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Plane in a ditch at ORD

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Just try slamming on the brakes at taxi speed with the NWS at full travel and see what happens.
 
I wasn't there but my buddy was right behind them (in a plane with a chicken on the tail) and when he told me what happened all he could say was that it happened really fast. Who knows what failed but think how quickly an aircraft could depart the paved surface of a taxiway if an immediate 90 degree turn happened. Maybe it was one failure but things happened too fast for them to stop on the concrete. A single failure of the nosewheel steering has been known to cause problems like this on more than one type of aircraft. It sucks but doesn't mean that the crew is at fault.

BTW, been drinking tonight so this might make no sense at all

I never said it was the crews fault, I said i didn't believe the reason was multiple simultaneous systems failures.
 
Wouldnt you have to turn off the anti skid for the 6 emergency brake applications?
no you don't HAVE to have to the anti-skid off to use the emergency brake, you just have to be careful not to lock up the brakes because the anti-skid may drain the accumulator very quickly. This is more for a landing stop scenario.
 
the plane was doing a cross bleed start on taxiway B...the whole incident lasted about 10 seconds..they said no steering, no brakes, no icas messages, flight spoilers popped up...could there have been a problem with the weight on wheels micro switches?
 
Just try slamming on the brakes at taxi speed with the NWS at full travel and see what happens.
Try 100KIAS... Then call me back.. I'm guessing there is a lot more to this story(both good and bad) triple simultaneous hydraulic failure? 6 pumps at ONCE!?
 
I find that very difficult to believe. They would have to simultaneously have malfunctions of hydraulic systems 2 AND 3 and the backup accumulators for the emergency brake, and nosewheel steering. What are the chances of that?
Just ask weasil, I guess he's an A&P!
 

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