Page 5 of 5 FirstFirst ... 345
Results 41 to 48 of 48

Thread: Breaking news - Qantas A380 in trouble near Singapore

  1. #41
    Join Date
    Jan 1970
    Location
    N.E. 'burbs Melbourne
    Posts
    152
    Total Downloaded
    0

    Angry Qantas A380 was heavily damaged.

    From AVWEB: These airline pilots sure earn their keep. The crew had their hands full in getting the A380 back to Singapore.

    Shrapnel from the engine disabled one of two main hydraulic systems, hampered the fuel transfer system, punched a hole in the forward wing spar and caused a major fuel leak.

    The cascading nature of such failures meant the pilots couldn't dump enough fuel to bring the aircraft down to its maximum landing weight and the fuel left in the airplane was unbalanced. Flaps, slats and spoilers couldn't be fully deployed and the gear had to be dropped manually.

    Once it was on the ground, the anti-lock brakes didn't work and, since the damaged engine was an inboard one, there was only one left for reverse thrust (the outboard engines of A380s don't have reversers because they often overhang the grass and might be FOD damaged). The heavy, significantly disabled aircraft needed virtually all of the 13,123 feet of available runway.

    The whole wing will have to be replaced and the aircraft is expected to be out of commission for months.

    Meanwhile, the cause of the engine problem has been determined. Newer versions of the Trent 900 engine installed in aircraft built after the Qantas jet in question had redesigned bearing boxes to prevent the oil leaks that resulted in the engine explosion.

  2. #42
    Join Date
    Apr 2011
    Location
    Melbourne
    Posts
    34
    Total Downloaded
    0

    This is why Qantas repaired the plane that had a mid air explosion a few years ago. This plane was a (repairable) write off but they fixed it to maintain their reputation of never losing a plane.
    This is a myth that is regurgitated every now and then. Of course the story is normally applied to OJH, which was the 747 that suffered a landing overrun in Bangkok. That aircraft was repaired for substantially less than the the cost of replacement, either by a new aircraft or a second hand one. The aircraft is still in service.

    OJK was the one involved in the mid-air explosion. The repair was around $10 million...so whilst a bit more than the cost of fixing a Landy, it was not great in the aviation scheme of things. It was returned to service, but was retired to the desert about a year later, a victim of the GFC.

  3. #43
    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
    Join Date
    Jan 1970
    Location
    Central West NSW
    Posts
    29,509
    Total Downloaded
    0
    And a myth it is anyway. While Qantas may not have ever lost a jet, they certainly have lost planes before the jet era, although they managed to avoid any passenger fatalities from inception to 1942, and you would have to say that their aircraft losses over the years have been quite low compared to may of their competitors. To some extent this is a function of the generally benign weather and fairly long legs in Australia and their operation outside Australia only on long haul routes (most aircraft losses are in takeoff and landing - having long haul routes gives you a leg up on statistics!).

    John
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  4. #44
    Join Date
    Apr 2011
    Location
    Melbourne
    Posts
    34
    Total Downloaded
    0
    Quote Originally Posted by JDNSW View Post
    To some extent this is a function of the generally benign weather .....
    I don't agree with you there. Weather in Oz is anything but benign. It is the only place that I've encountered severe windshear, and the thunderstorms in this part of the world are nasty. What you don't see in Oz is lots of ice and snow, but the long haul ops encounter that as well.

  5. #45
    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
    Join Date
    Jan 1970
    Location
    Central West NSW
    Posts
    29,509
    Total Downloaded
    0
    Quote Originally Posted by jb747 View Post
    I don't agree with you there. Weather in Oz is anything but benign. It is the only place that I've encountered severe windshear, and the thunderstorms in this part of the world are nasty. What you don't see in Oz is lots of ice and snow, but the long haul ops encounter that as well.
    Compared to many other places the weather is benign, and not just the lack of ice and snow. Even though thunderstorms are nasty here, which I totally agree with, and you get severe wind shear, thunderstorms are nowhere near as bad on average as they can be, for example in the mid-continent of North America - sure, we get tornadoes here, but far less frequently than here. And a large proportion of RPT weather related incidents, I would think, are associated with ice and snow. And not many places in Australia can be described as hot and high.

    Certainly long haul ops encounter snow and ice, but as I pointed out, the advantage for them is the relatively infrequent landings and takeoffs compared to short haul operations. And just about anywhere is shorthaul compared to either typical domestic routes in Australia or flights from Australia to anywhere.

    John
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  6. #46
    VladTepes's Avatar
    VladTepes is offline Major Part of the Heart and Soul of AULRO Subscriber
    Join Date
    Feb 2004
    Location
    Bracken Ridge, Qld
    Posts
    16,055
    Total Downloaded
    0
    Quote Originally Posted by JDNSW View Post
    just about anywhere is shorthaul compared to either typical domestic routes in Australia or flights from Australia to anywhere.
    John
    I certainly agree with your statistical point re number of landings/take offs but I'm not so sure that the long haul argument applies to the Australian domestic runs any more than other places..

    They do some long haul fights in the USA (NYC to LAX for example), in China and in the fomer USSR.

    In the latter two exampes though there are probably other reasons for the number of "incidents".
    It's not broken. It's "Carbon Neutral".


    gone


    1993 Defender 110 ute "Doris"
    1994 Range Rover Vogue LSE "The Luxo-Barge"
    1994 Defender 130 HCPU "Rolly"
    1996 Discovery 1

    current

    1995 Defender 130 HCPU and Suzuki GSX1400


  7. #47
    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
    Join Date
    Jan 1970
    Location
    Central West NSW
    Posts
    29,509
    Total Downloaded
    0
    Quote Originally Posted by VladTepes View Post
    I certainly agree with your statistical point re number of landings/take offs but I'm not so sure that the long haul argument applies to the Australian domestic runs any more than other places..

    They do some long haul fights in the USA (NYC to LAX for example), in China and in the fomer USSR.

    In the latter two exampes though there are probably other reasons for the number of "incidents".
    While there are plenty of long haul routes elsewhere in the world, there are almost no real shorthaul routes (served by first rank airlines) in Australia. There is nothing comparable, even in proportion, to routes such as London - Paris, Houston-Dallas/Fort Worth, Boston-New York, for example. All the heavy traffic routes in Australia are at least about 50% further. (I suspect that Melbourne-Sydney-Brisbane still represents about 75% of all Australian traffic!)

    My point is that the long haul flights in the US, for example, represent a lot smaller proportion of the traffic. And I agree with your comments about China and the former USSR - I used to work for a major company that had a well resourced aviation safety department - and boy, did they have problems when we were exploring opportunities in those countries!

    John
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  8. #48
    Join Date
    Jan 1970
    Location
    Garfield, Victoria
    Posts
    516
    Total Downloaded
    0
    Quote Originally Posted by wozzlegummich View Post
    Meanwhile, the cause of the engine problem has been determined. Newer versions of the Trent 900 engine installed in aircraft built after the Qantas jet in question had redesigned bearing boxes to prevent the oil leaks that resulted in the engine explosion.
    Subsequent investigation has shown that it was not actually this problem which caused the explosion. It was cracking in a poorly manufactured oil feed pipe which caused the leak in the case of QF32.

    Investigation: AO-2010-089 - Inflight engine failure - Qantas, Airbus A380, VH-OQA, overhead Batam Island, Indonesia, 4 November 2010

    An interesting read.

    Cheers,

    Lionel

Page 5 of 5 FirstFirst ... 345

Bookmarks

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Search AULRO.com ONLY!
Search All the Web!