A380 landing roll
No Charlie, what I am saying is that BNE runways are designed to get small aeroplanes off the runway and into the domestic terminal as quickly as possible. Fair cop, as the majority of movements there would be supported by this.
Because of this runway exit design, it does cause a significant performance penalty for Very large aircraft that need to use the international terminal. The high speed exits are unusable as they are too close to the runway start. The next 90 degree exit is also too close as it causes excessive brake temps (it would be the perfect position for high speed exit though). These high brake temps not only delay the next outbound sector by 90min, but also increase the risk of brake fire/tyre deflation. I promise you the crews don't ask for the full length just to peeve you off, they are doing it because the runway design gives them little choice. Last time I was there we were still over 100kts when passing the high speed exit.
If you are concerned about aircraft waiting with engines running can I suggest you leave three of the 5 you have waiting at the hold now, at the gate for another 3 min? Problem solved. Seems reasonable.
The Don
Because of this runway exit design, it does cause a significant performance penalty for Very large aircraft that need to use the international terminal. The high speed exits are unusable as they are too close to the runway start. The next 90 degree exit is also too close as it causes excessive brake temps (it would be the perfect position for high speed exit though). These high brake temps not only delay the next outbound sector by 90min, but also increase the risk of brake fire/tyre deflation. I promise you the crews don't ask for the full length just to peeve you off, they are doing it because the runway design gives them little choice. Last time I was there we were still over 100kts when passing the high speed exit.
If you are concerned about aircraft waiting with engines running can I suggest you leave three of the 5 you have waiting at the hold now, at the gate for another 3 min? Problem solved. Seems reasonable.
The Don
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I tend to agree, if a pilot states he NEEDS the entire lenght, we'll have to make it work. That's what we're here for.
One workaround could be an agreement with approach that they make slightly more seperation behind A380'ies when you have traffic ready for departure?
That way you can get one aircraft going without an extra 3 min. delay at the holding point, with maybe only an additional 1 min. to the next inbound aircraft?
One workaround could be an agreement with approach that they make slightly more seperation behind A380'ies when you have traffic ready for departure?
That way you can get one aircraft going without an extra 3 min. delay at the holding point, with maybe only an additional 1 min. to the next inbound aircraft?
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One workaround could be an agreement with approach that they make slightly more seperation behind A380'ies when you have traffic ready for departure?
Bottums Up
In various threads on these fora we read from time to time how ATCers hands are tied by MATS regulations. Oft times ATCers themselves disagree and believe there is a better way to handle a particular situation.
Similarly pilots are governed by their own SOPs and regulatory environment.
I can just imagine the tea & bikkies back at the head-shed, when Capt Bloggs explains that his/her turn around was delayed because of hot brakes because s/he tried to help ATC get another aeroplane away, by disregarding SOP and to hell with the consequences.
The real culprits of course in this whole scenario are the idiots who designed the BNE Airport runway/taxiway and didn't consider the A380.
Similarly pilots are governed by their own SOPs and regulatory environment.
I can just imagine the tea & bikkies back at the head-shed, when Capt Bloggs explains that his/her turn around was delayed because of hot brakes because s/he tried to help ATC get another aeroplane away, by disregarding SOP and to hell with the consequences.
The real culprits of course in this whole scenario are the idiots who designed the BNE Airport runway/taxiway and didn't consider the A380.
Thread Starter
Sure you could flow a 10mile gap behind, but that's an extra minute for all arrivals. The whole system is under pressure to perform, just look at the other BNE threads on these forums about inbound delays. You would be surprised how much these small increases in runway occupancy have massive effects. Surely brake cooling equipment would be an option if the turnarounds need to be so tight.
You're right, I guess in the 80's they were designing the taxiways for B747 which don't usually have a problem with the high speeds. They cut big corners to save money, look how long it took to sort out the missing link. A high speed at A7 would be ideal but we all know that will never happen.
And yes flex / de rated takeoffs are a problem for us, but not nearly to the same extent. It will be sad when the 767 disappears. Nothing gets on and goes like them.
You're right, I guess in the 80's they were designing the taxiways for B747 which don't usually have a problem with the high speeds. They cut big corners to save money, look how long it took to sort out the missing link. A high speed at A7 would be ideal but we all know that will never happen.
And yes flex / de rated takeoffs are a problem for us, but not nearly to the same extent. It will be sad when the 767 disappears. Nothing gets on and goes like them.
Last edited by 1Charlie; 4th Apr 2014 at 23:20.
Don
Leaving a departure at the gate for an extra 3 mins means you have to leave the departure after them at the gate too, and the one after them, and the next, and the next etc etc.
Leaving a departure at the gate for an extra 3 mins means you have to leave the departure after them at the gate too, and the one after them, and the next, and the next etc etc.
