12/11/2003 (Agence Europe) - Last week the ERA (European Regions Airline Association) launched its new Crisis Planning Manual during a crisis planning seminar on 5-6 November in Birmingham. In the presentation of this guide, which deals way which to tackle terrorist threats and hijacking, Ian Wigmore underlined that this kind of disaster "poses the greatest public relations challenge that any airline can expect to encournter in public realtions terms", especially since 11 September 2001.