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Guest AA752

747 Autobrake Question

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Guest AA752

No I'm not complaining about a bug. When I choose an autobrake setting before landing in the 747, i get a yellow "autobrake" message on my EICAS. When I land, the autobrakes do not activate. I was searching aorund the forums, and found some stuff about conflict between the pedals or yoke (I use both), so I tested RTO on a rejected takeoff, and it worked beautifully. That and the error message on the EICAS leads me to belive that I am doing something wrong. Is there a procedure for activating autobrakes for landing that I am missing?Thanks.Zach

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Zach,Are you sure its a yellow EICAS autobrakes message and not a white autobrakes memo?If its yellow there`s a problem with the system,do you have any faults activated,like a problem with HYD SYS 4 for example?regardsJon

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Jon,a quick question if you could help, i always get that yellow autobrakes message in the EICAS when i land. I generally set Autobrakes 2, upon touchdown i use reverse thrust until around 60-70 knots and then use manual breaking below 50knots. I notice the Autobrakes goes to "Disarm" and not to the "Off" position? Do i need to flick that to off at some point to stop the message appearing?Cheers

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Paul,yes, its part of the PNF pilot not flying scan to flip the autobrakes switch back to off in their after landing actions.That will clear the yellow messageregardsJon

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Guest AA752

Thanks for replying.Yes, it is indeed yellow, and I do not receive any HYD failure messages along with it. I'm still new with this aircraft (and I love!), so I'll pay extra special attention to procedure when I start it. I am also gonna check to see if I have failures turned on.I'm still open to more ideas.Zach

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