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Posted

This was terrible to see. Listening to the pilot talk to the traffic control made it harder. I don’t know how they can piece together what happened from the wreckage, surely there will be nothing left that could help.

sad for everyone involved onboard and on the ground.

 

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Posted

The co-pilot was Nathalia Filgueiras. She was almost 21, got her licence at 17, had 1300 hours and had been with the company for nine months. Such a tragedy. 

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Posted

It's looks like they flew straight into a large  storm.  The hs appears to be missing but the photos are blurry .

Posted

On our flight home from Oshkosh '23 RFguy and I had the pleasure of hearing the captain announcing one hour into our flight that we would be returning to LA due to a fault in the aircrafts weather radar. Very inconvenient but better than being dead. 

 

As Juan Browne, blancolirio, often points out, the safety record for part 135 charter ops is very poor compared with part 121 airline ops. I guess charter has more freedom.

Screenshot_20230805-063226_Flightradar24.jpg

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Posted

From what I have been reading people are saying the Learjet was given options to go around the storm cell by atc but the pilot chose to fly straight into it.  

Very sad outcome for what could have a small diversion.

It will be interesting to see what juane Browne and co have to say .

 

 

Posted

The still shot of it just before impact does not show the wings at all. Whether this is due to the camera or the velocity of the aircraft or they had already been ripped off, I don't know. It hit the ground like a missile.

Posted
1 hour ago, kgwilson said:

The still shot of it just before impact does not show the wings at all. Whether this is due to the camera or the velocity of the aircraft or they had already been ripped off, I don't know. It hit the ground like a missile.

There is one that shows the wings but no horizontal stabiliser

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Posted

Well structured hypothesis & likely on the money. The few seconds of audio and ADSB/radar data just before impact is quite frightening.

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Posted

The co-pilot first reported ice that they were able to manage. Very soon after she reported precipitation as they started to climb higher with an OAT of -47C. The precipitation probably became ice as soon as it hit the plane. A weather radar plot I saw showed them tracking straight through a storm cell.

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Posted
4 hours ago, BrendAn said:

From what I have been reading people are saying the Learjet was given options to go around the storm cell by atc but the pilot chose to fly straight into it.  

Very sad outcome for what could have a small diversion.

It will be interesting to see what juane Browne and co have to say .

 

 

I hope it wasn't deliberate. Isn't NOT flying into a storm, particularly cumulonimbus,  Weather 101?

 

Was heartbreaking to hear the co pilot. Imagine trying to resource manage in that situation. That she was still using the call sign and describing what was happening shows good training on her part I reckon. I haven't heard about the other pilot though.

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Posted

The captain was a very experienced pilot from what I’ve read. Still, every pilot is only one bad decision away from disaster, no matter how experienced they might be. 

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Posted (edited)

Juan Browne has good info on aircraft weather radar operation. He also announced his retirement as first officer on the 777 yesterday. 

 

 

Edited by Thruster88
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Posted
2 hours ago, rgmwa said:

The captain was a very experienced pilot from what I’ve read. Still, every pilot is only one bad decision away from disaster, no matter how experienced they might be. 

how hard was it to deviate a few deg and go around the storm cell.  i feel sorry for the family of 4 that died because of this .

a mother , father, 2 kids and their nanny plus 2 family freinds.

Posted

Yes on the face of it, it seems like a totally preventable accident assuming they had weather radar, that it was working properly, they had enough fuel and were not being pressured to take risky shortcuts. ATC was telling them about the storms and I assume they had other sources of weather data available in the cockpit, even if those systems might have had some display lag. 

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Posted

Ok, I'll ask a question that is bugging me.

 

They were at FL370 - so I hear - and ran into icing.

 

I'm not good at converting feet to miles/hour, but their descent rate!!!!

 

My question/s:

Things fall at a terminal velocity.

348 knots....   (Mentioned above)  To KPH... (Nearly double)   That's 600+

Nothing has a terminal velocity of 600+ kph.   Well, not that jet at least.

 

So:  you lose control input.  You are going down with no choice.  Given.

And yeah, you will probably stall.

 

(What was that movie way back based on real events:   Denzel Washington..... Passenger jet horizontal stab locks up and he flys the plane upside down and gets away with it but gets pinged for drinking?)

 

So pulling back doesn't work.   Push forward and get the plane upside down and reduce the rate of descent.

MOST OF ALL!!!   Engines to flight idle!!

You don't need to help gravity to get you on the ground by leaving the throttles at full/flight setting.

You are going to 99.99% chance hit the ground.  Don't make it happen any quicker than it needs to be.

 

Someone?

 

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Posted

Thing is, it's looking like once it over sped, the elevator came off. 

 

Regards terminal velocity, I don't know physics, but ai tells me a jet could get to 500 mph in an unpowered dive 🤷

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Posted
56 minutes ago, danny_galaga said:

Thing is, it's looking like once it over sped, the elevator came off. 

 

Regards terminal velocity, I don't know physics, but ai tells me a jet could get to 500 mph in an unpowered dive 🤷

 

But how did it get to overspeed?

 

What would be the terminal velocity of the jet?

 

I've just watched a long breakdown of what happened and I'm more confused - kinda.

 

Let me explain:

Yeah, we've all seen the clips, the plane dives straight into the ground - nose first.

Problem - for me:

So they got hit with ice.   Aerodynamic stall/what ever.

This would mean (maybe) a wing stalls and the plane drops a wing.

Spiral down.

Or an extreme stall - both wings stalled and the `T` tail can't push the nose down to regain airspeed.

 

So the plane would ..... (what's a word?) flutter (yeah, not the best, but indulge me) down.   Spinning or yawing, or SOMETHING.

 

The clips showed it clearly going node first into the ground.  No spin (z axis) no yaw.....

So I don't understand how - if a wing was iced up - it would get into such an attitude.

P.S.   I'm not the sharpest tool in the box.

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