Hello and a Merry Xmas to all, I encounter a recurent problem, when trying to start a new flight, starting Cold and Dark any airbus, on ground parking brakes on, APU and Bat on, IRS to align position, on ND it never comes alive, in FCU IRS ALIGN Check , and Flight plan complete,check list Preflight complete, so how to avoid such problem ? Any help and infos most welcome, Cheers, Jean Marc