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

Posted on 12/30/24 at 12:53 pm to
Posted by Saintsisit
Member since Jan 2013
4626 posts
Posted on 12/30/24 at 12:53 pm to
quote:

Don’t you think when they hit the ground on their belly they’d have tried to pull back up?


Lookup the PIA 8303 accident and you'll see what happens when you try that.
This post was edited on 12/30/24 at 12:54 pm
Posted by Chucktown_Badger
The banks of the Ashley River
Member since May 2013
34102 posts
Posted on 12/30/24 at 12:57 pm to
quote:

They likely retracted the flaps when they went around after the bird strike.

Why they didn't add them back in on landing is a mystery right now.


If they were down an engine would there not be a benefit to leaving them extended for additional lift? Or does it make the plane way less maneuverable or something else that would lead to them being retracted?

ETA: I can imagine some on board actually breathed somewhat of a sigh of relief when it touched down and was skidding on the runway...only the pilots knew what was coming.
This post was edited on 12/30/24 at 1:00 pm
Posted by The Boat
Member since Oct 2008
172265 posts
Posted on 12/30/24 at 12:59 pm to
quote:

Lookup the PIA 8303 accident and you'll see what happens when you try that.


There have been a ton of Asian pilot error accidents since 2010 yet people are looking for another explanation for this one. People want to look for something mechanical because they don't want to think their pilots are shitty. But American pilots are simply better. There have been 0 American *commercial pilot major accidents in that same time frame. Avoid Asia with their bad pilots and archaic caste CRM and you'll be fine.

*of course there are a ton of shitty private Joes who crash
This post was edited on 12/30/24 at 1:04 pm
Posted by redstick13
Lower Saxony
Member since Feb 2007
39851 posts
Posted on 12/30/24 at 1:00 pm to
You guys watch too many YouTube channels about air crashes.
Posted by Auburn1968
NYC
Member since Mar 2019
23181 posts
Posted on 12/30/24 at 1:22 pm to
There were a couple of other belly landings over the last couple of days, but nobody was killed.

Had it not been for that reinforced concrete mount for the antennas at the end of the runway it is likely than no one would have died. I'm sure this tragic ending will make sure nobody ever puts things like that at the end of a runway again.
Posted by Ziggy
Member since Oct 2007
21883 posts
Posted on 12/30/24 at 1:26 pm to
quote:

Had it not been for that reinforced concrete mount for the antennas at the end of the runway it is likely than no one would have died. I'm sure this tragic ending will make sure nobody ever puts things like that at the end of a runway again.

It's my understanding that just beyond that reinforced concrete mount was a 10' high concrete wall that encompasses the entire airport / runway so it would've plowed into that instead.
Posted by 0x15E
Outer Space
Member since Sep 2020
14450 posts
Posted on 12/30/24 at 1:26 pm to
quote:

You guys watch too many YouTube channels about air crashes.


While tragic, there is no better way to get an understanding of how things can go wrong in aviation and learn from other’s mistakes.
Posted by Saintsisit
Member since Jan 2013
4626 posts
Posted on 12/30/24 at 1:28 pm to
quote:

Had it not been for that reinforced concrete mount for the antennas at the end of the runway it is likely than no one would have died. 


Had they not exited the runway @ 150+mph with no brakes it is likely no one would have died.

FIFY
Posted by BHM
Member since Jun 2012
3618 posts
Posted on 12/30/24 at 1:30 pm to
quote:

Hints on pilots possibly shut down engine #1 mistakingly and engine #2 that had the stall was producing partial power.



Certainly possible but there does seem to have the sound of an engine at high power as it crashes at the end. But then again, they may have realized they shut down the wrong engine but it was too late for it to spool back up in time.
Posted by 777Tiger
Member since Mar 2011
83588 posts
Posted on 12/30/24 at 1:30 pm to
quote:

Had they not exited the runway @ 150+mph with no brakes it is likely no one would have died.



landing a jet with the gear up in itself isn't that big of a deal, there's going to be a lot more to come out of this
Posted by KosmoCramer
Member since Dec 2007
79239 posts
Posted on 12/30/24 at 1:32 pm to
quote:

It's my understanding that just beyond that reinforced concrete mount was a 10' high concrete wall that encompasses the entire airport / runway so it would've plowed into that instead.


I saw a picture and it was exactly as you described.

I'm not sure how much distance was between the concrete ILS debacle and the concrete wall, but yeah.
Posted by 0x15E
Outer Space
Member since Sep 2020
14450 posts
Posted on 12/30/24 at 1:32 pm to
quote:

If they were down an engine would there not be a benefit to leaving them extended for additional lift? Or does it make the plane way less maneuverable or something else that would lead to them being retracted?


In twin-engine operations, after losing an engine, drag devices (flaps, gear, etc.) will not allow most aircraft to climb, those that can will get dangerously close to what is called Vmc or “minimum controllable airspeed” which can lead to a Vmc roll/spin.

If you have to go around, it is better to dump the drag, and get to an airspeed that will give you the best climb performance on a single engine, while also not dropping below Vmc.
Posted by Saintsisit
Member since Jan 2013
4626 posts
Posted on 12/30/24 at 1:38 pm to
quote:

landing a jet with the gear up in itself isn't that big of a deal, there's going to be a lot more to come out of this


I agree, but touching down that late and that fast is a big deal.
Posted by Jmcc64
alabama
Member since Apr 2021
1321 posts
Posted on 12/30/24 at 2:33 pm to
quote:

In twin-engine operations, after losing an engine, drag devices (flaps, gear, etc.) will not allow most aircraft to climb, those that can will get dangerously close to what is called Vmc or “minimum controllable airspeed” which can lead to a Vmc roll/spin.

If you have to go around, it is better to dump the drag, and get to an airspeed that will give you the best climb performance on a single engine, while also not dropping below Vmc.


haven't read the entire thread, but there are detailed checklists for this sort of thing. checklists are thorough but take time, more than 5 minutes. what was the hurry if they still had one good engine? even no engines doesn't explain the how they were configured at landing.
Posted by KosmoCramer
Member since Dec 2007
79239 posts
Posted on 12/30/24 at 2:37 pm to
quote:

haven't read the entire thread, but there are detailed checklists for this sort of thing. checklists are thorough but take time, more than 5 minutes. what was the hurry if they still had one good engine? even no engines doesn't explain the how they were configured at landing.



That's essentially the whole discussion being had in this thread.
Posted by FLBooGoTigs1
Nocatee, FL.
Member since Jan 2008
57328 posts
Posted on 12/30/24 at 3:16 pm to
quote:

You guys watch too many YouTube channels about air crashes.


PULL UP PULL UP PULL UP

Love me some air disasters(series on Smithsonian channel) . My wife thinks I am crazy but if I am going down I will try and diagnose the problem before I die.
This post was edited on 12/30/24 at 3:18 pm
Posted by wareaglepete
Lumon Industries
Member since Dec 2012
14444 posts
Posted on 12/30/24 at 3:28 pm to
quote:

Love me some air disasters(series on Smithsonian channel) . My wife thinks I am crazy but if I am going down I will try and diagnose the problem before I die.


Plane hurtling towards the ground, everyone screaming.

FLBoo yells at flight attendant: Ask the pilot if it was a bird strike. I bet it was a bird strike.

Flight attendant: SCREAMING!!

FLBoo: It’s hydraulics loss like Sioux City isn’t it? I bet.
This post was edited on 12/30/24 at 3:33 pm
Posted by LemmyLives
Texas
Member since Mar 2019
10340 posts
Posted on 12/30/24 at 4:50 pm to
quote:

PULL UP PULL UP PULL UP

I was flying into Austin once and was sitting close enough to the cockpit to hear bitching Betty saying this. Nobody else noticed. Didn’t die, unfortunately for this board, but it kicked off 20 seconds of me justifying in my head why there was no need to worry before touchdown.
Posted by LSU Grad Alabama Fan
369 Cardboard Box Lane
Member since Nov 2019
13057 posts
Posted on 12/30/24 at 5:03 pm to
quote:

FLBoo: It’s hydraulics loss like Sioux City isn’t it? I bet.


I'm always practicing on Microsoft Simulator waiting for my moment.
Posted by LemmyLives
Texas
Member since Mar 2019
10340 posts
Posted on 12/30/24 at 5:12 pm to
F-19 by microprose, before it became F-117. Doppler or pulse radar, got it handled!
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