FL PC-12 Accident Kills Family of 6

Inverted said:
Of course thats most likely what happened judging from the flat attitude the airplane is resting at, and showing no signs of of sliding across the ground.
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Well, it certainly looks as though it hit the ground pretty flat, but one sort of imagines that the stall/spin/whatever might have occurred subsequent to the pieces coming off the airframe for four miles, if indeed that information is accurate.
 
MikeD said:
Lots of assumptions here.

For the bold part, there are many impact forces that the human body cannot survive, which won't be apparent in airframe damage. Don't ever assume that just because there may not be an apparent loss of occupiable space, that it instantly means the accident was survivable. There are a host of variables that can come in-between that cause/effect relationship you are trying to make. Don't fall into the trap of A + B =G.

In accident investigation, nothing is required to mean anything, and not everything automatically equates to something.
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Yeah that's why I hate assuming. We actually just discussed the very topic in class of getting an airplane on the ground in one piece but still hitting with enough force that it'll kill you. Just sucks to see.
 
Inverted said:
The first picture looks like there is somebody in the right seat as well.

I felt much safer in the PC-12 than a bunch of twins I have flown, it is such a solid airplane. The engine trouble could have been caused by an in-flight breakup, loss of the prop causing a fire etc. But that airframe looks very intact for a stall/spin scenario. Of course thats most likely what happened judging from the flat attitude the airplane is resting at, and showing no signs of of sliding across the ground.
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Wouldn't it make sense that the wife, or one of the kids was in the front seat with him? I'm sure this wasn't his first airplane, and I'd assume she sat in the front on the Bonanza/Baron/Mooney, etc. he owned prior to the Platypus. And for the kids... I'm sure it was a thrill to sit up front with dad. Wouldn't we all have liked to have been that kid? :biggrin:

Very sad. That's going to be a report worth reading.
 
Sad. I only hope that poor kid didn't suffer.

As retarded as it may sound, at least they all went together. I can't imagine how people feel when their whole fmaily is wiped out yet they survive...what do you have to live for at that point?
 
SteveCostello said:
One story I read this morning mentioned a witness that heard strange mechanical noises coming from the plane before it impacted the ground. Said that the prop or the engine sounded very strange, and that something was definitely wrong with it. :(
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Sounds like every witness account to every accident that has ever happened. Witnesses in plane crashes have proved to be very unreliable.
 
Pilotdude3407 said:
Sounds like every witness account to every accident that has ever happened. Witnesses in plane crashes have proved to be very unreliable.
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I can't remember which accident but I think it was UA 585, anyway, I was watching the news coverage immediately after and they interviewed a person who said they had made eye contact with the copilot, and that is when the crew turned the plane to miss him, all the while the captain was waving something red, what he thought were flags, in the cockpit window.

It is pretty amazing what people see when processing something highly unusual to them while simultaneously dealing with the stress of witnessing a disaster.
 
Cazadores said:
I can't remember which accident but I think it was UA 585, anyway, I was watching the news coverage immediately after and they interviewed a person who said they had made eye contact with the copilot, and that is when the crew turned the plane to miss him, all the while the captain was waving something red, what he thought were flags, in the cockpit window.
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That was the little boy interviewed by the news. I remember watching that very interview.
 
Not to sound macabre, but in the incidents where people have been sucked (UAL811 AAH 243) or thrown out of a compromised airframe, are those people alive in the fall, or are there forces acting on the body which causes them to go unconscious? I cannot even imagine what that poor kid endured.
 
Canassis said:
Not to sound macabre, but in the incidents where people have been sucked (UAL811 AAH 243) or thrown out of a compromised airframe, are those people alive in the fall, or are there forces acting on the body which causes them to go unconscious? I cannot even imagine what that poor kid endured.
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Depends, on any number of factors. Altitude, speed, etc. They might be, or they might not be. In UA811, some pax went down the #3 engine, so that is self-explanatory.
 
Geez. The flight data from FlightAware.com tells a bit of a story. Everything leading up to the first two rows shown here seems fine, then they are down to 60kts... then suddenly up to 255. Criminy... http://flightaware.com/live/flight/N950KA/history/20120607/1530Z/KFPR/3JC/tracklog

TIME....Course KTS MPH Altitude Rate
11:32....291°..147.169 24,700.. 480
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11:33.... 87°..147.169 25,200.. 600
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11:34.... 57°.. 68. 78 26,000.. 360
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11:35.... 43°.. 60. 69 26,000..
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11:36.... 43°..255.293 26,000..
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11:37.... 43°..255.293 26,000..
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11:38....309°..255.293 26,000..-720
12:14....317°................. -720
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MikeD said:
Depends, on any number of factors. Altitude, speed, etc. They might be, or they might not be. In UA811, some pax went down the #3 engine, so that is self-explanatory.
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I'll take that (getting sucked into the fans) over the fall. Those variables make sense, have there been any studies on what the airspeed limits of the human body are? Altitude is pretty easy to figure out, I'd guess. Some quick math formula computing time, temp, and altitude will figure that out.

What does ejection seat data show about the forces of airspeed on the human body?
 
Canassis said:
What does ejection seat data show about the forces of airspeed on the human body?
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Flail injuries at a minimum. That's assuming no instant asphyxiation from either altitude or by injuries incurred in the ejection from the aircraft.

But without knowing the dynamics of how the child ended up outside the aircraft in the first place, this is all speculation. And without being on scene and not part of the investigation, I don't like to speculate too much.
 
Terminal velocity of a human body? It's not really that high in perspective.
 
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