You have nothing whaysoever to concern yourself about your qualifications. I would be more concerned about being over qualified. Many of these requirements are merely to discourage those that are time wasters. Make sure you have a clear CV highlighting your current profile and abilities. The age limit is round about 60+ and that has more to do with pensions and tha investment that we are required to make i.e. it costs round about £4000 to recruit and train you. I am sure you will be welcomed to an interview just focus on special things that you will bring to BA people skills diversity team player etc. Go on line today and get started, the world awaits you.