Originally Posted by
vbroucek
I have been on several UA flights between Australia and USA and vice versa, sitting on upper deck of 747s, in the past 5+ years and I can say for sure that when one of the pilots gone to the toilet, no FA entered the cockpit. All they did was blocking the access to the lavatories and the cockpit.
Unnecessary, because on this route, there are four pilots on the flight deck, so if one comes out, three still remain.