Tom and I flew it last night, and is was about an hour and 20 mins FT.
We flew it in the snow, and the Nav was very challenging in those conditions, but we did it, and successfully bombed the target and got back, with only one real error on the Nav which we corrected (when we crossed the channel, we were to far south, nearly flew over Dieppe, which would of been baaaadd).
Be run as a dogfight, there is other bases to spawn in, i remember seeing them on the map, but Tom will have to say which ones!