Low Vis Ops DXB
Join Date: Apr 1999
Location: South of North
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Pool and Wiz--agree with you totally. It would make our lives better without a doubt. But to be truthful we only really need it if we commit! If all crews simply left at min diversion for their alternate there would be no fuel issue (just the issue of sitting somewhere else 
).
The issue for us arises when we commit and then cannot afford to have the 'unknown' factor of how long our app. will be.
After enough diversion I would guess there might be changes in ATC procedures. Then again, I don't think AUH and DXB are likely on the best of terms so we will likely be dealing with this for a long time!
).The issue for us arises when we commit and then cannot afford to have the 'unknown' factor of how long our app. will be.
After enough diversion I would guess there might be changes in ATC procedures. Then again, I don't think AUH and DXB are likely on the best of terms so we will likely be dealing with this for a long time!
Join Date: Sep 2006
Location: Near water
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EATs mean sweet f.ck all at DESDI and BUBIN. I posted about this a while back.
http://www.pprune.org/middle-east/37...explained.html
There is a Sheikh Ahmed on the board of GCAA who I am led to believe has a position at EK.
http://www.pprune.org/middle-east/37...explained.html
There is a Sheikh Ahmed on the board of GCAA who I am led to believe has a position at EK.
Join Date: Sep 2001
Location: Sandpit
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Blueskye
.
We all know that.
He also runs the airport and the DCA.
And the company who's 'planes all turn up at the same time (and, of course, with almost identical callsigns) , thus causing said problem.
Of course if we banished all those pesky foreign airlines off to the most incovenient times, things would go a lot smoother for everyone ( at least, those who count).
Watch this space.
There is a Sheikh Ahmed on the board of GCAA who I am led to believe has a position at EK.
We all know that.
He also runs the airport and the DCA.
And the company who's 'planes all turn up at the same time (and, of course, with almost identical callsigns) , thus causing said problem.
Of course if we banished all those pesky foreign airlines off to the most incovenient times, things would go a lot smoother for everyone ( at least, those who count).
Watch this space.
Join Date: Aug 2000
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Guy, what is it with the departures on 12R, holding on the taxiway miles from the CAT1 holding point? Surely a CAT1 holding point allows us closer to the runway than that?
Departures seem incredibly slow, especially during daylight, good vis. reduced separation trial?
Also does a departure from K4 help, if so it may be good to advise us as we are still sitting on the stand waiting our turn for push, plenty of time then rather than when we start to taxi.
Cheers
Departures seem incredibly slow, especially during daylight, good vis. reduced separation trial?
Also does a departure from K4 help, if so it may be good to advise us as we are still sitting on the stand waiting our turn for push, plenty of time then rather than when we start to taxi.
Cheers
Join Date: Sep 2001
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BB
Sorry, not a tower flower, so can't answer 1 & 3 -will try to elicit a response from someone more knowledgeable. Does seem a bit unusual to use the cat II/III holds when it's not necessary, though. (By the way, that's also a large part of the reason for the huge spacing in LVPs - it's a long way from the hold to line up, especially from the northern side of 12L/30R)
As for the departures, the main problems are :-
1. departure splits CANNOT be used as the initial turns are not IMMEDIATELY after takeoff. (under review)
2. successive departures MUST be separated on handover to radar - otherwise the radar controller has a sep loss as soon as he receives the traffic.
3. UAE radar currently requires a minimum of 10nm in trail for successive departures through RANBI / DARAX (INCLUDING OMSJ/OMDM/OMRK/OMJA traffic!) so not much point launching them 3 miles apart - although some of our colleagues upstairs have trouble understanding this! This is now significantly more important if the new para zone at Mina Seyahi is active, as the options for the departures guy to gain spacing are severely restricted.
Keep 'em coming.
Guy.
Sorry, not a tower flower, so can't answer 1 & 3 -will try to elicit a response from someone more knowledgeable. Does seem a bit unusual to use the cat II/III holds when it's not necessary, though. (By the way, that's also a large part of the reason for the huge spacing in LVPs - it's a long way from the hold to line up, especially from the northern side of 12L/30R)
As for the departures, the main problems are :-
1. departure splits CANNOT be used as the initial turns are not IMMEDIATELY after takeoff. (under review)
2. successive departures MUST be separated on handover to radar - otherwise the radar controller has a sep loss as soon as he receives the traffic.
3. UAE radar currently requires a minimum of 10nm in trail for successive departures through RANBI / DARAX (INCLUDING OMSJ/OMDM/OMRK/OMJA traffic!) so not much point launching them 3 miles apart - although some of our colleagues upstairs have trouble understanding this! This is now significantly more important if the new para zone at Mina Seyahi is active, as the options for the departures guy to gain spacing are severely restricted.
Keep 'em coming.
Guy.
Join Date: Jun 2002
Location: UAE
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Basically it`s all to do with the Glidepath sensitive areas on all runways when we go down to single rwy ops. 12R is the worst as you can`t hold at M4, K1 or K2 and you can`t taxi on L3 or L4 with inbounds so we immediately try to change it to 30L even with a small tailwind component. K4 definitely helps for departures in the case of 12R ops.
30R we can`t use M19 and K16, jetblast from here effects the Royal Hangar.(Close the door Hello!!)
30L can`t use N9 and N10 traffic from the north side has to be lined up before an inbound gets to 7 miles so we need 10 mile gaps. There`s more but I won`t bore you, suffice it to say that when it single rwy ops we have to push things to the limits that we are permitted to use.
Oh, if you ever meet a Dubai Atco who tells you that he enjoys the challenges of either 12L or LVo`s immediately punch him in the mouth as he is lying!! This also applies if you meet a Radar bad who tells you he actually knows the required spacings!!
30R we can`t use M19 and K16, jetblast from here effects the Royal Hangar.(Close the door Hello!!)
30L can`t use N9 and N10 traffic from the north side has to be lined up before an inbound gets to 7 miles so we need 10 mile gaps. There`s more but I won`t bore you, suffice it to say that when it single rwy ops we have to push things to the limits that we are permitted to use.
Oh, if you ever meet a Dubai Atco who tells you that he enjoys the challenges of either 12L or LVo`s immediately punch him in the mouth as he is lying!! This also applies if you meet a Radar bad who tells you he actually knows the required spacings!!
Join Date: May 2008
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Gents, don't hit each other. We all know about the crap rules set up by the ignorants in their pyjamas.
Work according to the silly stuff and let the diversions flow! I don't really know why you would take that extra stress and risk to stuff in one more per hour, it makes no difference and they take it for granted and pack some more into the air.
The system has to get into a grid-lock, and it has to happen regularly. Only then their greed will take over their stupidity and questions will be asked. Then we can hope for some change. It serves safety as well, and that's my agenda.
It's just like the other thread ("Don't help EK"). As long as we go the extra mile with their crap, we play their game but only WE bear the risks. Quite unfair.
Follow the rules and see what happens.
Work according to the silly stuff and let the diversions flow! I don't really know why you would take that extra stress and risk to stuff in one more per hour, it makes no difference and they take it for granted and pack some more into the air.
The system has to get into a grid-lock, and it has to happen regularly. Only then their greed will take over their stupidity and questions will be asked. Then we can hope for some change. It serves safety as well, and that's my agenda.
It's just like the other thread ("Don't help EK"). As long as we go the extra mile with their crap, we play their game but only WE bear the risks. Quite unfair.
Follow the rules and see what happens.
