Airbus A340-642, serial number 764, entered service with Lufthansa as D-AIHX. D-AIHX played an important role in Lufthansa's long distance operations during the 2000s and 2010s. Lufthansa, D-AIHX. Airbus A340-600 Designed as a wide-bodied, long-haul passenger transport, the A340 was first flown on October 25th, 1991.