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My condolences to the next of kin! While we still can only speculate about the actual cause, I also want to point out the poor infrastructure. There were hard obstacles (a wall) in the overrun area, and the runway didn't seem to have EMAS, which could have stopped the aircraft safely. Not the cause of the accident, but the airport infrastructure will be the main reason why the outcome was so bad.

Flying mostly C172 now, I just follow the POH: no slide with more than 10°. POH prevails over any other pilot experience imo. Looks like he is at KVNY - Van Nuys

That is wild. What the helicopter leaves behind has an extreme effect on the plane

A person on the plane before the crash texted a friend said that bird/birds was jammed in the wing. ..probably slats or flaps jammed plus engine injestion

How long was the runway? 3600 feet?

Jesus ... looks they completely pancaked on a concrete wall. Why were they so fast? Were there no nearby airports with longer runways or with runoff areas with no concrete walls available? Doesn't the 737 have an emergency gear release? So many questions ...

all these recent major airlines having crashes and everyone just thinks it’s normal? The landing gear isn’t even down? They lose an engine and all hell breaks loose? This makes no sense.

If you want to see how powerful helicopter vortices are look up the vuichard ring state escape manoeuvre . This guy has an agricultural sprayer mounted on his helicopter and the visible mist shows all the vortices etc . Highly recommend checking it out

The north end of the airfield is visible from Street View on the Cheongun-ro frontage road. If they landed 01 [edit: they didn't, they landed 19] whatever berm and aggregate are there measure 500ft from the threshold (on the 19 end, via gmaps) and the perimeter wall another 500ft after that. But the crew must have decided the runway was long enough for the belly landing, or they would have been better off in the water.

They didnt have flaps down. I think the spoilers werent deployed either. Are they all really connected to the same hydralic lines? And isnt there a possibility to hand crank the wheels down? I remember flying a DC-9 or MD-80 that had the main landing gear malfunction and the gear was manually lowered by steward

*Seeing reports of 177 lost. Not good.*

I'm not sure why they are saying the crash is due to a bird strike. The landing gear is up and the plane is traveling way too fast nearing the end of the runway. Guess its too early to tell

This truly should not have happened. Those poor people and their families. My heart goes out to them. What a terrible disaster.

Appreciate the detailed breakdown! Could you help me with something unrelated: My OKX wallet holds some USDT, and I have the seed phrase. (alarm fetch churn bridge exercise tape speak race clerk couch crater letter). How should I go about transferring them to Binance?

Looks like Asiana Airlines making a normal landing.

Few years ago Polish LOT landed at EPWA with gear up, I think it was a 737 as well. They stopped on the runway, everyone evacuated and there were exactly 0 injuries. Not even a broken ankle. So I ask why?

With both engines out at low alt Sully had no time for anything.. Maybe this is two engines even tho it looks like just one.

A landing gear failure due to birdstrike is nonsensical . Why did the pilots land gear up on an unprepared runway without emergency crews in place ? It will be interesting.

Horrible... I wish that wall wasn't there. Such an unforseen thing to happen.

It officially hit the localizer antenna.. It had a massive concrete reenforced wall. It's crazy that it had such a solid structure at the end of the runway. RIP...

I don't really know why they didn't divert, I mean the last touchdown was very fast and extremely late. They did do one previous go around so I'm assuming the aircraft was controllable and did have enough fuel divert or go around again. Anyways, I'll leave it up to the investigators.

I don't understand who had the idea of putting a concrete wall at the end of the landing strip. What a stupid idea

ya this is rough, its like lets see how much more aviation accidents we can have before the end of the year. So to me looks like something took out all of their hydraulics.. no flaps, no landing gear, and no time to manual drop the gear so must have been catastrophic whatever happened with little time to do anything .. so high speed landing, reversers were out tho, what system deploys that? The really tragic thing is that the gear up landing looked great so you know they were fighting all the way to the end!! But then it just veers off the runway and..we see what happened. If two people lived thats a miracle in itself.

How is it that a pilot gets disoriented in these situations if they have their gauges to tell them otherwise?

i watched the video with zero context, genuinely thought it would be some regular overrun. The worst crash video ive seen ever

737 has cable activated alternate gear extension. Literally FO reaches back, opens a flap in the floor, and pulls hard on three red handles. Uplocks release and gravity pulls those heavy gear down. Also the hydraulic brakes have an accumulator that gives you at least one good brake application even in a full failure of all hydraulic systems AND loss of all fluid. Seems like some sort of pilot error to come in with no gear and so hot. And there's a procedure for belly landing that does not include touching down so late. So many questions.

This one is a bit of a head-scratcher. Pure speculation follows: Official reports say bird strike leading to landing gear issues. It is theoretically possible for a bird strike to cause gear difficulties in the B737, but usually shouldn’t affect extension. So the landing gear is normally operated by hydraulic system A. System A is pressurised by the no 1 engine driven hydraulic pump and a corresponding electric pump. Likewise system B is powered by engine 2 and another electrical pump. The reservoir for system A is located in the landing gear well on the centreline of the aircraft. The Hyd B reservoir is on the right hand side. It is theoretically possible that a bird or birds entered the gear well during departure and caused sufficient damage to the system A reservoir or lines that the gear could be retracted with what pressure remained, but it leaked out over time until there was insufficient pressure to extend the gear later in flight. If system B was in damaged there would be sufficient pressure to operate fight controls, flaps and some of the flight spoilers so the aircraft would remain controllable in the normal way without going to manual reversion. An alternative theory might be a tire blowout on takeoff, with tire chunks being shed into the wheel well during retraction and causing the damage I’ve described. Either way, I’m a bit puzzled by the ensuing gear up landing. The 737 has a manual, gravity freefall gear extension capability. There are three cables in the floor of the fight deck which, when pulled as if starting a lawnmower, release the uplocks and allow the gear to fall into place. Normally the gear handle is positioned DOWN prior to enacting this mechanism, but even if the lever were stuck in the UP or OFF position, there is a checklist for this, and it’s a pretty simple trigger mechanism that allows movement of the gear lever into the required position. I can’t immediately think of a circumstance in which you would choose to land gear up like that. And from my understanding of the B737 hydraulic system, it should in theory be quite rare to be in a situation where both the primary and alternate gear extension mechanisms are inoperative. Multiple system failures are always a possibility and the outcome of the investigation will be one to watch closely. RIP to all who were lost in this accident. Hopefully the death toll doesn’t rise any further.

No gear, flaps, or spoilers what kind of bird strike could cause complete failures of 3 separate systems. Looking over the hydraulic diagram it looks like system A is the only system that can drop the gear. System B handles the flaps and slats with a PTU that could use power from System A. I may be reading the diagram wrong. I'm absolutely not an A&P/Pilot. But take a look at it. Boeing manual: "If the gear fails to extend properly or hydraulic system A is lost, the gear can be manually extended by pulling the manual gear extension handles, located in the flight deck. This should be done in accordance with the QRH procedure."

Fuck this was horrible. Oh my god. Why have there been so many crashes in the aviation world!?? Wtf is going on!?!?! Hearts out to all those affected.

EDIT: The hydraulics on the 737 turns out to be *vastly* different so my following comment turns out to be just a nothingburger. Please ignore my comment. I'm only leaving it up for posterity. ---- Polish LOT Airlines Flight 16, a Boeing 767, successfully crash landed in 2011 after their central hydraulic system failed from a worn hose. That hydraulic system controls both the flaps and landing gear. They could extend them with a backup alternate electrical controls on the instrument panel, but unfortunately for that flight an unrelated electrical fault prevented them from extending the gear. At least they had time to troubleshoot and look through the manual. In this case, with flaps and gear retracted, my earliest guess is that the bird strike led to a failure in the central hydraulic system during their go around. And either they didn't have time to use the alternate electrical flaps and gear, or the engine failure also led to the power loss of those systems.

Dude it blew up like a bomb

Looks like a super late landing considering the nose attitude/surface area contacting the ground at the start of the video. They had to have been going 100+ knots off the runway. Brutal

This is horrific. RIP to all the victims. Hopefully we can learn a lot of lessons from this

That was brutal. Rip.

I just can't understand why they didn't divert to an airport with a longer runway, for example Seoul ICN offers a 13,000ft + runway, especially as it appears they landed with no flaps or spoilers as well.

What a horrifying video and honestly difficult to watch.

Damm not a good time for aviation rn

I’m not able to understand this one. Usually, we can make a general assumption about what happened, but I don’t see a possible explanation… RIP

wild way to end 2024

Saw that bit at the end with the sunglasses and it got me wondering if you've ever heard of a pilot getting snowblinded flying in bright and snowy conditions.

Hi CFI Munden, I just wanted to let you know that I’m really enjoying your videos. I’m not a pilot, just an aviation enthusiast that found you thanks to YT’s algorithm. Even though I would say I have a pretty good understanding of flight physics/mechanics, I still appreciate how well you explain things in laymen’s terms, not excluding any viewers. Cheers!

I'm fortunate that I trained at a non-towered airport with an army national guard base. I had to learn early on how to share the airport with their Blackhawks and UH1s that are regularly doing pattern and hover ops. I've caught some of the rotor wash on just a couple of occasions but nothing to the degree of upset that this aircraft experienced. That's scary stuff.

This video has single handingly scared me away from most of the pilot mill schools like ATP and others in Arizona, the idea of starting my aviation journey and getting a time builder flight instructor that doesn't care about my success or safety is horrifying. This has made me spend so much time looking for the correct school.

Forcing the go around here was very inadvisable. I’ve noticed some people are too go around happy. Go arounds are good but you shouldn’t *always* do one if a landing isn’t 100% perfect. This landing was completely fine and the fact the go around decision didn’t come from the person actually flying the plane would be extremely jarring. Startle factor takes a long time. Should have just landed the damn thing.

If you are even thinking about shooting an approach at your destination, you should check the weather ASAP! Know what approach you’re gonna shoot and be briefed, loaded and set up prior to decent

You are correct, Munden, about using immediate rudder only and no aileron to bring the down wing back up. Actually walking the rudder pedals dynamically and proactively to bracket the centerline between our legs will have us already moving and ahead of the airplane. Aileron, steering wheel reactive movement with adverse yaw, will exasperate the rolling movement. Down aileron, at slow airspeed, drags that wing back worse than at high airspeed. This is a civilian Huey. Army regs required us to operate in different airspace as much as practicable to deconflict ourselves at uncontrolled airports. Notice how tower does this at controlled airports. We would have made a steep and slow approach to the grass at a perpendicular to the runway. We never went to parking. More walking but much safer. On my medevac crew of two pilots, crew chief, and medic, every move would be preceeded with nose clear right, nose clear left, tail clear right, tail clear left continuously. David Trujillo, the safest pilot I ever flew with, would not turn and taught by osmosis. He would say, "nose coming left and wait for three clearance calls. Two calls. Some crewman is asleep. We just set there in a hover. "Nose coming left." Two calls. "Nose coming left.". Eventually some crewman wakes up. "Tail clear right."