A phone conversation while driving blinds the brain to unexpected objects that may come in our path. The crew of Air Canada carrying out a visual approach would have experienced the same when they approached to land at San Fransisco.
Inattentional blindness; presentation @ISASI2019
My presentation on “Inattentional blindness during visual approach” was very well received by the organizer and some 450 attendees. A copy of the presentation is in the link below.