If I remember correctly they have
ATP running between Warton and Farnborough 2 or 3 times a day.
BAe146 between Warton and Europe for some of the joint venture projects.
J31 one or two of these I think that usually shuttle around the commercial sites, Chester, Filton, Woodford etc.
2 or 3 HS125 that generally are used by the Big Cheeses.
Hope thats of some help.