The one and only topic on which runway in use @EBBR

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jan_olieslagers
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Re: The one and only topic on which runway in use @EBBR

Post by jan_olieslagers » 23 Apr 2019, 13:22

Adding "physical" ILS is very expensive, also on the periodical maintenance and calibration. Sure enough a GPS-based instrument approach and landng system is the way to go these days (LVPN or what do they call it? I never get around all those codes and acronyms...) and it might indeed be less expensive than adding concrete - especially as the concrete has to be aviation-certified, too, I sreckon :)

DIBO
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Re: The one and only topic on which runway in use @EBBR

Post by DIBO » 23 Apr 2019, 13:27

RNAV is the way to go. And you know what, an RNAV procedure used to exist (I should have quoted EBBU's post in full. Here it is again, now without any omissions :-))
EBBU wrote:
23 Mar 2017, 07:53
The arrival procedure for 07L is an offset VOR/DME, with a last visual part. This is not available after sunset (07L has no approach lights).
There was a RNAV procedure published during the works on RWY 01/19 but it was withdrawn when the works were finished. This RNAV approach is a lot safer but arrivals approach over Brussels so it is not allowed as a normal procedure.
That is why after sunset RWY 07R is used with a straight in VOR/DME. And with a loss in capacity due to bad exit TWYs.
But the real problem is even more costly than an ILS installation....politicians :-) Quoting again EBBU
EBBU wrote:
23 Mar 2017, 09:07
EBBU wrote: ↑Today, 07:53
The arrival procedure for 07L is an offset VOR/DME, with a last visual part. This is not available after sunset (07L has no approach lights).
Is it expensive to install landing lights? And an ILS...
The cost is not the problem. Having those landing aids on that RWY would lead to an increased use of that RWY. Apparently this is politically unacceptable despite the added safety a proper landing aid would provide.

When there is an (north)easterly wind the first choice is RWY 01 for landings because that is equipped with proper landing aids. Only when the wind is (south)easterly and strong enough will 07L/R be used because the windcomponents will exceed the tolerance on RWY 01.

The biggest problem with the exit taxiways on 07R is their angle to the RWY. You basically have to turn back to exit

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sn26567
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Re: The one and only topic on which runway in use @EBBR

Post by sn26567 » 24 Apr 2019, 12:24

Changes are frequent these days: ARR 19 - DEP 25R
André
ex Sabena #26567

stefanel
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Re: The one and only topic on which runway in use @EBBR

Post by stefanel » 14 May 2019, 10:10

Makes no sense to me why landings are not on 07L this morning, look at the wind direction & strength!
yesterday they used it even with lighter winds from 030 and 040 ! I'm often puzzled at Skeyes decision regarding the runway in use.
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sn26567
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Re: The one and only topic on which runway in use @EBBR

Post by sn26567 » 14 May 2019, 22:03

stefanel wrote:
14 May 2019, 10:10
Makes no sense to me why landings are not on 07L this morning, look at the wind direction & strength!
yesterday they used it even with lighter winds from 030 and 040 ! I'm often puzzled at Skeyes decision regarding the runway in use.
Skeyes has to take into account not only the direction and the strength of the wind, but also (and this is more difficult) political decisions!
André
ex Sabena #26567

jan_olieslagers
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Re: The one and only topic on which runway in use @EBBR

Post by jan_olieslagers » 14 May 2019, 22:07

Don't I remember that winds below 10 kts are discounted in the decision process?

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KriVa
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Re: The one and only topic on which runway in use @EBBR

Post by KriVa » 15 May 2019, 09:46

Wind aloft is also taken into account for runway selection.
Even though surface wind may be fine, if multiple pilots complain about unfavourable winds higher up, runway configuration can be switched as well.
On top of that, there’s also the capacity to take into account.
Thomas

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