WEBVTT

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<v Speaker 1>Imagine you are sitting in like a super comfortable upholstered seat,

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<v Speaker 1>just cruising along at thirty thousand feet.

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<v Speaker 2>That's pretty ideal, honestly, right.

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<v Speaker 1>It is a beautiful sunny afternoon over the Gulf of Mexico.

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<v Speaker 1>You're looking out the window, just watching these serene blue

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<v Speaker 1>waters pass by way down below. But then in the

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<v Speaker 1>stand of maybe just a few heartbeats, the sky outside

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<v Speaker 1>your window turns pitch black.

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<v Speaker 2>And we're not just talking about a heavy rain cloud

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<v Speaker 2>passing by.

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<v Speaker 1>No, exactly. We're talking about with the absolute blackest sky

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<v Speaker 1>you have ever seen, right in the middle of the day.

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<v Speaker 1>And suddenly the plane is just getting violently tumbled around.

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<v Speaker 1>It basically feels like you've hit a solid brick wall

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<v Speaker 1>in midair.

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<v Speaker 2>Which is terrifying in a commercial jet.

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<v Speaker 1>Completely and the noise becomes deafening. It's this relentless machine

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<v Speaker 1>gun pounding against the hull of this brand new Boeing

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<v Speaker 1>seven thirty seven. And then complete silence. Oh, the cabin

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<v Speaker 1>lights just go out. The comforting constant hum of the

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<v Speaker 1>jet engines stops. Everything goes black. Up in the cockpit.

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<v Speaker 1>You can just imagine the sheer panic of alarms blaring,

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<v Speaker 1>but outside it's just the sound of wind and extremely

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<v Speaker 1>heavy hail. Both engines have totally died.

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<v Speaker 2>Yeah, I mean, that is the ultimate nightmare scenario in

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<v Speaker 2>commercial aviation. You've lost all thrust, you've lost all electrical power,

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<v Speaker 2>and you were literally trapped inside a massive metal tube

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<v Speaker 2>that's just falling out of the sky.

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<v Speaker 1>Welcome to this deep dive today. Our mission is to

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<v Speaker 1>unpack one of the most terrifying, miraculous, and honestly perplexing

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<v Speaker 1>aviation mysteries and history. We're talking about the story of

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<v Speaker 1>tak A Flight one ten.

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<v Speaker 2>Such an incredible case, it.

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<v Speaker 1>Really is, and we're going to explore not just how

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<v Speaker 1>this flight crew managed to pull off the actual impossible

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<v Speaker 1>to save everyone on board, but the stunning investigation that.

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<v Speaker 2>Followed right because investigators had to figure out why a

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<v Speaker 2>state of the art airliner suddenly became a forty three

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<v Speaker 2>ton glider exactly.

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<v Speaker 1>So, really put yourself in that cabin for a second.

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<v Speaker 1>Feel that visceral terror of floating in the dark, falling

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<v Speaker 1>toward the ocean, relying in entirely on the people up

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<v Speaker 1>front to save you.

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<v Speaker 2>You know, the true mechanical irony of this catastrophe is

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<v Speaker 2>what makes it so fascinating to study. This wasn't a

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<v Speaker 2>case of some old, decrepit airplane falling apart because of

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<v Speaker 2>poor maintenance, right.

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<v Speaker 1>I wasn't a rust bucket, not at all.

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<v Speaker 2>This incident was caused by a highly specific engineering oversight

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<v Speaker 2>on one of the most reliable engines ever built, an

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<v Speaker 2>oversight that literally nobody in the entire world saw coming

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<v Speaker 2>despite decades of rigorous testing.

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<v Speaker 1>Well, before we get to the absolute chaos of the descent,

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<v Speaker 1>let's set the stage a bit so you know exactly

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<v Speaker 1>who is involved and you know what's at stake.

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<v Speaker 2>Here sounds good.

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<v Speaker 1>So the date is May twenty fourth, nineteen eighty eight,

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<v Speaker 1>and we were talking about a Boeing seven thirty seven

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<v Speaker 1>three hundred. This plane is incredibly new, like fresh off

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<v Speaker 1>the factory floor new. It was delivered to Tacka Airlines,

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<v Speaker 1>which is a smaller airline based in El Salvador, just

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<v Speaker 1>two weeks prior to this.

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<v Speaker 2>Flight, just two weeks. Wow.

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<v Speaker 1>Yeah. The flight instructor on board, Captain Arturo Soli, was

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<v Speaker 1>actually joking earlier in the flight about the weather. He

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<v Speaker 1>was like worried the hail was going to scratch their

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<v Speaker 1>brand new million dollar paint job.

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<v Speaker 2>I mean, taking delivery of a jetliner worth tens of

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<v Speaker 2>millions of dollars is a monumental event for a smaller airline.

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<v Speaker 2>They were immensely proud of this machine. It represented the

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<v Speaker 2>absolute cutting edge of aerospace technology at the time.

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<v Speaker 1>Totally. Now back in the cabin, you have thirty eight passengers,

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<v Speaker 1>and one of them is a woman named Lee Burmeister.

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<v Speaker 1>Her situation makes this rough flight infinitely worse.

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<v Speaker 2>Oh yeah, her story's so intense.

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<v Speaker 1>It really is. She is desperately eager to get back

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<v Speaker 1>to the United States. She had been staying in a

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<v Speaker 1>small village in Costa Rica for about a month and

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<v Speaker 1>while she was there, her appendix rupture.

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<v Speaker 2>That's awful.

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<v Speaker 1>Yeah, so she had to undergo emergency surgery in this

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<v Speaker 1>tiny rural village clinic. It was a harrowing ordeal. And

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<v Speaker 1>now she's sitting on this plane flying home with a

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<v Speaker 1>line of fresh surgical stitches running right up the middle

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<v Speaker 1>of her stomach.

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<v Speaker 2>So the absolute last thing she wants is any turbulence.

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<v Speaker 1>Exactly all she wants is a safe, smooth, gentle ride.

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<v Speaker 2>Smooth ride that is about to become a fight for

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<v Speaker 2>her life. And you know, The person guiding that fight

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<v Speaker 2>from the cockpit is Captain Carlos Dardano. His presence in

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<v Speaker 2>that seat is honestly a story all on its own.

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<v Speaker 1>Oh totally. Carlos Stardano is only twenty nine years old,

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<v Speaker 1>and being a captain of a major commercial jet at

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<v Speaker 1>twenty nine is already super impressive. But his backstory sounds

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<v Speaker 1>like it was ripped straight out of an action movie.

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<v Speaker 2>It really does. He's a third generation pilot, practically born

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<v Speaker 2>with a yoke in his hands. But six years before

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<v Speaker 2>this flight, in nineteen eighty two, El Salvadora was in

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<v Speaker 2>the grip of a brutal civil war. Dardana was running

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<v Speaker 2>a small aero taxi business flying these light aircraft, and

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<v Speaker 2>while he was on the ground at a small grass

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<v Speaker 2>runway just repairing his plane, a firefight breaks.

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<v Speaker 1>Out out of nowhere.

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<v Speaker 2>Out of nowhere, he gets caught in the crossfire and

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<v Speaker 2>is shot directly in the face by guerrillas.

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<v Speaker 1>The bullet went straight through his face, and yet somehow

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<v Speaker 1>he didn't just collapse and give up.

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<v Speaker 2>No, despite being terribly wounded and bleeding profusely, his immediate

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<v Speaker 2>instinct was to protect passengers. He managed to get the

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<v Speaker 2>plane into the air, staying incredibly low to the ground,

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<v Speaker 2>weaving between the trees to avoid taking more anti aircraft fire.

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<v Speaker 1>That is just insane.

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<v Speaker 2>He flew like that for twenty minutes back to the

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<v Speaker 2>main airport and successfully saved his passengers.

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<v Speaker 1>Unbelievable. So he survived the ordeal, but the gunshot wound

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<v Speaker 1>cost him his left eye, and for almost anyone else,

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<v Speaker 1>losing an eye means the end of a flying career,

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<v Speaker 1>right because depth's perception is entirely dependent on having binocular vision.

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<v Speaker 2>Yeah, exactly, Most people would never step foot in the

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<v Speaker 2>cockpit again litt alone try to fly professionally. But Dodano

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<v Speaker 2>just completely refused to give up his career.

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<v Speaker 1>So what did he do.

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<v Speaker 2>He learned to compensate for his impaired vision and lack

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<v Speaker 2>of depth perception using other visual cues. He passed all

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<v Speaker 2>the rigorous, unforgiving medical and flight tests required by aviation

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<v Speaker 2>authorities and literally earned his way back to becoming a

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<v Speaker 2>certicide commercial pilot for a major airline.

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<v Speaker 1>Okay, so you have a twenty nine year old, one

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<v Speaker 1>eyed civil war hero at the helm of the pristine

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<v Speaker 1>brand new jet. They leave Belize, cruising smoothly. The weather

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<v Speaker 1>is sunny, but then they hit the storm, and investigators

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<v Speaker 1>later described the energy inside this particular weather system as

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<v Speaker 1>being equivalent to an atomic bomb.

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<v Speaker 2>Going on a massive, incredibly violent storm cell.

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<v Speaker 1>Right, but wait, so, if this storm is packing the

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<v Speaker 1>energy of a nuclear weapon, how on Earth does a

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<v Speaker 1>state of the art radar system on a two week

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<v Speaker 1>old jet completely miss it. I mean, they should have

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<v Speaker 1>seen an angry red blob on their screens from fifty

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<v Speaker 1>miles away.

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<v Speaker 2>I'd think so. But the answer actually lies in the

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<v Speaker 2>specific physics of how radar technology worked at the time.

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<v Speaker 2>Airborne weather radar in the nineteen eighties typically operated in

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<v Speaker 2>what is called the X band frequency.

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<v Speaker 1>Okay, what does that mean in plain English?

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<v Speaker 2>To understand this, think about shining a flashlight. If you

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<v Speaker 2>shine a flashlight into a thick fog, the light hits

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<v Speaker 2>the water droplets and bounces back at you, illuminating the fog.

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<v Speaker 2>X band radar works basically the same way. Sends out

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<v Speaker 2>a pulsive energy that is fantastic at bouncing off liquid

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<v Speaker 2>water like heavy rain, and returning a strong signal to

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<v Speaker 2>the top bit display.

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<v Speaker 1>So the radar tells them exactly where the heaviest.

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<v Speaker 2>Rain is, right it sees the rain perfectly. Yeah, but

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<v Speaker 2>it does not see solid ice very well. And hail

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<v Speaker 2>is solid ice.

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<v Speaker 1>Oh wow, I didn't know that.

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<v Speaker 2>Yeah, radar waves don't reflect off solid dry ice the

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<v Speaker 2>way they do off liquid water. The waves tend to

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<v Speaker 2>just scatter or pass right through it differently. So imagine

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<v Speaker 2>a storm violently churning with massive baseball size hailstones, but

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<v Speaker 2>with very little liquid water in that specific.

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<v Speaker 1>Core, because all the water is frozen into hail exactly.

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<v Speaker 2>Because there is no liquid to bounce the signal back,

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<v Speaker 2>the radar only registers a super weak return. On the

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<v Speaker 2>pilot's screen, this atomic bomb of a storm just showed

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<v Speaker 2>up as a mild green or yellow patch suggesting light rain.

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<v Speaker 2>The storm essentially wore a mask completely disguising as violent core.

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<v Speaker 1>So they fly right into the mouth of the beast,

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<v Speaker 1>thinking they are just passing through a light summer shower,

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<v Speaker 1>and they hit a wall of turbulence. The noise of

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<v Speaker 1>the hail pounding the fuselage is so loud the pilots

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<v Speaker 1>can't even hear each other shouting.

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<v Speaker 2>Just absolute chaos in there.

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<v Speaker 1>And then, at about sixteen five hundred feet, dropping at

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<v Speaker 1>a terrifying rate of fifteen hundred feet per minute. All

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<v Speaker 1>the power cuts out, the engines swallow the hail and

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<v Speaker 1>just die.

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<v Speaker 2>The lights die, the passengers are plunged into absolute darkness.

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<v Speaker 1>Yes, entirely surrounded by the deafening roar of ice hitting metal.

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<v Speaker 2>And you have to remember, without power, the aircraft loses

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<v Speaker 2>all communication with New Orleans air traffic Control. Their transponder

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<v Speaker 2>stops broadcasting, meaning they literally vanish from the radar screens on.

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<v Speaker 1>The ground, so nobody knows where they are or what's happening.

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<v Speaker 2>Nope, up in the air, this multimillion dollar airliner has

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<v Speaker 2>just become a heavy forty three ton glider. And you know,

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<v Speaker 2>if you're wondering why they don't just turn the key

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<v Speaker 2>to restart the engines. Jet engines do not work like

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<v Speaker 2>car engines. You can't just crank them with a small battery.

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<v Speaker 1>Right, So to restart a jet engine in mid air,

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<v Speaker 1>you need the auxiliary power unit. It's basically a small

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<v Speaker 1>jet engine located in the tail of the plane that

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<v Speaker 1>acts as a backup generator exactly.

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<v Speaker 2>The APU provides the immense electrical and pneumatic power needed

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<v Speaker 2>to physically spin the massive turbofan engines. Fast enough so

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<v Speaker 2>you can actually inject fuel and attempt to restart. But

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<v Speaker 2>booting up the APU is not instantaneous.

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<v Speaker 1>It takes thirty seconds, which doesn't sound like a long

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<v Speaker 1>time until you think about it from the perspective of

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<v Speaker 1>the people in that cockpit. You're sitting in the dark,

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<v Speaker 1>in silence, falling out of the sky toward the Gulf

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<v Speaker 1>of Mexico, just counting the seconds, ten thirty.

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<v Speaker 2>Every second must have felt like an hour.

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<v Speaker 1>Right. Finally the APU picks on. The cockpit instruments flicker

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<v Speaker 1>back to life. They hit the ignition down at about

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<v Speaker 1>five thousand feet. The left engine catches, then the right

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<v Speaker 1>engine catches. You can hear the massive fans rubbing up.

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<v Speaker 1>The passengers actually start cheering in the cabin.

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<v Speaker 2>Oh, the relief must have been totally overwhelming. The pilot

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<v Speaker 2>immediately get back on the radio and tel air draffic control.

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<v Speaker 2>They have successfully restarted both engines.

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<v Speaker 1>But then Captain Dardano looks closely at his instrument panels.

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<v Speaker 1>He feels the yoke. He says, I don't feel any power.

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<v Speaker 1>Why don't I feel any power?

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<v Speaker 2>Because the engines are running, they're making noise, but they're

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<v Speaker 2>producing zero.

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<v Speaker 1>Thrust, and then the warning alarms starts screaming all over again.

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<v Speaker 1>The exhaust gas temperature gauges are completely maxing out, just

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<v Speaker 1>pinning the needles to the red line.

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<v Speaker 2>Yeah, when he looked at those maxed out heat gauges,

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<v Speaker 2>he realized they were caught in what aviation engineers call

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<v Speaker 2>a hot start.

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<v Speaker 1>A hot start? What is that?

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<v Speaker 2>Exactly understand how terrifying a hot start is. We need

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<v Speaker 2>to take a quick look at the anatomy of a

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<v Speaker 2>jet engine. A jet engine essentially operates on four basic principles. Suck, squeeze, bang,

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<v Speaker 2>and blow.

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<v Speaker 1>Okay, suck, squeeze, bang, blow.

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<v Speaker 2>Got it. The giant fan at the front sucks in air.

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<v Speaker 2>The compressor section squeeze that air until it's highly pressurized.

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<v Speaker 2>Then fuel is added in the combustion chamber where it ignites.

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<v Speaker 2>That's the bang, and finally, that expanding burning gas shoots

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<v Speaker 2>out the back, spinning a turbine on its way out.

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<v Speaker 2>The blow, which is what actually produces the thrust.

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<v Speaker 1>Okay, so think of it kind of like flooding a

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<v Speaker 1>car engine when you pump the gas too much and

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<v Speaker 1>it stalls out. But doing that in the sky has

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<v Speaker 1>catastrophic consequences.

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<v Speaker 2>Exactly when the engines flamed out in the storm, those

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<v Speaker 2>massive fans at the front stop spinning properly. They were

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<v Speaker 2>barely rotating, meaning they were no longer sucking in and

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<v Speaker 2>squeezing enough air. So when the crew desperately hit the

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<v Speaker 2>ignition to restart them, fuel flooded into the combustion chamber

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<v Speaker 2>and ignited. But because there wasn't enough compressed air flowing

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<v Speaker 2>through to push that massive fireball out the back, the

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<v Speaker 2>intense fire just had nowhere to go.

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<v Speaker 1>Oh man, so it just stays in there.

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<v Speaker 2>It just sits there, migrating backward into the extremely delicate

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<v Speaker 2>turbine section and literally begins melting the turbine blades from

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<v Speaker 2>the inside out.

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<v Speaker 1>So the engines are literally consuming themselves. They're melting their

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<v Speaker 1>own vital components, and Captain Dardana realizes that if he

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<v Speaker 1>lets this continue, the engines could catch fire, potentially burning

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<v Speaker 1>right through the wing supports and destroying the entire aircraft, which.

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<v Speaker 2>Leads him with an incredibly tough choice.

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<v Speaker 1>Right so he is forced to make a gut wrenching decision.

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<v Speaker 1>He reaches up and manually shuts down both engines for good.

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<v Speaker 1>He purposely kills their only source of power.

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<v Speaker 2>He turns his aircraft back into a dead stick glider,

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<v Speaker 2>knowing full well they are now totally out of options

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<v Speaker 2>for power. I mean it requires immense discipline to shut

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<v Speaker 2>down an engine when you are already falling toward the ground.

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<v Speaker 1>It really does. So we are now entering the final

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<v Speaker 1>desperate phase of this flight. They are at three thousand feet,

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<v Speaker 1>they are falling fast. New Orleans Lakefront Airport is eleven

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<v Speaker 1>miles away. They just do not have the altitude to

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<v Speaker 1>glide that far.

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<v Speaker 2>No, not even close.

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<v Speaker 1>Dardana gets back on the radio and tells the tower,

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<v Speaker 1>I don't have any power in the engines. I guess

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<v Speaker 1>we'll have to go down.

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<v Speaker 2>And air traffic control is in an absolute panic, desperately

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<v Speaker 2>scanning their maps for any stretch of concrete long enough

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<v Speaker 2>to accommodate a Boeing seven thirty seven. They radio Dardano

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<v Speaker 2>and tell him there's a straight stretch of Interstate Highway

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<v Speaker 2>directly ahead of him at twelve o'clock, about seven miles out.

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<v Speaker 1>But Dardana looks down through the weather and he knows

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<v Speaker 1>that landing a commercial airliner on a freeway packed with

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<v Speaker 1>cars is a recipe for absolute.

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<v Speaker 2>Tragical it his aviation history.

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<v Speaker 1>Eleven years prior, in nineteen seventy seven, a Southern Airways

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<v Speaker 1>flight lost both of its engines in a massive thunderstorm

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<v Speaker 1>and attempted to land on a rural highway in Georgia.

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<v Speaker 1>It was a complete disaster.

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<v Speaker 2>Yeah, that crash was horrific.

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<v Speaker 1>The plane hit a gas station and a convenience store.

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<v Speaker 1>Sixty three people died on the plane and nine people

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<v Speaker 1>in cars on the ground were killed. Dardana refuses to

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<v Speaker 1>repeat that history. He tells the tower no way.

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<v Speaker 2>He makes the calculated, incredibly brave choice to aim away

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<v Speaker 2>from populated areas. He informs a tower he's going to

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<v Speaker 2>ditch the aircraft in a large canal.

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<v Speaker 1>Back in the cabin, Liebermeister is watching the flight attendants.

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<v Speaker 1>She sees their body language completely Lee change. She later

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<v Speaker 1>described it as an unmistakable doomsday feeling.

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<v Speaker 2>Oh wow.

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<v Speaker 1>The crew yells for everyone to assume the crash position.

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<v Speaker 1>Lee has to bend forward, pressing her chest toward her knees.

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<v Speaker 1>She is absolutely terrified that the sheer force of a

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<v Speaker 1>water landing is going to violently burst her fresh surgical

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00:14:18.919 --> 00:14:20.559
<v Speaker 1>stitches wide.

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<v Speaker 2>Open and Meanwhile, the coastguard is immediately deployed. The control

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00:14:23.879 --> 00:14:26.080
<v Speaker 2>tower assumes the plane is going into the water, which

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00:14:26.120 --> 00:14:30.720
<v Speaker 2>is notoriously dangerous for airliners. I mean, water does not compress,

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00:14:31.039 --> 00:14:32.879
<v Speaker 2>and hitting it at one hundred and fifty miles per

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00:14:32.879 --> 00:14:34.960
<v Speaker 2>hour often tears airplanes to pieces.

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<v Speaker 1>But then, at the very last second, First Officer Dionysio

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<v Speaker 1>Lopez looks out the right window and spots something running

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<v Speaker 1>parallel to the canal they are aiming for is a

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<v Speaker 1>narrow grass levee. Lopez points it out and Dardana makes

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<v Speaker 1>a split second decision. He says, that's where we're going

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<v Speaker 1>to go in.

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<v Speaker 2>But here's the massive problem with that plan. They're only

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<v Speaker 2>at seven hundred feet. The ground is literally rushing up

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<v Speaker 2>at them, the levee is off to their right, and

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<v Speaker 2>they are moving way too fast.

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<v Speaker 1>So how do they get there?

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<v Speaker 2>To make this landing? Dardano has to execute a violent,

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<v Speaker 2>dramatic maneuver known as a side slip.

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<v Speaker 1>Okay, hang on a side slip. If you know anything

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00:15:09.960 --> 00:15:13.360
<v Speaker 1>about commercial aviation, A side slip and a forty three

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00:15:13.399 --> 00:15:17.360
<v Speaker 1>ton airliner so completely impossible. Isn't that a trick reserved

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<v Speaker 1>for tiny stunt planes? Or small gliders.

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<v Speaker 2>Yes, attempting a side slip in a commercial airliner borders

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00:15:23.720 --> 00:15:27.320
<v Speaker 2>on aerodynamic madness. To perform a side slip, the pilot

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00:15:27.399 --> 00:15:30.759
<v Speaker 2>deliberately crosses the flight controls. They press the rudder pedal

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00:15:30.799 --> 00:15:33.440
<v Speaker 2>hard in one direction to yaw the nose away from

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<v Speaker 2>the flight path, while simultaneously turning the yoke in the

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00:15:36.200 --> 00:15:38.679
<v Speaker 2>opposite direction to roll the wings, so.

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<v Speaker 1>He's basically sliding the massive plane sideways through the air exactly.

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<v Speaker 2>This points the side of the airplane's fuselage directly into

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<v Speaker 2>the oncoming wind. The massive side profile of a Boeing

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00:15:48.360 --> 00:15:51.480
<v Speaker 2>seven thirty seven acts like a giant air brake. It

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00:15:51.519 --> 00:15:54.960
<v Speaker 2>creates tremendous aerodynamic drag, allowing the plane to bleed off

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00:15:55.000 --> 00:15:58.360
<v Speaker 2>altitude extremely rapidly without picking up forward air speed.

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<v Speaker 1>So to muscle a f forty three ton jet into

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00:16:01.840 --> 00:16:05.240
<v Speaker 1>a side slip, drop it precisely onto a narrow strip

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00:16:05.279 --> 00:16:08.320
<v Speaker 1>of grass, all while missing an eye, dodging a high

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00:16:08.320 --> 00:16:10.960
<v Speaker 1>concrete wall at the front of the levee, and knowing

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00:16:11.000 --> 00:16:13.960
<v Speaker 1>you have absolutely no engine thrust a throw into reverse

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00:16:13.960 --> 00:16:15.960
<v Speaker 1>to slow you down on the wet grass. I mean,

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00:16:16.000 --> 00:16:18.799
<v Speaker 1>it demands an almost superhuman level of piloting skill.

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<v Speaker 2>It really does. It's legendary.

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<v Speaker 1>He holds the slip until the last possible second, kicks

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00:16:22.879 --> 00:16:25.399
<v Speaker 1>the nose straight, and touches down. One wheel hits the grass,

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00:16:25.440 --> 00:16:28.320
<v Speaker 1>then the other. The automatic spoilers pop up on the

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00:16:28.320 --> 00:16:31.720
<v Speaker 1>wings to kill the remaining lift. The passengers brace for

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00:16:31.840 --> 00:16:35.480
<v Speaker 1>a horrific impact, but Lee Burmeister later described the touchdown

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<v Speaker 1>as unbelievably smooth.

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<v Speaker 2>That's incredible path.

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00:16:38.080 --> 00:16:40.559
<v Speaker 1>There wasn't even a heavy bump. The plane skids along

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00:16:40.600 --> 00:16:42.879
<v Speaker 1>the wet grass. The pilot's just standing on the wheel

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00:16:42.879 --> 00:16:46.159
<v Speaker 1>brakes and comes to a complete safe halt just before

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00:16:46.200 --> 00:16:49.759
<v Speaker 1>the end of the levee. Everyone is alive. Lee's surgical

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00:16:49.840 --> 00:16:53.440
<v Speaker 1>stitches are perfectly intact. It is nothing short of a miracle.

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00:16:53.159 --> 00:16:56.039
<v Speaker 2>It really is. Once the adrenaline wears off and the

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00:16:56.039 --> 00:17:00.639
<v Speaker 2>passengers evacuate down the emergency slides, the immediate crisis concludes.

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<v Speaker 2>But you know, the arrival of the federal investigators signals

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00:17:05.359 --> 00:17:08.039
<v Speaker 2>the beginning of a massive, industry wide mystery.

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00:17:08.400 --> 00:17:11.400
<v Speaker 1>Totally, and the actual location of their landing adds a

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00:17:11.440 --> 00:17:14.319
<v Speaker 1>bizarre twist to the story. They managed to land on

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00:17:14.359 --> 00:17:16.640
<v Speaker 1>a grass levee that just happened to be located on

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00:17:16.680 --> 00:17:20.240
<v Speaker 1>the grounds of the NASA Micheaux Assembly Facility, which is

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00:17:20.400 --> 00:17:24.200
<v Speaker 1>the exact location where they manufacture the massive external fuel

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00:17:24.240 --> 00:17:25.400
<v Speaker 1>tanks for the Space Shuttle.

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<v Speaker 2>Yeah, talk about a coincidence.

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00:17:27.160 --> 00:17:30.920
<v Speaker 1>So you have this pristine, multimillion dollar Boeing seven thirty

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00:17:30.920 --> 00:17:33.880
<v Speaker 1>seven sitting on NASA's front lawn like a parked car.

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00:17:34.400 --> 00:17:37.079
<v Speaker 1>But the problem is it's incredibly heavy and it's slowly

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<v Speaker 1>starting to sink into the soft, muddy earth of the levee.

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<v Speaker 2>Right, So the airline and the investigators had to figure

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<v Speaker 2>out how to retrieve the aircraft. Disassembling a brand new

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<v Speaker 2>jet would cause millions of dollars in damage. Putting it

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00:17:49.839 --> 00:17:53.319
<v Speaker 2>on a barge to float it away proved logistically impossible, So.

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00:17:53.319 --> 00:17:56.440
<v Speaker 1>They decign on the most outrageous solution imaginable. They are

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00:17:56.480 --> 00:17:57.799
<v Speaker 1>going to fly it off the grass.

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00:17:57.880 --> 00:17:58.559
<v Speaker 2>I love this part.

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00:17:58.759 --> 00:18:02.240
<v Speaker 1>Mechanics actually replaced the cooked right engine right there in

379
00:18:02.279 --> 00:18:04.759
<v Speaker 1>the mud. They strip the plane of every single outs

380
00:18:04.759 --> 00:18:08.039
<v Speaker 1>of excess weight, removing passenger seats, galley equipment, and dreading

381
00:18:08.079 --> 00:18:10.839
<v Speaker 1>all but the absolute minimum amount of fuel needed.

382
00:18:11.039 --> 00:18:13.920
<v Speaker 2>Just getting it as light as physically possible exactly.

383
00:18:14.319 --> 00:18:19.200
<v Speaker 1>They bring in specialized Boeing test pilots and incredibly they

384
00:18:19.240 --> 00:18:22.359
<v Speaker 1>spool up the engines, tear down this short three hundred

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00:18:22.400 --> 00:18:25.519
<v Speaker 1>and sixty five meter grass strip, and successfully take off,

386
00:18:25.920 --> 00:18:28.400
<v Speaker 1>flying the plane the short distance to the airport in

387
00:18:28.440 --> 00:18:31.799
<v Speaker 1>New Orleans. It is the wildest epilogue to a crash

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00:18:31.920 --> 00:18:33.519
<v Speaker 1>landing in aviation history.

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00:18:33.680 --> 00:18:35.960
<v Speaker 2>It is wild. But while the plane is saved, the

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00:18:36.000 --> 00:18:39.200
<v Speaker 2>investigators in the National Transportation Safety Board and the FAA

391
00:18:39.480 --> 00:18:42.160
<v Speaker 2>are deeply troubled. The engines in that plane were the

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00:18:42.200 --> 00:18:45.880
<v Speaker 2>CFM fifty six model. These engines were renowned for their reliability.

393
00:18:45.880 --> 00:18:48.160
<v Speaker 1>They were used everywhere, right everywhere.

394
00:18:48.240 --> 00:18:50.839
<v Speaker 2>Yeah, they powered not just the Boeing seven thirty seven,

395
00:18:50.880 --> 00:18:54.119
<v Speaker 2>but airbus airliners and military tanker planes around the globe.

396
00:18:54.400 --> 00:18:56.519
<v Speaker 2>So flying through heavy rain and hail can cause a

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00:18:56.599 --> 00:19:00.000
<v Speaker 2>dual engine failure. Thousands of planes flying every single time,

398
00:19:00.079 --> 00:19:02.480
<v Speaker 2>they are at immediate catastrophic risk.

399
00:19:02.720 --> 00:19:06.000
<v Speaker 1>To solve this, investigators ship the damaged engines to the

400
00:19:06.079 --> 00:19:10.880
<v Speaker 1>General Electric Testing Finality in Ohio. GE designed these engines

401
00:19:10.920 --> 00:19:14.759
<v Speaker 1>and they have specialized rigs for testing them under extreme conditions. Right,

402
00:19:15.039 --> 00:19:19.640
<v Speaker 1>the investigators recreate the FAA's stripped standard for water ingestion testing.

403
00:19:20.079 --> 00:19:22.200
<v Speaker 1>They fire up the engine and blast it with high

404
00:19:22.200 --> 00:19:26.359
<v Speaker 1>speed water from massive cannons, literally simulating flying through a

405
00:19:26.359 --> 00:19:27.440
<v Speaker 1>torrential downpour.

406
00:19:27.799 --> 00:19:31.680
<v Speaker 2>They spray unbelievable amounts of water directly into the roaring

407
00:19:31.759 --> 00:19:35.880
<v Speaker 2>fan blades, and the engines perform flawlessly. They do not stutter,

408
00:19:35.960 --> 00:19:37.279
<v Speaker 2>they do not lose RPMs.

409
00:19:37.480 --> 00:19:39.960
<v Speaker 1>So the investigators are scratching their heads. They know the

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00:19:39.960 --> 00:19:42.640
<v Speaker 1>plane got battered by hail. I mean the dents on

411
00:19:42.680 --> 00:19:45.160
<v Speaker 1>the nose of the plane prove it. So they calculate

412
00:19:45.240 --> 00:19:48.319
<v Speaker 1>the massive volume of one inch hal the plane must

413
00:19:48.359 --> 00:19:50.400
<v Speaker 1>have encountered in that specific.

414
00:19:49.920 --> 00:19:51.799
<v Speaker 2>Storm cell, which is a huge amount of ice.

415
00:19:51.960 --> 00:19:54.960
<v Speaker 1>Yes, they convert that solid ice volume into a liquid

416
00:19:54.960 --> 00:19:58.000
<v Speaker 1>water equivalent, and they blast the engines again, flooding them

417
00:19:58.000 --> 00:20:00.799
<v Speaker 1>with even more water than before. Fill the engines hum

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00:20:00.880 --> 00:20:01.640
<v Speaker 1>along perfectly.

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00:20:02.160 --> 00:20:05.039
<v Speaker 2>This is where the frustration really sets in for an

420
00:20:05.079 --> 00:20:09.000
<v Speaker 2>AXIT investigator. According to the strict FAA rulebook and all

421
00:20:09.039 --> 00:20:13.200
<v Speaker 2>their scientific models, this dual engine failure should be impossible.

422
00:20:13.880 --> 00:20:18.240
<v Speaker 2>The engine was designed to swallow a virtual monsoon without choking, right,

423
00:20:18.640 --> 00:20:21.039
<v Speaker 2>So if the test prove the design works, what crucial

424
00:20:21.160 --> 00:20:22.359
<v Speaker 2>variable are they missing?

425
00:20:22.680 --> 00:20:25.119
<v Speaker 1>Well, Their investigators use a borescope, which is a long

426
00:20:25.240 --> 00:20:28.079
<v Speaker 1>flexible camera on a wire to look deep inside the

427
00:20:28.079 --> 00:20:32.000
<v Speaker 1>engine components. They are looking for physical damage from the ice.

428
00:20:32.599 --> 00:20:36.200
<v Speaker 1>Did a hailstone crack a compressor blade? Did ice smash

429
00:20:36.200 --> 00:20:39.680
<v Speaker 1>a sensor? But they find absolutely nothing, nothing at all.

430
00:20:39.880 --> 00:20:43.079
<v Speaker 1>The compressor blades are pristine. The only damage is the

431
00:20:43.119 --> 00:20:45.559
<v Speaker 1>melted turbine blades at the back, which they already know

432
00:20:45.680 --> 00:20:47.960
<v Speaker 1>was caused by the hot start after the initial failure.

433
00:20:48.079 --> 00:20:50.039
<v Speaker 1>So what the heck caused the flames to go out

434
00:20:50.079 --> 00:20:50.799
<v Speaker 1>in the first place.

435
00:20:50.960 --> 00:20:53.680
<v Speaker 2>The big breakthrough, that sort of aha moment, comes when

436
00:20:53.680 --> 00:20:56.079
<v Speaker 2>they analyze the data from the flight data recorder, the

437
00:20:56.119 --> 00:20:59.799
<v Speaker 2>black box. The investigators look at the exact operational parameters

438
00:20:59.799 --> 00:21:02.720
<v Speaker 2>at the airplane in the minutes just before they entered the.

439
00:21:02.640 --> 00:21:03.680
<v Speaker 1>Store, and what do they find?

440
00:21:03.880 --> 00:21:07.839
<v Speaker 2>They noticed something vital. Air Traffic control had just cleared

441
00:21:07.880 --> 00:21:11.160
<v Speaker 2>TACA one to ten to descend from their cruising altitude

442
00:21:11.519 --> 00:21:13.039
<v Speaker 2>down to four thousand feet.

443
00:21:13.200 --> 00:21:15.440
<v Speaker 1>Okay, and when a plane is cleared to descend, the

444
00:21:15.480 --> 00:21:18.480
<v Speaker 1>pilot doesn't just point the nose down. The auto throttle

445
00:21:18.559 --> 00:21:21.319
<v Speaker 1>automatically pulls back the power to slow the plane down

446
00:21:21.359 --> 00:21:24.079
<v Speaker 1>as it drops. The flight data shows that just as

447
00:21:24.119 --> 00:21:26.640
<v Speaker 1>they hit the storm, the engines were throttled down to

448
00:21:26.720 --> 00:21:28.319
<v Speaker 1>roughly thirty five percent.

449
00:21:28.119 --> 00:21:30.759
<v Speaker 2>Power, you were essentially running at idle speed right.

450
00:21:30.880 --> 00:21:33.960
<v Speaker 1>So, armed with this new variable, the investigators go back

451
00:21:34.000 --> 00:21:37.240
<v Speaker 1>to the ge test facility in Ohio. They run the

452
00:21:37.279 --> 00:21:40.759
<v Speaker 1>massive water and hail ingestion test one more time, but

453
00:21:40.839 --> 00:21:43.519
<v Speaker 1>this time, instead of running the engine at full cruising power,

454
00:21:43.920 --> 00:21:45.920
<v Speaker 1>they dial the engine speed all the way down to

455
00:21:45.960 --> 00:21:49.079
<v Speaker 1>thirty five percent. Yep, they turn on the water cannons and.

456
00:21:49.039 --> 00:21:52.240
<v Speaker 2>The engines fail almost immediately. The flame is snuffed out

457
00:21:52.400 --> 00:21:53.559
<v Speaker 2>and the engine just dies.

458
00:21:53.799 --> 00:21:57.400
<v Speaker 1>It's a stunning revelation. But if you are not an

459
00:21:57.440 --> 00:22:00.119
<v Speaker 1>aerospace engineer, you might be wondering why the speed of

460
00:22:00.160 --> 00:22:03.079
<v Speaker 1>the engine matters so much. Why does a slow engine

461
00:22:03.160 --> 00:22:05.799
<v Speaker 1>die when a fast engine survives the exact same amount

462
00:22:05.839 --> 00:22:06.279
<v Speaker 1>of water.

463
00:22:06.680 --> 00:22:10.200
<v Speaker 2>It comes down to the physics of centrifugal force. At

464
00:22:10.319 --> 00:22:14.160
<v Speaker 2>high speeds, like during takeoff or normal cruising, the giant

465
00:22:14.200 --> 00:22:16.480
<v Speaker 2>fan blades at the front of the engine are spinning

466
00:22:16.759 --> 00:22:20.960
<v Speaker 2>incredibly fast. Ok So when heavy rain or hail hits

467
00:22:21.000 --> 00:22:25.039
<v Speaker 2>those fast moving blades, centrifugal force acts like a centrifuge.

468
00:22:25.680 --> 00:22:29.359
<v Speaker 2>It physically flings the heavy water and ice outward away

469
00:22:29.400 --> 00:22:32.480
<v Speaker 2>from the delicate hot core in the center of the engine.

470
00:22:32.519 --> 00:22:35.279
<v Speaker 2>The ice gets thrown into the bypass duct, which is

471
00:22:35.319 --> 00:22:37.079
<v Speaker 2>the outer ring of the engine, where it just flows

472
00:22:37.079 --> 00:22:38.039
<v Speaker 2>harmlessly out the back.

473
00:22:38.319 --> 00:22:41.000
<v Speaker 1>Okay, that makes sense, But at low speeds, like during

474
00:22:41.000 --> 00:22:43.720
<v Speaker 1>a descent, when the engines are idling at thirty five percent,

475
00:22:43.880 --> 00:22:46.119
<v Speaker 1>those fan blades are spinning much much.

476
00:22:46.039 --> 00:22:50.319
<v Speaker 2>Slower exactly, and slower blades mean significantly less centrifical force.

477
00:22:50.799 --> 00:22:54.160
<v Speaker 2>The hailstones, carrying massive velocity and momentum from the storm

478
00:22:54.279 --> 00:22:57.240
<v Speaker 2>were not flung outward. Instead, they were able to slip

479
00:22:57.359 --> 00:23:01.039
<v Speaker 2>right through the physical gaps between the slower moving fan blades. Yeah,

480
00:23:01.079 --> 00:23:04.279
<v Speaker 2>they hail bypassed the outer duck entirely and dumped straight

481
00:23:04.319 --> 00:23:08.039
<v Speaker 2>into the blazing hot core the engine. Once inside the compressor,

482
00:23:08.440 --> 00:23:12.440
<v Speaker 2>that massive volume hiz instantly melted into an overwhelming flood

483
00:23:12.440 --> 00:23:16.240
<v Speaker 2>of water, completely drowning the combustion chamber and snuffing out

484
00:23:16.279 --> 00:23:16.640
<v Speaker 2>the fire.

485
00:23:17.160 --> 00:23:21.200
<v Speaker 1>It was basically an issue of terrible catastrophic timing. The

486
00:23:21.240 --> 00:23:23.960
<v Speaker 1>storm caught them at the exact moment their armor was down.

487
00:23:24.279 --> 00:23:27.400
<v Speaker 1>They were most vulnerable because they were doing exactly what

488
00:23:27.440 --> 00:23:29.039
<v Speaker 1>they were supposed to be doing descending.

489
00:23:29.359 --> 00:23:33.480
<v Speaker 2>Once the investigators understood this specific mechanism. The fix was

490
00:23:33.519 --> 00:23:38.519
<v Speaker 2>remarkably straightforward. Aviation safety is highly collaborative. When a flaw

491
00:23:38.599 --> 00:23:40.559
<v Speaker 2>is found, the industry moves quickly.

492
00:23:40.680 --> 00:23:42.960
<v Speaker 1>Did they have to completely redesign the engine?

493
00:23:43.160 --> 00:23:46.720
<v Speaker 2>No, they didn't have to completely redesign the entire engine. Instead,

494
00:23:46.880 --> 00:23:49.559
<v Speaker 2>engineers slightly reshaped the engine nose cones the spinner at

495
00:23:49.599 --> 00:23:52.079
<v Speaker 2>the very front, and tweaked the spacing and angle of

496
00:23:52.119 --> 00:23:54.880
<v Speaker 2>the fan blades to ensure they deflected hail outward into

497
00:23:54.960 --> 00:23:57.640
<v Speaker 2>the bypass duct even at low idle speeds.

498
00:23:57.799 --> 00:23:58.640
<v Speaker 1>Oh, that's smart.

499
00:23:58.759 --> 00:24:01.799
<v Speaker 2>And they also added X bleed doors to the engine corps,

500
00:24:02.039 --> 00:24:05.480
<v Speaker 2>which acted like drains to expel excess water much faster

501
00:24:06.039 --> 00:24:08.359
<v Speaker 2>if it did somehow manage to get inside, and.

502
00:24:08.279 --> 00:24:12.200
<v Speaker 1>The solution worked flawlessly. Within a year, every Boeing seven

503
00:24:12.319 --> 00:24:15.160
<v Speaker 1>thirty seven three hundred in the world was retrofitted with

504
00:24:15.200 --> 00:24:19.960
<v Speaker 1>these mechanical upgrades. Because of this investigation, that exact engine

505
00:24:19.960 --> 00:24:22.079
<v Speaker 1>failure scenario has never happened again.

506
00:24:22.519 --> 00:24:25.319
<v Speaker 2>As for the human legacy of this flight, Captain Carlos

507
00:24:25.319 --> 00:24:29.200
<v Speaker 2>Stardano was rightfully celebrated as an absolute hero. He saved

508
00:24:29.240 --> 00:24:32.440
<v Speaker 2>forty five lives that day, executing a maneuver with one

509
00:24:32.480 --> 00:24:35.079
<v Speaker 2>eye that most pilots would struggle to perform in a

510
00:24:35.119 --> 00:24:38.960
<v Speaker 2>computerized simulator totally. His legacy lives on in his family today.

511
00:24:39.160 --> 00:24:41.079
<v Speaker 2>Both his son and daughter have actually followed it in

512
00:24:41.119 --> 00:24:43.880
<v Speaker 2>his footsteps and fly as commercial pilots themselves.

513
00:24:43.960 --> 00:24:46.440
<v Speaker 1>That is so cool, and Lee Burmeister made at home.

514
00:24:46.640 --> 00:24:49.799
<v Speaker 1>She survived an unpowered ditching in a commercial airliner, sliding

515
00:24:49.839 --> 00:24:52.640
<v Speaker 1>sideways onto a muddy levee without popping a single stitch

516
00:24:52.680 --> 00:24:53.279
<v Speaker 1>in her stomach.

517
00:24:53.559 --> 00:24:56.440
<v Speaker 2>The story of TACA one to ten stands as an

518
00:24:56.440 --> 00:25:01.000
<v Speaker 2>incredible testament to two things, the sheer resilience and skill

519
00:25:01.079 --> 00:25:05.640
<v Speaker 2>of human beings under unimaginable pressure, and the rigorous, unyielding

520
00:25:05.720 --> 00:25:10.000
<v Speaker 2>nature of modern accident investigation. They refuse to stop testing

521
00:25:10.079 --> 00:25:11.119
<v Speaker 2>until they found the truth.

522
00:25:11.359 --> 00:25:13.880
<v Speaker 1>It really is a masterclass and problem solving. You know,

523
00:25:14.279 --> 00:25:16.920
<v Speaker 1>looking back at all the technical details and the sheer

524
00:25:17.039 --> 00:25:20.759
<v Speaker 1>terror of this flight, there's a lingering thought I cannot

525
00:25:20.839 --> 00:25:24.039
<v Speaker 1>quite shake. What's that When we face a crisis, or

526
00:25:24.079 --> 00:25:27.440
<v Speaker 1>when we see turbulence ahead, we always assume that slowing down,

527
00:25:27.559 --> 00:25:30.799
<v Speaker 1>throttling back and descending is the safest course of action.

528
00:25:31.279 --> 00:25:33.559
<v Speaker 1>You pull back the power to get closer to the ground,

529
00:25:33.559 --> 00:25:34.200
<v Speaker 1>to find.

530
00:25:34.039 --> 00:25:35.640
<v Speaker 2>Safety, right it's instinctual.

531
00:25:36.000 --> 00:25:38.759
<v Speaker 1>But in this case, the very act of reducing power,

532
00:25:38.799 --> 00:25:42.880
<v Speaker 1>the standard universally accepted, perfectly safe procedure for descent, was

533
00:25:42.960 --> 00:25:45.799
<v Speaker 1>exactly the thing that made the plane vulnerable to the ice.

534
00:25:46.200 --> 00:25:48.160
<v Speaker 1>It is the action that almost brought them down.

535
00:25:48.359 --> 00:25:49.680
<v Speaker 2>That's a fascinating point.

536
00:25:49.759 --> 00:25:51.559
<v Speaker 1>It leaves you wondering, you know, in your own life,

537
00:25:51.559 --> 00:25:54.480
<v Speaker 1>how often do the standard quote unquote safe procedures you

538
00:25:54.519 --> 00:25:57.319
<v Speaker 1>rely on every day actually blind you to the unique,

539
00:25:57.319 --> 00:25:59.240
<v Speaker 1>invisible storms you're flying right into.

540
00:25:59.519 --> 00:26:01.960
<v Speaker 2>Yeah, sometimes the mask of storm wears isn't just a

541
00:26:02.000 --> 00:26:06.079
<v Speaker 2>technological glitch on a radar screen. Sometimes the true danger

542
00:26:06.319 --> 00:26:09.119
<v Speaker 2>is hidden right in the false comfort of our own routine.

543
00:26:09.640 --> 00:26:11.759
<v Speaker 1>Keep your eyes open out there. We will see you

544
00:26:11.960 --> 00:26:13.119
<v Speaker 1>on the next deep dive.
