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NTSB Report Finds Fuel Supply Cut to Both Engines Before China Eastern Crash

NTSB Report Reveals Deliberate Fuel Cut Before China Eastern Crash
Evidence of Intentional Fuel Supply Shutdown
The U.S. National Transportation Safety Board (NTSB) has disclosed critical new findings indicating that the fuel supply to both engines of a China Eastern Airlines Boeing 737 was intentionally cut prior to the aircraft’s fatal crash in southern China in March 2022. The tragedy claimed the lives of all 132 passengers and crew on board.
Data extracted from the aircraft’s flight data recorder reveals that the fuel cutoff switches for both engines were simultaneously moved from the "run" to the "cutoff" position while the plane was cruising at 29,000 feet. This action caused a rapid decrease in engine speeds, precipitating the aircraft’s steep descent and eventual impact with a hillside. The NTSB emphasized that the Boeing 737’s fuel switches are physical controls requiring a deliberate upward pull before switching from "run" to "cutoff," making accidental activation highly improbable.
Implications and Investigation Status
The report strongly suggests a deliberate act originating within the cockpit, potentially involving a struggle for control of the aircraft. The NTSB’s investigation found no evidence of mechanical failure or safety deficiencies that could have contributed to the crash. Earlier reports from 2022 had already indicated that investigators were concentrating on the flight crew’s actions, as no technical faults were identified.
This update represents the first substantial investigative development concerning China’s deadliest aviation disaster in three decades. Despite the severity of the incident, the Civil Aviation Administration of China (CAAC) has yet to release a final report or provide an annual update on the investigation, drawing criticism for its lack of transparency. China Eastern Airlines has also refrained from commenting on the NTSB’s findings.
Context and Ongoing Concerns
The crash of China Eastern flight MU5735, a Boeing 737-800, remains one of the most devastating air disasters in recent Chinese history. While deliberate crashes are exceedingly rare, there have been notable precedents, such as the 2015 Germanwings tragedy in France, where a co-pilot intentionally crashed an Airbus A320, resulting in 150 fatalities.
The NTSB’s disclosure, made in response to a Freedom of Information Act request, highlights the urgent need for greater clarity regarding the circumstances leading to the crash. As the fourth anniversary of the disaster approaches without a comprehensive report from Chinese authorities, the victims’ families and the global aviation community continue to demand answers. Neither the CAAC nor China Eastern Airlines has responded to inquiries concerning the NTSB’s revelations.

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