It concluded Coming_to_believe that the crew lost Earnings_and_losses situational awareness while initiating Process_start a missed approach , and allowed Preventing_or_letting the aircraft to descend Motion_directional into the sea .

The crew lost Earnings_and_losses their situational awareness after an incorrect approach Arriving into Thessaloniki .

The final report Reporting was issued on 15 August 2002 , concluded Coming_to_believe that the individual factors contributed Giving to the accident was non adherence to a number of SOPs and loss of spatial and situational awareness by the aircraft crew during the approach Arriving and final phases of the flight .

The National Transportation Safety Board ruled Legal_rulings that the derailment Catastrophe was caused Causation by the train 's engineer ( driver ) becoming Becoming distracted by other radio transmissions and losing Earnings_and_losses situational awareness , and said Statement that it would have been prevented Preventing_or_letting by positive train control , a computerized speed-limiting system that was operational Being_in_operation elsewhere on the Northeast Corridor , but whose activation Being_in_operation at the wreck site had been delayed Hindering due Causation to regulatory requirements .