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SYD To Close Runway  
User currently offlineStealthZ From Australia, joined Feb 2005, 5896 posts, RR: 38
Posted (8 years 6 months 1 day 18 hours ago) and read 3261 times:
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.. but only for a while
The 07/25 rwy at SYD will close in April 2008 to enable the construction of enhanced runoff areas at the Western end.
This will increase the usage of the 16/34 runways and may lead to some delays or diversions in extreme wind situations.

More detail at-


If your camera sends text messages, that could explain why your photos are rubbish!
4 replies: All unread, jump to last
User currently offlineB6JFKH81 From United States of America, joined Mar 2006, 2950 posts, RR: 7
Reply 1, posted (8 years 6 months 1 day 9 hours ago) and read 2950 times:

Based on the article, the extra safety zone will assist in the deceleration of the aircraft. Does this mean that it is actually an arrest bed made of collapse-able concrete?

Not being familiar with this airport, is this the favored runway for aircraft movement? I noticed that they have 2 N/S runways and they are putting a disclaimer stating that there will be an increase of aircraft movements and noise for those living in the flight path of the N/S runways...but considering they have 2 N/S runways I am guessing the prevailing wind comes in off the water. Any input would be appreciated (I love learning about airports I haven't been to).


"If you do not learn from history, you are doomed to repeat it"
User currently offlineCurmudgeon From Australia, joined Oct 2006, 695 posts, RR: 22
Reply 2, posted (8 years 6 months 1 day 4 hours ago) and read 2716 times:

RWY 07/25 is not the preferred runway, and is only occasionally used. Unless they get (rare) strong winds from the southwest it shouldn't be a problem, and may have no affect whatsoever.

Collapsible concrete? What would be the point of that? It would still result in an accident, probably fiery.

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User currently offlineStealthZ From Australia, joined Feb 2005, 5896 posts, RR: 38
Reply 3, posted (8 years 6 months 1 day 3 hours ago) and read 2643 times:
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RWY 07/25 is, as Curmudgeon mentioned not the preferred runway but used regularly for "Noise sharing". It is used less often because strong winds require it.

Not sure if the proposed extension, or the 5 completed so far, include collapsible concrete( I know the experts will chime in soon with the technical term) I have not seen the plan in that much detail. It may just be an extended braking area.

Curmudgeon, Collapsible concrete is like a high tech gravel or sand trap. A soft base, sometimes blocks or sheets of a styrofoam like material covered by a thin layer of concrete. The concrete protects the "arrestor bed" and allows normal actvities, even driving etc but when an aircraft overruns, the weight penetrates the concrete and the foam acts like a sandtrap bringing the aircraft to gentler halt.*


*gentler halt is relative in this case being less painful than ending up in the Cooks River

If your camera sends text messages, that could explain why your photos are rubbish!
User currently offlineJupiter2 From Australia, joined Jan 2001, 1019 posts, RR: 1
Reply 4, posted (8 years 6 months 1 day 3 hours ago) and read 2557 times:

My understanding of this, is that it will basically be a pier like structure, long enough to meet current regulations for runway overrun areas. At present, unless you just get off the end of RWY 25, anything at a moderate speed would end up in the Cooks River.

As the article mentions there is also, a main sewerage pipe and a road tunnel (on the river bed) at the end of the runway. The construction will be a major undertaking and personally I reckon that they should do it all the way across the river with an associated taxiway, of course that would actually be a runway extension and require an E.I.S. !!

For normal day to day operations this will not be a big deal. The normal noise sharing practices will not be in operation the days the runway is not available, which will increase noise mainly to the north of the airport, the only real problem will be when there are strong westerlies, which is normally around September and October.


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