Five days of horse trading followed the British General Election on 06-May-2010, which ended in a stalemate with no single party having a working majority in the House of Commons. The eventual outcome was a Conservative-Liberal Democrat coalition, announced on 11-May, the first in the UK for 70 years. And the green voice has gained several octaves in the process. The respective parties in this coalition are at opposite ends of the political spectrum and it is not at all clear how long it can last. But so long as it does there will be major challenges for British aviation.