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NTSB officials have begun to announce preliminary findings, supported by newly obtained video footage. The footage vividly shows why the plane failed to climb after takeoff. Expert voices, including seasoned airline pilots, have explained that under normal circumstances, two-engine aircraft can climb successfully even amidst engine trouble—yet, in this incident, the airplane failed to do so.
A crucial point in the investigation involves the behavior of the aircraft during the critical phase between V1 (the decision speed) and rotation. This is when pilots initiate the lift-off, and, crucially, when the first engine, the number one engine on the left wing, separated from the aircraft.