K Sorry guys probably an easy explanation for this but...Programmed FMC all OK try to switch AT on but it refuses to work!Is there a simple explantion why this may happen? What am I missing (apart from brain cells..)Any advice would be most appreciatedThanksAdam Moore

Sure, go to the overhead and click on your generators ;)[h4]Best Wishes,Randy J. Smithhttp://img.villagephotos.com/p/2003-5/196432/winglets_lg.jpg

Thanks again Randy for coming to my (and my pax;-) rescue.Worked a treat after a few minutes of clicking switches..CheersAdam Moore