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#41
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Buffalo Q400 crash
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#42
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Buffalo Q400 crash
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#44
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Buffalo Q400 crash
PJ wrote:
wrote: Standard practice is to wait until you have a positive rate of climb before raising the flaps. Raising the flaps if the airplane was on the verge of a stall would be a big mistake. Lowering the nose and applying full power would be the best course of action, and once a positive rate of climb could be achieved, then the flaps could be raised. But they were too low to lower trhe nose and in otrher words were fuc... First, the stick shaker is fired based on airspeed to give warning of an impending stall. The aircraft is still several knots above stall speed when it goes off. It hasn't yet stalled. Second, they were at about 1600 ft AGL, meaning they had plenty of altitude to recover, assuming the PF took the proper action. When he pulled up in reaction to the stick shaker, the aircraft actually did stall, with the nose up 30 degrees, and it rolled sharply to the left. At that point, they were fuc... |
#45
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Buffalo Q400 crash
"Private" wrote:
"PJ" wrote: wrote: Standard practice is to wait until you have a positive rate of climb before raising the flaps. Raising the flaps if the airplane was on the verge of a stall would be a big mistake. Lowering the nose and applying full power would be the best course of action, and once a positive rate of climb could be achieved, then the flaps could be raised. But they were too low to lower trhe nose and in otrher words were fuc... Google 'tail stall icing' http://www.google.ca/search?hl=en&q=...meta=&aq=f&oq= According to the aircraft's manufacturer, the Dash8 isn't subject to tailplane stalls due to icing. That said, one wonders if the pilot had that in mind when he pulled up in reaction to the stick shaker. His previous ride was a Saab, which I understand can stall due to tailplane icing. Did the ice buildup he saw on the wings set his mind up to prepare for a tailplane stall? |
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