Originally Posted by
GavT_london
there are two configs for a 747 currently - lo-J and hi-J. And i'm not sure they operate as club europe routes.
Just to be picky...
There are Mid-J and Hi-J configurations in service at the moment.
Lo-J was the configuration which had CW in B zone between doors 1 and 2, and upstairs. That was scrapped with the latest incarnation of configurations of the -400.