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Asiana flight crash at San Francisco

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Asiana flight crash at San Francisco

Old 6th Jul 2013, 20:55
  #41 (permalink)  
 
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I think it's actually the third hull loss? Depending on your definition of course. The Egypt Air fire wrote the aircraft off I think.
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Old 6th Jul 2013, 20:55
  #42 (permalink)  
 
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Watching live images from the heli.
aircraft is situated on the leftside of 28L.
Righthand engine close to the fuselage. Lefthand ripped off wings but do not see it. Part of the tailsection at the very first beginning on the runway.
At the first meters of the concrete, just a few meters from the water, lots of small parts of the aircraft. It looks like the aircraft landed very short. Lost the tail, went the the left (trails of the wheels leading to the left).
Must have been a bizar landing.
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Old 6th Jul 2013, 20:56
  #43 (permalink)  

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Angry Windshear?

Perhaps a misjudged approach ending up in an undershoot? Twin engine failure due to multiple bird strike on short final? Nobody can yet know.

Anyway, no need for silly posts offering prayers and the like. Just wait for the accident report folks.
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Old 6th Jul 2013, 20:56
  #44 (permalink)  
 
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Similarities to BA38 exist if this was a very cold day at altitude.
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Old 6th Jul 2013, 20:57
  #45 (permalink)  
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Sky News saying all crew & pax accounted for, some getting treatment for burns.

The heli images make it clear that the plane hit the end of the breakwater, leaving some bits in the water. Then a long scrape all the way on to 28L, losing bits as it went.

Last edited by bnt; 6th Jul 2013 at 20:59.
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Old 6th Jul 2013, 21:00
  #46 (permalink)  
 
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Hmmmm....

CNN , SKY, FOX, seem to be asking the parking lot cleaner , drainpipe technician and airport terminal window cleaner if they saw anything and throwing them on the screen...


I wonder if it had a double engine failure just prior to touchdown similar to heathrow (different engines though), although i havent seen any landing gear strewn on the field yet so wonder if it was down prior to landing..

Hopefully all ok onboard and asiana having to provide 300+ free flights for life
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Old 6th Jul 2013, 21:01
  #47 (permalink)  
 
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This appears so similar to the BA accident at Heathrow - end of a long haul flight, stretching the glide, low speed (the fuselage stopped very quickly) and what appears to be a power off stall resulting in a tail strike on the threshold.
Amazing good news that all survived.
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Old 6th Jul 2013, 21:01
  #48 (permalink)  
 
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There are parts of the gear close to the numbers...
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Old 6th Jul 2013, 21:02
  #49 (permalink)  
 
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Whatever has happened it's a miracle as it seems all are off alive. Somehow it just made it on to the runway. Striking similarity with the BA triple at Heathrow.
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Old 6th Jul 2013, 21:02
  #50 (permalink)  
 
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Asiana flight crash at San Fransisco

Make you realise how luck BA pax and crew were when you see what's left of this one. Agreed tho about the position of the fire being strange, and where is that left hand engine, that's a big old lump for it not to be seen
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Old 6th Jul 2013, 21:03
  #51 (permalink)  
 
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Al Murdoch, you're quite correct - my apologies; it was the second accident, but the third hull loss - the MS 772 was indeed written off. Still, an excellent record for the type.

Looking at the photos, notice the fuselage buckling a few feet forward of the rear doors, which suggests a very hard impact.
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Old 6th Jul 2013, 21:03
  #52 (permalink)  
 
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In the picture of the deplaning passengers, note the fracture in the fuselage above the wing. Must have been a fairly high vertical speed impact with some pitchdown.

The debris at the seawall is somewhat right of the extended centerline, based on the landing lights pier in the helicopter video presently playing. Maybe 50 feet right. A surprising amount of debris is right at the seawall, including a large chunk of something in the water. The tail fins (horiz and vertical stab) are all separated, and there is literally no visible structure OTHER than the fin. The nose gear is sitting right before the numbers but has scarring on the pavement leading up to it, so it must have slid some distance.

There is a clear, black wavy skid line on the runway that heads off to the left, before entering the dirt. Strangely, it appears to point to the nose area. At least one tire was clearly dragged, but based on the skid mark it wasn't rotating at all.

No sign of one of the engines. Is it possible that is what is visible in the water about 20 feet offshore from the seawall?

My conclusion: it must have been a fairly high AOA at impact to destroy the tail section so thoroughly; perhaps they got rather slow on short final and hauled on the yoke to at least make the tarmac at all. Either way, the tail was completely ripped off and self-destructed immediately. The nose then came down hard and the airplane slid to a stop.
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Old 6th Jul 2013, 21:05
  #53 (permalink)  
 
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ATC

Here is the ATC courtesy of LiveATC.net

http://wandr.me/Audio/AAR214-KSFO-Crash.mp3
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Old 6th Jul 2013, 21:06
  #54 (permalink)  
 
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Initial impact significantly right of runway centreline suggest something more thn just landing short.
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Old 6th Jul 2013, 21:07
  #55 (permalink)  
 
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At NBC TV a NTSB investigator says the plane was slightly right of centerline when it hit the stone seawall at the point where the runway starts. Undershoot. Possible lose of engine power like the BA 777 crashlanding at LHR.
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Old 6th Jul 2013, 21:07
  #56 (permalink)  
 
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Asiana 777

Slats deployed - flaps dont Look fully deployed slides 1L&2R deployed Door3 Closed D4 Missing - Circumferential stress fracture fwd of aft pressure bulkhead - pressure bulkhead severely damaged - no evidence of spoilers deployed
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Old 6th Jul 2013, 21:07
  #57 (permalink)  
 
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Cockpit view landing at SF
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Old 6th Jul 2013, 21:09
  #58 (permalink)  
 
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HL-7742 ? 06-Jul-2013 ? RKSI / ICN - KSFO ? FlightAware

The aircraft began at FL340 (roughly four hours), then climbed to FL370 (for about 150 minutes) and finished at FL390 (for about 2 hours). Anyone know how to get the temperatures the aircraft experienced during its flight to see if they were significantly below standard temperature ?

Last edited by Montrealguy; 6th Jul 2013 at 21:13.
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Old 6th Jul 2013, 21:11
  #59 (permalink)  
 
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They are starting construction at ksfo as well, believe the ils and lda are ots for the next several months. They were supposed to start in late June.
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Old 6th Jul 2013, 21:12
  #60 (permalink)  
 
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Picture showing the aircraft hit the stone seawall at landing
https://twitter.com/TelstarLogistic/...092480/photo/1

and here landing gear
https://twitter.com/TelstarLogistic/...092480/photo/1

Last edited by 1stspotter; 6th Jul 2013 at 21:13.
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