50+ Passengers Missing!? Qantas Boeing 737 Takes Off With Incorrect Weight Calculations

A Qantas Boeing 737-800 aircraft departed from Canberra using take-off performance numbers based on an incorrect loadsheet.The input error in Qantas’ departure control systems resulted in 51 passengers being listed as not onboard, which produced a calculated weight that was approximately 9,460 lbs (4,291 kg) below the aircraft’s actual weight.