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Forum Index: DISCUSSION: Dock Talk:
WHY STEVE FOSSETT CRASHED
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The Publisher
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Jul 29, 2009, 1:13 PM

Post #1 of 5 (3562 views)
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The National Transportation Safety Board has published the official "probable cause" of the 2007 accident that cost wealthy adventurer Steve Fossett his life. It was "the pilot's inadvertent encounter with downdrafts that exceeded the climb capability of the airplane [in combination with] mountainous terrain."

It sounds as if it were an act of God: Poor Fossett was flying along and suddenly a rogue wind grabbed him and slammed him into a mountain. But it was almost certainly more complicated than that. The NTSB's conclusion in the Fossett investigation was not based on a lot of highly scientific CSI-style analysis. Some NTSB accident investigations are. But in this case, there was almost nothing to analyze.

The airplane was so badly pulverized that searchers flew over it without noticing the debris. Meteorologists knew that there was a moderate southwest wind over the mountains at the time of the accident, but their computers could not tell them what the air was doing at any particular location. Reports from several pilots, and from a camper who probably saw Fossett clawing his way southward against a strong head wind minutes before the crash, painted inconclusive, even contradictory, pictures of conditions that day. The coroner had nothing to work with but a couple of bones. -- LA Times, read on: http://tinyurl.com/myjz9w


The Publisher
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Jul 29, 2009, 1:14 PM

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SCUTTLEBUTT 2896

* From Michael A. Rosenauer:
Regarding the Steve Fossett story in Scuttlebutt 2895, having spent many, many hours flying up and down the Sierra Crest in small airplanes (PA-28-181, a Piper Archer II), the theory that Fossett was slammed into the ground on the eastern side of the Sierra is completely plausible. The daily SW wind being dragged east by the heating desert, hits the western Sierra slope, is bumped up by the mountains and rotors down on the other side. The rotor is caused by the air being forced back down by the higher air that is flowing smoothly from west to east as well as the moving air being slowed by the ridge, trees, and ground. It is not uncommon to have 2000 ft/min curls of moving air on cloudless days. Combine that with the thinner air, and the rules about not approaching ridges head on, keeping well above the ridges (and the rotors) makes for good advice.

The Sierra Wave is a very similar phenomenon. It brings throngs of gliding enthusiasts to the area between Truckee and Mammoth. The mid level wind blows hard enough that the "bounce" off the mountains will spawn lenticular clouds above the rotors and just east of the ridge. The gliders can then use the heated air off the ground to thermal up to the steady, rising wind and then fly the leading edge or western edge of the mid level wind to carry them up higher. It is not uncommon to hear jets climbing out of Reno report gliders at altitudes exceeding 15,000 feet. It is equally common for the gliding events to cover hundreds of miles in closed courses.


Chris Welsh
*

Jul 29, 2009, 1:16 PM

Post #3 of 5 (3558 views)
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From Chris Welsh:
Being an acquaintance of Steve's, I followed the search for Steve with concern and was deeply disturbed when the conclusion came that he was lost, and again later when the wreckage was found and the loss was confirmed. I'm a pilot and familiar with the area, having flown it many times; furthermore by coincidence I flew the engine in the accident airplane down from the Flying M Ranch to LA in my plane when it needed to be replaced some months before, as a favor for a mechanic friend.

I also have survived a night time crash in a single engine plane after the loss of the engine, so I have some understanding of both the NTSB process and challenging moments in an airplane.

In reading the NTSB report, I am troubled by the cause determined. The downdraft verdict unquestionably is possible, but to me, does not square with the velocity of the crash, which seems more consistent with a medical event and loss of pilot capacity. In a downdraft scenario, the nose is high and groundspeed tends to be low as the pilot tries to contend with the loss of climb capability by pulling back more and more on the yoke. As a back country aircraft, nose high and fighting for altitude in that scenario, the accident plane would have had a very low groundspeed and might have touched down at 20-25 knots groundspeed. Steve's plane was shattered horribly and the engine half a football field away; this is not a 25 knot impact, but more inline with 100 knots plus.

Before Steve's accident, friends of mine were lost in a Cessna 210 accident near Newport Beach on a clear day; the surprising outcome was a previously undiagnosed severe arterial blockage and a cardiac event at the time of the accident. The pilot had had all of the normal medical reviews, was in his early fifties at the time and was fit. Because the wreckage was recovered immediately it was possible to find the medical causation. Early puzzlement at how that crash could have occurred so violently had the plane been under control made sense when it was found that the pilot was incapacitated and not in control any longer.

The difference between the two causes does not bring Steve back, but is a wholly different situation when looking at the accident and whether it was a question of flying choices or not. If he had a serious medical event, it is possible that his untimely death was inevitable, whether flying or seated at the ranch at the moment it hit.

In my friend's Cessna 210 accident, there was some comfort in understanding that the loss of our friend was inevitable at that moment, regardless of where he had been, that he was likely unaware at the time of the crash, and flying skill and judgment had no role in the outcome. I think it is very possible that Steve's accident was similar in cause.


tjperrotti
**

Jul 30, 2009, 7:12 AM

Post #4 of 5 (3431 views)
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Re: [Chris Welsh] WHY STEVE FOSSETT CRASHED [In reply to] Log-In to Post/Reply

Chris,

I only knew of Fossett through his well-documented global adventures. I always found his "let's see if we can be the first to do this" sense of adventure to be both inspiring and respected. His sudden loss was sad chapter ending, even to those of us who knew him only through lore.

While the NTSB's report offers some fuzzy explanations, more unanswered questions remain. Your comments above, and your experienced insight into flights in this region point towards a different plausible explanation.

We will likely never know what really happened. But I'd like to hope that Fossett's demise was through some pre-determined fate, rather than through some inadvertent mishap.

Either way, his life's adventures live on to inspire us all.


RD Bone
*

Oct 19, 2009, 12:13 PM

Post #5 of 5 (2900 views)
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Re: [The Publisher] WHY STEVE FOSSETT CRASHED [In reply to] Log-In to Post/Reply

OMG! I have been saying that since October 2007--so obvious he went sight seeing on a glorious Sierra day-to bad he did not remember about the Sierra wave--if not for kids, 2 jobs and paying bills I would have gone right to that area to search-- I even had it circled on a map--all his rich buddies did not seem to get it either--for months searching the desert-I knew he was slammed up against Whitney--the day was clear but any Sierra resident can tell you that beautiful warms days are followed by chilly nights here and the change from soaring peaks to desert makes for the bizarre effect that gliders, paragliders and small plane pilots familiar with the area have talked about plenty--to bad Steve didn't talk with some local boys first and wasn't lulled to a false security by the picture perfect day--


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