NTSB releases factual report on 2021 fatal, 133-car pileup crash on I-35W in Fort Worth

WATCH: NTSB gives update on investigation into jet crash that killed Greg Biffle and 6 others

NTSB says each plane crash investigation is unique

Data released by the US National Transportation Safety Board (NTSB) in response to a freedom of information request, shows that the fuel switches to both engines were shut off simultaneously before China Eastern Airlines flight MU5735 dropped out of the sky and crashed in March 2022.It was China’s deadliest air disaster in decades, but the Civil Aviation Administration of China (CAAC) has not addressed the crucial question of what had prompted the deadly nosedive.The data was taken from the plan

U.S. General Aviation Safety Data