FlyerTalk Forums - View Single Post - BA15 LHR -SIN 5th May left with empty water tanks
Old May 6, 2022 | 10:22 am
  #12  
whherron
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Originally Posted by Duck1981
I am actually just scratching my head, do the toilets actually using a bit of water when flushing or is it just a pure vacuum play? Quite sure I flushed hundreds of them but now as I think about it, I am not sure how they work...

My guess is it's vacuum only as otherwise I wouldn't imagine a Captain would take off w/o water.
I'm really old and everything, but I thought "blue water" for the toilets was kept in a separate tank. Do modern aircraft use the common water supply for the toilets, too?

Regards, Bill
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