Are there any reported cases in which the Pilot Flying of an airliner has become incapacitated during a critical phase of flight, so that the Pilot Monitoring has had to intervene to prevent a disaster?

By critical phases of flight, I mean during takeoff, approach, or landing.


Here are a couple of examples from two studies that have a lot more detail and background information on pilot incapacitation in general.

From an ATSB study:

After a normal touchdown, the first officer became unconscious at the flight controls and the aircraft began to veer to the right of the centreline. The captain took control of the aircraft to return to the centreline and completed the landing

From an FAA study:

A 45-year-old B-737 first officer experiencing an alcohol withdrawal seizure suddenly screamed, extended his arms up rigidly, pushed full right rudder, and slumped over the yoke during an approach. The aircraft descended to 1,000 feet above ground level in an uncoordinated turn to 25 degrees angle of bank before flight attendants could pull the first officer off the controls, allowing the captain to recover the airplane

  • 6
    $\begingroup$ Wait, so this incident happened because the FO wasn't drunk enough? $\endgroup$ Jul 28 '17 at 10:11

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