Originally posted by elaw
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Helios 522 Redux?
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Originally posted by elaw View PostIt could have gone differently. Keep in mind the masks don't necessarily require a *sudden* loss of pressure to drop... a slow increase in cabin altitude will do it to.
And the injuries... couldn't they be caused by a sudden *increase* in pressure?
So, a possible scenario: pilots accidentally leave pressurization off. Cabin alt. rises as the a/c climbs, and for some reason they miss the altitude warning at 11K. Cabin alt. continues to increase until the masks drop upon reaching 14K. At that point the pilots realize what's going on, turn on pressurization, the a/c suddenly pressurizes and injuries happen.
At which point they decide they should return to the airport not because of a technical fault but because of the injured pax.
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Originally posted by elaw View PostIt could have gone differently. Keep in mind the masks don't necessarily require a *sudden* loss of pressure to drop... a slow increase in cabin altitude will do it to.
And the injuries... couldn't they be caused by a sudden *increase* in pressure?
So, a possible scenario: pilots accidentally leave pressurization off. Cabin alt. rises as the a/c climbs, and for some reason they miss the altitude warning at 11K. Cabin alt. continues to increase until the masks drop upon reaching 14K. At that point the pilots realize what's going on, turn on pressurization, the a/c suddenly pressurizes and injuries happen.
At which point they decide they should return to the airport not because of a technical fault but because of the injured pax.
Still inconsistent with the pilots stopping the climb at 11000 ft.
I of course don't know what happened there, but it has to be something different than reported.
--- Judge what is said by the merits of what is said, not by the credentials of who said it. ---
--- Defend what you say with arguments, not by imposing your credentials ---
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Originally posted by ATLcrew View PostStill, the idea that Evan might find any theory other than his own to have promise...Les règles de l'aviation de base découragent de longues périodes de dur tirer vers le haut.
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