The investigators ' interest focused on the Air Data Inertial Reference Unit ( ADIRU ) following recent similar incidents involving Airbus A330s operated by Qantas , exhibiting sudden uncommanded manoeuvring ( including Qantas Flight 72 ) . The investigation was led by the Bureau of Enquiry and Analysis for Civil Aviation Safety ( BEA ) , with the participation of its counterparts from the German Federal Bureau of Aircraft Accident Investigation ( BFU ) , the New Zealand Transport Accident Investigation Commission ( TAIC ) , and the United States National Transportation Safety Board ( NTSB ) . Specialists from Airbus and from International Aero Engines ( IAE , the manufacturer of the aircraft 's engines ) , from XL Airways Germany ( operator of the aircraft ) and from Air New Zealand ( the owner of the aircraft ) , were associated with the work of the technical investigation
Qantas Flight 72
Qantas Flight 72
XL Airways Germany Flight 888T