Here's the problem...
This item updates item '(Must Watch!!) Plane crash video from inside cockpit '
This image illustrates the problem the pilot had flying in high density altitude conditions. It appears that the pitch attitude is about 17 degrees, while the aircraft is not gaining altitude. Even if the measurement here is off by a degree or two, it's obvious that the aircraft was flying just short of stall.
Note to self: if ever in a situation like this, land on the remaining runway; or land in the field before the trees; and try to crash as well as these guys did.
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man fly plane... man crash plane... man blame air..
Posted Aug-8-2012 ByDiverdanm (398.32) 
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@Diverdanm Don't know why you got rated down, thats quite funny
Posted Aug-9-2012 Bytugpilotsmiffy (92.24) 
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Excellent analysis!
Posted Aug-8-2012 Byblue-navigator (118.26) 
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Good observation
Posted Aug-8-2012 Bymorelman2 (738.52) 
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Sounds right to me. I'm not a pilot but do understand lift / drag / stall - why was the flaps fully retracted? Would the flaps not have helped?
Posted Aug-9-2012 ByAsterix (235.20) 
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@Asterix Flaps increase lift, but at a disproportionate increase in drag. Normally this is not an issue, when the aircraft has ample additional power available to counteract the drag... but if one is trying to eke out the last bit of performance out of a plane, often (but not always), the safest place is with the flaps retracted. The point being to get to the front side of the power curve.
Posted Aug-9-2012 Byaki009 (191.86) aki009 View Channel Send Message
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@aki009
Thanks, that's a good explanation. From the video it is clear this plane was on the edge - too heavy and did not have additional power.
Posted Aug-9-2012 ByAsterix (235.20) 
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I would agree that angle of attack might be accurate in relation to the visible horizon, but it looks to be all foothills.
Edit: Seems one of the passengers reported a downdraft was the final blow.
http://dms.ntsb.gov/aviation/AccidentReports/djybdk45ijgdwc45xfl4r1451/ O08082012120000.pdf
Posted Aug-8-2012 ByOne Ballock (422.80) One Ballock View Channel Send Message
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Also keep in mind that terrain could be a rising (in elevation) horizon, with this image presenting a small visual illusion (if assuming or hoping that terrain was level).
From the front aspect video, it clearly seems to be the case.
So for that, add a few more degrees of rising terrain to the climb requirements/AOA estimation.
Although old, I think those good old military Goose Bay "Visual Illusions" low-level safety videos could still be quite valuable for any private pilots in sim More..
Posted Aug-9-2012 ByFalconFly (45.04) FalconFly View Channel Send Message
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This guy is stalling and he's got no flaps down. I would have rolled in 10 degrees of flaps that may have been just enough to let him continue flight.
I got this same sinking feeling flying into and out of Lake Tahoe Airport.
On the landing I hit the runway like a sack of bricks as the plane stopped flying just little bit earlier than I was use to.
On the way out I got off just fine but as I started out over the lake to cool water created a downdraft I had a lot more power than the plane in th More..
Posted Aug-8-2012 Bypiyoti (226.02) 
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Forget all the aerodynamics shit and piloting crap. It was a bunch of blokes on a wilderness trip. No way was that thing ever gonna fly properly with half a ton of beer in the back!
Posted Aug-9-2012 Bylozzah666 (65.04) lozzah666 View Channel Send Message
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Forgive my ignorance but wouldn't the combination of high altitude and warm air conditions cause low-density air?
Posted Aug-8-2012 ByMeathead12 (690.00) Meathead12 View Channel Send Message
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@Meathead12 Given Bruce Meadows Airport (U63) has an elevation of 6,370', the air temperature was 26 C, and the relative humidity was approximately 14%, the air density at the time of the incident was ~0.0578 kg/m^3. If this occurred at sea level, the air density would've been ~0.0731 kg/m^3.
Posted Aug-8-2012 ByOne Ballock (422.80) One Ballock View Channel Send Message
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@Meathead12
Both you and One Ballock are right - and low-density is bad for lift, engine, and propeller efficiency...
Posted Aug-8-2012 ByAlly_Gator (504.00) 
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thanks for explaining doofus like we understands something now, all we know is that we should stay away from you and your silly plane
Posted Aug-9-2012 Bywaeil (28.00) 
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if indeed it's 17.4 I believe he's already stalled as stall comes at 15
Posted Aug-8-2012 ByTagadisht (405.42) Tagadisht View Channel Send Message
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@Tagadisht Also the angle of attack is measured against the chord of the wing and not the underside
Posted Aug-8-2012 Bypete1774 (36.56) 
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@Tagadisht It depends on the wing, but generally you are right. The video capture can't establish the pitch very accurately, and there's going to be a few degrees of uncertainty in there.
And that's only the pitch, whereas the actual angle of attack experienced by the wing is dependent on where the aircraft is headed.
In the video it appears mostly flat at this point, but even a degree or two can bring the wing out of the stall region. What remains obvious is that the aircraft was on the wrong More..
Posted Aug-8-2012 Byaki009 (191.86) aki009 View Channel Send Message
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It's real simple, the plane was overloaded.
Posted Aug-11-2012 Bystarduster (0.00) 
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Speed is life... altitude is not.
Posted Aug-14-2012 ByYammo (82.14) 
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I have no idea wtf ya'll are talking about. Are there any more vids of people soing stupid stuff????
Posted Aug-8-2012 Bygammyland (509.12) gammyland View Channel Send Message
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If I could see clearly on a video in the first few mins and with only glider experience, that something is very wrong and was actually waiting for the pilot aborting the takeoff or landing again, then I cant call this pilot anywhere near experienced.
Posted Aug-8-2012 Bycoolhund (367.22) coolhund View Channel Send Message
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