West Air Sweden flight 294, on 8 January 2016

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West Air Sweden flight 294, on 8 January 2016

Unread post by Ugly Duckling » Tue Nov 05, 2019 3:54 pm

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Re: West Air Sweden flight 294, on 8 January 2016

Unread post by Burner » Tue Nov 05, 2019 4:24 pm

Scary stuff! It can be incredibly disillusioning in IMC or at night with no visible horizon, for something like this to happen.

Very similar if not identical to the Korean Air Cargo 747 flight that crashed after take off from Stansted.

Why they didn't immediately call the pitch comparator, and then immediately see which of the 3 instruments didn't agree with the rest, I don't know. If what you see, doesn't make sense, CHECK the standby instrument surely very briefly? Or even if the P1 had said "say your pitch angle?" To the P2?
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Re: West Air Sweden flight 294, on 8 January 2016

Unread post by Wingnutter » Tue Nov 05, 2019 4:48 pm

One of the things that is rarely trained in the simulator - unreliable airspeed yes, unreliable attitude not so much.

Lost AHs / vacuum pumps in GA aircraft and I think there is more awareness of this type of failure in GA because it happens much more frequently than in commercial jets. Vacuum pumps in particular are prone to failure (the life expectancy of a vacuum pump is something like 600 hrs)

Can see how this could go bad very quickly on a dark night, possibly tired and operating in your circadian low.

Sobering stuff, something to think about - thanks for sharing.
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Re: West Air Sweden flight 294, on 8 January 2016

Unread post by excolonial » Tue Nov 05, 2019 5:10 pm

Surely a failure of CRM - the captain reacting aggressively without any crosscheck with co-pilot?

Pretty chilling reading.
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