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Shit that happens with Airlines, thread

Toshi

butthole powerwashing evangelist
Oct 23, 2001
40,145
9,031
I think it was a 752 that I took DEN-OGG the other year. was fine
 

Jm_

sled dog's bollocks
Jan 14, 2002
20,454
10,940
AK
757 is a monster, grossly overpowered in a good way. What a 737 wishes it was.
 

mykel

closer to Periwinkle
Apr 19, 2013
5,577
4,288
sw ontario canada
Another 737 has just crashed, this time on landing in South Korea.
Initial reports suggest a problem with the landing gear with a possible bird strike being the cause.
Apparently they tried once, aborted and went around for another try.
Belly landing, hitting a barricade and exploding.
181 on board, death toll at 96 and expected to rise.


 

Jm_

sled dog's bollocks
Jan 14, 2002
20,454
10,940
AK
Another 737 has just crashed, this time on landing in South Korea.
Initial reports suggest a problem with the landing gear with a possible bird strike being the cause.
Apparently they tried once, aborted and went around for another try.
Belly landing, hitting a barricade and exploding.
181 on board, death toll at 96 and expected to rise.


This is really odd, there are battery driven hydro pumps to deploy flaps/gear, alternate flaps extension and the APU can power lowering flaps/gear. If they tried to go around and had cleaned up the aircraft and then aborted the go around I could see it, but to not re-deploy seems strange.
 

6thElement

Schrodinger's Immigrant
Jul 29, 2008
17,495
15,016
Wouldn't they dump some fuel out before attempting a belly landing (is that even possible)?
 

Pesqueeb

bicycle in airplane hangar
Feb 2, 2007
42,239
19,707
Riding past the morgue.
This is really odd, there are battery driven hydro pumps to deploy flaps/gear, alternate flaps extension and the APU can power lowering flaps/gear. If they tried to go around and had cleaned up the aircraft and then aborted the go around I could see it, but to not re-deploy seems strange.
Just read an article from Reuters that said no emergency crews were on hand nor had the the runway been foamed. Kind of a whole bunch about this story doesn't add up at first read.

Edit: https://www.reuters.com/world/asia-pacific/experts-question-bird-strike-cause-deadly-south-korean-airliner-crash-2024-12-29/

I guess a whole bunch of this is going to depend on exactly when someone realized they had an emergency.
 
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Jm_

sled dog's bollocks
Jan 14, 2002
20,454
10,940
AK
Just read an article from Reuters that said no emergency crews were on hand nor had the the runway been foamed. Kind of a while bunch about this story doesn't add up at first read.
And even if they had done a go-around and aborted there should still be some flaps.
 

Westy

the teste
Nov 22, 2002
56,325
22,370
Sleazattle
And even if they had done a go-around and aborted there should still be some flaps.
So much shit would have to break to prevent the flaps and gear to malfunction and that isn't likely with just a bird strike, and even then if normal flight controls are working you take time to talk to the ground to figure it out. Clearly some really important info isn't being shared. Either there was a snow balling issue that made the pilots want to get on the ground ASAP, like a massive fire, or there was some serious human error. Maybe they forgot to go into landing config after the go-around? Do the normally retract all that stuff for a go around?
 

Pesqueeb

bicycle in airplane hangar
Feb 2, 2007
42,239
19,707
Riding past the morgue.
Maybe they forgot to go into landing config after the go-around? Do the normally retract all that stuff for a go around?
In the General Aviation world the most common cause of a gear up landing is "I forgot". Its significantly harder to imagine that happening in a commercial aircraft. There would have been all kinds of aural and visual warnings. Go around configuration varies from type to type, but almost certainly involves some sequence of all the throttle, retract the things. Maybe not all the way for flaps/slats, but certainly not fully extended. You don't want to lose lift if you are short final.

Now that I type that, maybe that's what happened? They went to go around but someone missed the gate with the flaps and they came all the way up? If they were slow enough they would have lost lift and bellied in. Pure speculation on my part, that would be a giant error by the crew.
 
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Westy

the teste
Nov 22, 2002
56,325
22,370
Sleazattle
In the General Aviation world the most common cause of a gear up landing is "I forgot". Its significantly harder to imagine that happening in a commercial aircraft. There would have been all kinds of aural and visual warnings. Go around configuration varies from type to type, but almost certainly involves some sequence of all the throttle, retract the things. Maybe not all the way for flaps/slats, but certainly not fully extended. You don't want to lose lift if you are short final.

Now that I type that, maybe that's what happened? They went to go around but someone missed the gate with the flaps and they came all the way up? If they were slow enough they would have lost lift and bellied in. Pure speculation on my part, that would be a giant error by the crew.

Clearly there was some kind of technical issue, right engine was probably out but looked contained. The airplane was likely sending alarms at them from the start, kind of easy to ignore further warnings if things escalate, especially if the airplane was barking at them in English.


Just watched the video, not linking because, uh, people. :(

Looks like it was put down gently, so they had some control, but coming in hot is an understatement. Right engine appears to have taken the bird strike, hard to think it could have exploded to the point to damage the flaps and gear, yet remain controllable and have the thrust reversers engage, which is visible from the video.
 
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Pesqueeb

bicycle in airplane hangar
Feb 2, 2007
42,239
19,707
Riding past the morgue.
Clearly there was some kind of technical issue, right engine was probably out but looked contained. The airplane was likely sending alarms at them from the start, kind of easy to ignore further warnings if things escalate, especially if the airplane was barking at them in English.


Just watched the video, not linking because, uh, people. :(

Looks like it was put down gently, so they had some control, but coming in hot is an understatement.
I haven't seen anything regarding the operability of either engine, but one is certainly having a pretty awful fucking day if they are attempting to go around on a single engine.

And yeah, the video I saw of the landing is genuinely brutal stuff.
 

Westy

the teste
Nov 22, 2002
56,325
22,370
Sleazattle
I haven't seen anything regarding the operability of either engine, but one is certainly having a pretty awful fucking day if they are attempting to go around on a single engine.

And yeah, the video I saw of the landing is genuinely brutal stuff.
Survivor claimed an engine explosion from a bird strike, this seems to confirm. But the trust reversers were clearly engaged on landing and it didn't seem to yaw.
1735496616354.png
 
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Toshi

butthole powerwashing evangelist
Oct 23, 2001
40,145
9,031
the landing didn't look so bad, per se

the deceleration into the wall at the end of the runway did, though
 

boostindoubles

Nacho Libre
Mar 16, 2004
8,579
7,205
Yakistan
After that Azerbaijan flight was hit they were denied emergency landing in Russia and were forced to fly over the Caspian Sea to land. Those pilots had balls of steel! Russia was probably hoping it would crash into the sea and disappear.
 

mykel

closer to Periwinkle
Apr 19, 2013
5,577
4,288
sw ontario canada
In addition to the no you can't land here and you must fly over the Caspian where we hope you crash, but they also jammed GPS until the plane was out of range.

Pilots are fucking heroes.
 

Toshi

butthole powerwashing evangelist
Oct 23, 2001
40,145
9,031

Westy

the teste
Nov 22, 2002
56,325
22,370
Sleazattle

apparently there was some fuckery wrt why that structure was built as it was vs being frangible (which TIL is a word)
There is a concrete wall not too far past that berm, results wouldn't have been much different if it wasn't there.

Here is a pretty good summary



Interesting that flaps were down for the original approach and functional enough to be retracted. Only thing that really makes sense is that they lost both engines and had no choice but to put it down and didn't have time to get it configured properly.
 

Jm_

sled dog's bollocks
Jan 14, 2002
20,454
10,940
AK
There is a concrete wall not too far past that berm, results wouldn't have been much different if it wasn't there.

Here is a pretty good summary



Interesting that flaps were down for the original approach and functional enough to be retracted. Only thing that really makes sense is that they lost both engines and had no choice but to put it down and didn't have time to get it configured properly.
Not when you land that far down the runway, that means you had time to configure it, since you were long. It still makes no sense why no gear or flaps. Electric hydro pump should have been working and apu on should have been first on the checklist.
 

stevew

resident influencer
Sep 21, 2001
41,298
10,225

Toshi

butthole powerwashing evangelist
Oct 23, 2001
40,145
9,031
damn 737s causing problems left and right eh
 

Westy

the teste
Nov 22, 2002
56,325
22,370
Sleazattle

Not uncommon

 

Pesqueeb

bicycle in airplane hangar
Feb 2, 2007
42,239
19,707
Riding past the morgue.
Several years ago my old employer started installing "fire bags" for the express purpose of smothering things like flaming laptops or cell phones. I assume this was mandated by the feds because there was no way in hell the airline was going to spend a dime on something not necessary to maintain regulatory compliance.
 

stevew

resident influencer
Sep 21, 2001
41,298
10,225
 

Pesqueeb

bicycle in airplane hangar
Feb 2, 2007
42,239
19,707
Riding past the morgue.
:twitch: