No, it’s one reason but it’s far from the only reason. Medical events and incidents that cause incapacitation of a flying pilot are rare, but less rare than su

No, it’s one reason but it’s far from the only reason. Medical events and incidents that cause incapacitation of a flying pilot are rare, but less rare than suicide by pilot incidents. Consider what would have happened on BA 5390, for example, if only one pilot had been in the cockpit with the cockpit door locked.