sentences:  The company had a fleet of ten Tu-204-100Bs (an eleventh Tu-204 was written off after crashing at Vnukovo International Airport on 29 December 2012), and had also sought to acquire Airbus A320s and possibly Airbus A321s to complement its Tu-204 fleet.Lebedev also owned 49% of German charter airline Blue Wings, which was to become Red Wings's sister company.However, on 13 January 2010, Blue Wings ceased all operations and filed for bankruptcy, citing the global financial crisis for a pull-out of investors.