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Curious about a crash?
Pooh Bear wrote in
: Bertie the Bunyip wrote: Pooh Bear wrote in : Michael Williamson wrote: Larry Doering wrote: In brief, the report says the Lear 35 crashed after running out of fuel near Aberdeen, South Dakota, more than four hours after the last radio communication with the crew. The condition of the wreckage made it impossible to conclusively determine what caused the aircraft to lose cabin pressure, or why the crew was unable to use the cockpit oxygen masks. Some folks speculated that perhaps the Emergency Oxygen bottle was shut off by maintenance (they apparently have a tendency to develop slow leaks in the lines, wasting oxygen while the plane is parked for extended periods of time) and then due to oversight not properly turned back on. The pressure gauge reads bottle pressure rather than line pressure and the position of the valve is not intuitive due to the installation location and orientation. On the other hand, if the aircrew properly checked their oxygen equipment during preflight, the lack of pressure in the lines should have been apparent. Mike Williamson If you are indeed correct about the above, and I'm sure you've done your 'homework'; to my engineering mind - that sounds more like a like a design oversight - scarily so even. Requiring too many checks is a classic workload hazard. Human Factors Yeah right, do tell us more planespotter. Bertie You agree with my assertion ? p.s. btw - why do always trim the original msg the way you do ? I've removed the sailing newsgroup from this reply - I'm sure they get enough of your **** as it is ! They don't you know you netkoping turd. Bertie |
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