Sydney - A computer malfunction could explain why a Qantas passenger jet en route from Singapore and Perth plunged in altitude and injured 46 passengers, investigators said Wednesday.
Passengers aboard Flight QF72 said the Airbus A330 dipped 8,000 feet (2,440 metres) in about 10 seconds on Tuesday before making an emergency landing at Learmonth military base, 1,260 kilometres north of Perth.