 2002 3:14 am

Simultaneous traffic is possible on the parallel runways. Two weeks ago I sat on the jumpseat on a flight to FRA and during our landing on the south runway I saw a LH 744 that took off on the north runway next to our plane. That was a very amazing view, I could not decide where to look, either to the 744 next to us or to the runway in front of us but I managed to look at both directions.

Patrick
NZ1's mother is a disgusting crack-whore and his father is a worthless alcoholic!
 
backfire
Posts: 3467
Joined: Fri Oct 06, 2006 8:01 am

RE: Question About FRA Runways

Tue Sep 24, 2002 3:49 am

That's not technically "simultaneous" operations Patrick. The term is used to describe the use of both parallel runways for landings at any particular moment.

If the runways are too close together then the arriving aircraft in one approach stream have to be separated adequately from other aircraft arriving in the parallel stream -- otherwise effects such as rolling wake vortices can be hazardous.

This means that you cannot operate the runways independently. In other words the traffic situation on one runway dictates (and in turn depends on) the traffic situation on the other.

In order to carry out simultaneous independent operations on closely-spaced parallels you have to employ either specialised airspace techniques (such as the HALS/DTOP concept at FRA, or offset-approach procedures) or use rapid-update surveillance systems like the Precision Runway Monitor which give approach controllers the second-by-second accuracy needed to ensure aircraft can be kept apart.
 
Sabena332
Posts: 14938
Joined: Wed May 09, 2001 3:57 am

RE: Question About FRA Runways

Tue Sep 24, 2002 3:55 am

Now I understand. Thanks for your detailed explanation, Backfire!

Patrick
NZ1's mother is a disgusting crack-whore and his father is a worthless alcoholic!
 
godbless
Posts: 2680
Joined: Tue Apr 04, 2000 5:26 am

RE: Question About FRA Runways

Tue Sep 24, 2002 8:04 am

Backfire,

Very well said. Was about to write the same before I read your posting.

Do they actually use 26L? The only time I heard of it was when the idea of it came up but nothing after it. Also no statements about if it works as it should.
Did the "new" runway ever start being operated on as I have not yet been at FRA (and I am there quite often) seeing a plane land on 26L.

Max

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