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Thread: B747 Back up Hydraulics
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Old 1st October 2008 | 06:03
  #55 (permalink)  
Earl
 
Joined: Jan 2003
Posts: 844
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From: USA
As for the aircraft that have the rat it is only effective with the airspeed.
747 classic has no Rat.
Forgot the numbers for the Tristar but do know with the airbus 300 its useless below 130 kts.
Would be on the ground then anyway.
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