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