Originally Posted by
WalruSara
I've always been told that coach passengers cannot use the first class restroom, regardless of where they are sitting. I have not been able to able to find any written policies on it, but the flight attendants will certainly set you straight.
A lot of FA's don't seem to care, but some do.
The LAW says you only are limited to your own cabin on international flights.
If I am just behind FC, I will go for it. It is often too difficult to tell how many people are ahead of me at the economy WC.