Originally Posted by
wxguy
2A and 2K open up about 48 hours in advance of the flight, when the specific 777 model is assigned. Tail #s 20?? and 28?? are the versions with "bunks for two" that allow the two relief pilots to rest, so the two F cabin seats can be made available for pax. (Typically ON will open at this time if the F cabin does not have heavy demand.)
Good to know, but then again, GlobalFirst is really a non-rev class these days.