FlyerTalk Forums - View Single Post - BA15 LHR -SIN 5th May left with empty water tanks
Old May 7, 2022, 2:18 pm
  #78  
Can I help you
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Join Date: Jul 2002
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It depends on the aircraft type but it’s a gauge or display which shows the amount of water in the tank.
The amount of water required depends on the length of flight or if water cannot be uplifted down route.
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