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re: Major airline disaster in South Korea, plane crashes with 181 passengers aboard...

Posted on 12/29/24 at 10:01 am to
Posted by LSU Grad Alabama Fan
369 Cardboard Box Lane
Member since Nov 2019
13105 posts
Posted on 12/29/24 at 10:01 am to
quote:

The pilots here did the right thing by choosing the runway as a place to put it down. However the high rate of speed, possible late touchdown, and lack of sufficient drag devices led to an overrun.



Out of the options you listed a runway is by far the best choice. I will add to your comment that it's still unknown if it was the right decision to land at that particular airport. If this plane could have flown another 200 miles it could have landed in Seoul which has a runway that is over 3100 feet longer and a much longer area to go off the runway.
This post was edited on 12/29/24 at 10:05 am
Posted by Tigeralum2008
Yankees Fan
Member since Apr 2012
17442 posts
Posted on 12/29/24 at 10:13 am to
quote:

From everything I'm seeing it looks like everything was nominal up until the final minutes. The plane was on final approach to RWY 1 when there was a malfunction in the right engine due to a possible bird strike. That's when it aborted its landing attempt and went around to RWY 19 instead. Eagle eyed pilots on message boards can't see any evidence of flaps extended and a lengthier video shows the plane touching down about 1000 meters down the runway. They (the pilots on the message boards) also seem to be adamant that a bird strike into the engine shouldn't have been enough to cause hydraulic failure in the landing gear. Some seem to theorize that it's possible there was so much shite going on in the cockpit in those final minutes that the pilots simply forgot to lower the landing gear.



Doubt they forgot the gear. Also no flaps/slats engaged either… Did they turn on the APU?

You can see the reverse thrusters running as the plane was sliding. That would indicate they had at least one running engine. The report on this is gonna be very interesting.

Posted by 0x15E
Outer Space
Member since Sep 2020
14508 posts
Posted on 12/29/24 at 10:20 am to
quote:

If this plane could have flown another 200 miles it could have landed in Seoul which has a runway that is over 3100 feet longer and a much longer area to go off the runway.


Another factor in the puzzle for sure. Were they low on fuel?

The investigation on this one will be interesting.
Posted by Thracken13
Aft Cargo Hold of Serenity
Member since Feb 2010
18203 posts
Posted on 12/29/24 at 10:40 am to
quote:

I'm not sure, but, I'm assuming there's a point that a barrier at the end of a runway is prudent in a populated area.


Burbank and even Midway in Chicago have barriers at the end because just the other side is houses
Posted by DR93Berlin
Member since Jul 2020
1311 posts
Posted on 12/29/24 at 11:34 am to
quote:

runway “safety barrier”

Apparently it wasn’t a safety barrier. There’s a big field beyond it. It was part of the localiser antenna structure. Concrete with rebar base. Pretty sure these should not be built that way that close to the end of the runway.
This post was edited on 12/29/24 at 11:43 am
Posted by Grinder
Member since Nov 2007
2313 posts
Posted on 12/29/24 at 11:34 am to
quote:

You can see the reverse thrusters running as the plane was sliding. That would indicate they had at least one running engine.


Reverse thrusters can’t be activated if the landing gear has not been lowered.

It looks like there’s nothing slowing this aircraft.
Posted by okietiger
Chelsea F.C. Fan
Member since Oct 2005
41945 posts
Posted on 12/29/24 at 11:39 am to
I mean, unfortunately something fatally slowed this aircraft…
Posted by jcaz
Laffy
Member since Aug 2014
17724 posts
Posted on 12/29/24 at 12:43 pm to
Judging by the video how fast you think he was rolling when he went off? I’m guessing at least 100kts. It’s like the ground did nothing to slow it down. They must have landed really long
Posted by Diseasefreeforall
Member since Oct 2012
6768 posts
Posted on 12/29/24 at 1:58 pm to
quote:

Apparently it wasn’t a safety barrier. There’s a big field beyond it. It was part of the localiser antenna structure. Concrete with rebar base. Pretty sure these should not be built that way that close to the end of the runway.

It was probably built that way to raise the antennae in order to compensate for the slope of the runway.

Aviaton stackexchange/link]
Posted by Saintsisit
Member since Jan 2013
4651 posts
Posted on 12/29/24 at 2:07 pm to
Yeah I'm sure it'll come out in the investigation but landing from the South would have resulted in a better outcome it seems.

Also eager to see their touchdown point.
This post was edited on 12/29/24 at 2:09 pm
Posted by Old Money
LSU
Member since Sep 2012
39756 posts
Posted on 12/29/24 at 2:59 pm to
quote:

Also eager to see their touchdown point.


That and I wonder why they landed so fast. Were so many crucial systems so fricked from a singular engine bird strike (that I know of) that they couldnt have gone around and shed some speed? I'm leaning towards pilot error currently.
This post was edited on 12/29/24 at 3:01 pm
Posted by Auburn1968
NYC
Member since Mar 2019
23283 posts
Posted on 12/29/24 at 3:54 pm to
quote:

The retaining wall at the end of the runway may not be the optimal design of an airport perimeter, but in all honesty, many airports in the US have similar features close to their runway ends as well.


The retaining wall was reinforced concrete and that's what destroyed the aircraft. There were two other belly landings in the last couple of days, but nobody died.

That plane has manual landing gear release handles.

This guy is a former captain of this aircraft.

Posted by 0x15E
Outer Space
Member since Sep 2020
14508 posts
Posted on 12/29/24 at 3:59 pm to
quote:

at least 100kts.


At least
Posted by SWLA92
SWLA
Member since Feb 2015
3784 posts
Posted on 12/29/24 at 4:21 pm to
That video puts me in the camp of the pilots got disoriented with all the the commotion going on in the plane. If this video is right which I’m pretty sure it is, they could have manually put the landing gears down.
Posted by Auburn1968
NYC
Member since Mar 2019
23283 posts
Posted on 12/29/24 at 4:37 pm to
quote:

That video puts me in the camp of the pilots got disoriented with all the the commotion going on in the plane. If this video is right which I’m pretty sure it is, they could have manually put the landing gears down.


Yeah, had the manual landing gear release worked, they would have had brakes.

Sad thing is that they did a very good belly landing with one engine. Planes occasionally overshoot runways so putting reinforced concrete barriers there should never happen. Some of those antennas are designed to fold down if struck.

A lot more information will come out in the next few days and weeks.


Posted by 0x15E
Outer Space
Member since Sep 2020
14508 posts
Posted on 12/29/24 at 4:46 pm to
Here’s Blancolirio’s take

150mph on impact and it hit the ILS antenna located on an earthen berm constructed 400 feet past the end of the blast pad.
Posted by BilbeauTBaggins
probably stuck in traffic
Member since May 2021
7297 posts
Posted on 12/29/24 at 4:51 pm to
I'm finding it really hard to believe that after doing everything right at the end they didn't attempt to engage their landing gear. Bird strikes aren't uncommon, landing with one engine isn't as difficult as it would sound, terrain warnings alarm would've been sounding off.

Posted by BHM
Member since Jun 2012
3629 posts
Posted on 12/29/24 at 4:53 pm to
quote:

Planes occasionally overshoot runways so putting reinforced concrete barriers there should never happen.



No argument here but at the speed they left the end of the runway, it was not going to end well. Most runways just don’t have 5,000 feet of clear ground at the end. There is a either a concrete barrier or a highway or trees or…
Posted by Gus007
TN
Member since Jul 2018
13315 posts
Posted on 12/29/24 at 4:55 pm to
DEI at work.
We don't need experts we need a diverse work force.
Posted by BHM
Member since Jun 2012
3629 posts
Posted on 12/29/24 at 4:57 pm to
quote:

I'm finding it really hard to believe that after doing everything right at the end they didn't attempt to engage their landing gear.



I think with all the alarms sounding, they failed or did not have time for a landing checklist and as they neared the runway they realized the gear was up from the previous go around. They then attempted a second go around but failed to climb for whatever reason (improper flaps perhaps).


Half way down the runway they we stuck in no man’s land and tried to force it down.
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