be an ongoing issue on all smaller aircrafts and in the future on extra large aircrafts( airbus talkes about configuring a A380 in a 800 y/c configuration). As mentioned in a previous post by SB, research conducted by Prof. Helen Muir from the Cranfield University is and has been a vital instrument in determining safety outcomes. Any union/company wishing to dispute these research outcomes would find it very difficult to persue the public opinion in all safety related incidents.