French prosecutors have requested that the former chief of Egypt’s Flash Airlines stand trial over a 2004 crash off the Sinai Peninsula that killed 148 people, a judicial source said Wednesday. The chartered Boeing 737 plunged into the Red Sea on January 3, 2004, just minutes after take-off from the coastal resort of Sharm el-Sheikh, with all on board perishing, including 134 French citizens. The families of the victims have demanded that Mohamed Nour, managing director of the low-cost airline at the time, face trial. The Egyptian national, now 70, was charged with involuntary manslaughter in …