PARIS, Nov 27 (Reuters) – After eight weeks in court, the trial surrounding the 2009 crash of an Air France jet that claimed the lives of all 228 on board entered its final phase on Thursday, with Air France and Airbus defending themselves against charges of involuntary manslaughter. On Wednesday, the prosecution appealed to the Paris Appeals Court to overturn a previous ruling that had cleared both companies of responsibility for the crash. The Airbus A330 had plummeted into the Atlantic Ocean