The JeJu Air Crash Is Really Strange

Today's Video: The JeJu Air Crash Is Really Strange

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[Swiss]

This will be an interesting investigation result. I've just rewatched the video and I am genuinely wondering why they decided to go around in the initial approach in the first place. Normally this is good advice:
An aircraft is hit by birds while on final approach to land - should the pilot continue the approach or initiate a go around/missed approach?


Having encountered birds, the question to be answered is "what is the damage to the aircraft and what effect will this have on the safe conduct of the flight?".

The full extent of any damage, to the engines and/or the control surfaces and landing gear, may not be apparent until applying power, configuring, or manoeuvring the aircraft. It might therefore be the case that, if a go-around is initiated, the pilots rapidly find themselves in a situation where the runway is disappearing beneath them but the aircraft cannot safely fly a missed approach.

Therefore, in the above scenario, it is advisable to continue the approach and land. (from Skybrary)

We're all full of questions. My most sincere condolences to the passengers and crew who tragically perished today.

[robrobinette]

I have over 8k hours in the 737 and I can't come up with any malfunction that would cause the crew to land gear up and no flaps. It's obvious the emergency gear extension was not even attempted because, at the least, some of the gear doors would be partially open. Touching down at high, no-flap speed caused the long slide into the antenna.
It seems the aircraft was stabilized with gear and flaps for the approach to the north runway (speed is consistent with normal configuration), then, had to go around, probably due to engine compressor stall (camera operator reported "popping" noise from the aircraft). Maybe the crew got frazzled and wanted to get the aircraft on the ground as quickly as possible so they did a 180 turn and quick approach to the south runway, were rushed, and didn't get the plane configured for landing--that's my best guess. It's also possible when they tried to shut down the bad engine (bird strike and/or compressor stall), they accidentally shut down the one good engine, then had to glide to the runway. This is a very strange one.

[kururuntheseafairy]

It's so sad. Now the Korean media does not point out the concrete walls of the airport, which are the cause of more victims, but only deals with airlines that have neglected airplane maintenance. There was no wall two years ago. As the antennas kept collapsing due to typhoons, they were reinforced by planting them inside the concrete walls. It was silly. The airport architect is a killer. The pilot struggled to reduce the damage and may have been relieved that he saved everyone with a successful belly landing, but it is so depressing to think of the despair he felt when he saw the ruthless concrete wall right in front of him. Rest in peace to all the victims.

[JJB-vyct]

My 2 cents as an airbus pilot

The go around was initiated probably to complete procedures that triggered during bird strike. This is part of standard procedures to properly asses the situation in order to have a good decision making. Continuing the approach may be a good idea and in fact pilots are trained to recognize these scenarios where you have to land the airplane no matter what in cases of fire, loss of controls or anything that may deem the aircraft unsafe to fly. I personally think it’s not the case because the aircraft clearly made a teardrop maneuver on the other end of the runway. They may have opted to use the opposite runway to avoid the birds they encountered earlier or perhaps something went wrong on their remaining live engine that prompt them to rush their approach. What baffles me is why they rushed the whole thing, single engine maneuver is what we practice in the sim every six months so we are all very familiar in handling these scenario. This is just heartbreaking 😢 prayers to everyone affected by this tragedy.

[perthplanespottingandelevators]

This is such a confusing accident, a bird strike can’t really cause a plane to lose all hydraulics, and if it did the fact the plane landed so far at the end of the runway and slammed into the concrete localiser base is just shocking. Also so weird it’s made of reinforced concrete, just seems like a recipe for disaster. Thanks for covering this situation, and rest in peace to the 175 passengers and 4 crew members that passed away.

[markw]

As an aviation expert noted on Australian news, the real cause of the fatalities was the idiocy of having a concrete structure within 200 m of the end of the runway. Runways are supposed to be unobstructed at the end to provide runoff space for aircraft precisely because things like this can happen, and you don’t want your passengers to all die when it does!

[theresacaron]

As a pilot, my impression is the crew panicked. The 737 flies very well on one engine. What they should have done are racetrack patterns until they completed the required checklists, configured the airplane for landing using the APU if needed to lower the gear and flaps then & only then execute a controlled descent & landing. This should have been a survivable landing with minimal issues, not a no-flaps, gear up overspeed belly landing. The CVR will reveal a lot including poor emergency management.

[i_Daniel]

4 AIRPLANE INCIDENTS THIS WEEK
1 in Kazahstan
2 in South Korea
3 In Canada
4 in Norway
this is mind blowing

[ajclaravall_]

for some reason there are years where a lot people in south korea die in just one horrific accident. The ferry, halloween, and now this plane crash.

[Salvador_but_he_plays_gd]

This crash unfortunately is now the desdliest aviation accident to occur in South Korea

The title was previously held by Air China flight 129 which had 129 fatalities

[thepilotist]

Airline pilot here. Couple things I noticed. First, in the phone video showing what appears to be a compressor stall on Eng 2, it appears the flaps are set in an intermediate configuration and the landing gear is not down (hard to tell but can’t see the nose gear at all) so the aircraft likely went around before reaching a full landing configuration. Second, even if there was a bird strike which caused an engine failure, it doesn’t necessarily mean the hydraulic systems will be affected. The EDP (engine driven pump) for the hyd system will still provide fluid pressure as long as the engine is still windmilling. Additionally, there are three independent hydraulic systems on the 737, and a loss of one of the systems should not prevent gear and/or flaps from being lowered. Based on my knowledge, there should be no reason the flaps or gear couldn’t have been lowered at all. Most likely this was pilot induced unfortunately. Any commercial aircraft can fly just fine on one engine and they would have had plenty of time to troubleshoot and run checklists before attempting another landing. Sad situation all around

[CarlosAlexandre-flut]

Almost 100% pilot error, except for the criminal and stupid barrier on an area that can be used as escape in emergencies.

[Oriol-ftws]

3 accidents in less than 24 hours: Juju, Air Canda and KLM

[JetPilot]

As a retired 737 Captain, I have to wait for what the investigation reveals. My gut reaction to the video is that the emergency checklist was not followed. If it had this would never have happened

[Zacky]

Just my opinion as real life former pilot. Somebody screwed big time. Bird strike doesn't prevent lowering the gear. Landed almost in the last third of the runway with high speed, no flaps, gear up, no spoilers. It wouldn't stop anyway, thus the resulting crash. Just my opinion. RIP victims.

[dronesim]

My assumption is that engine number two suffered some kind of compressor stall (maybe due to the bird strike) and the pilots accidentally turned off engine number one wrongly, which then cut off the hydraulic power, which explains the flaps not being configured. Why else would the reverser of engine number one not be extended?

[pufflyin]

Some sad stories also regarding this plane are of the following:

1. A whole family of total 9 people boarded this plane to celibrate their grandmother's great 80th birthday.
2. The youngest passenger that passed away is supposed to be under 3 years of age. They were supposedly traveling due the father of the family getting promoted.
3. A mother messaged her son "Your're flight to return is tomorrow (Reffering to Friday, the crash was Thursday) right? The crash that happed today was horrible, but I'm sure your flight would be okay". Her son was on this flight, assumed seat was in the front.

[DinocrocutaGigantea]

I refuse to believe a single bird can cause all this. Something is not right.

[rantonydarealest]

I’m just very amazed at how 2 people had survived, they really need to be thankful in this situation, I couldn’t believe 29 survived the Azerbaijan plane too

[PsyQoBoy]

We need the blackbox and communications dialogue with the tower, to see what truly happened.

These planes are designed to fly with one engine and experienced pilots can land a plane with no engines. Not saying it's a walk in the park but doable.