EMBRAER ERJ 170-100 LREnvoy Air Inc.

The flight crew’s decision, due to confirmation bias, to continue the descent below the decision altitude when the runway had not been positively identified. Contributing to the accident were (1) the first officer’s fatigue, which exacerbated his confirmation bias, and (2) the failure of CommutAir pilots who had observed the localizer misalignment to report it to the company and air traffic before the accident.

The flight crew's failure to maintain terrain clearance, which resulted in controlled flight into terrain in instrument meteorological conditions. Contributing to the accident were the flight crew's failure to correctly read back and interpret clearance altitudes issued by the air traffic controller, their failure to adhere to minimum altitudes depicted on the published instrument approach chart, and their failure to adhere to company checklists. Also contributing to the accident were the air traffic control…

The flightcrew’s misidentification of the intended landing runway, which resulted in approach to and landing on the wrong runway. Contributing to the incident was the distraction caused by the dual reset of the flight management computer displays.

The flight crew’s misidentification of the intended landing runway. Contributing to the incident were (1) the flight crew’s failure to perceive and correctly interpret visual and auditory indicators – including electronic guidance – that they were approaching the incorrect runway which was likely the result of a degradation in cognitive function brought on by working within their window of circadian low, increased workload, and fatigue, and (2) the air traffic controller’s failure to monitor the arriving flight af…

The pilot’s controlled flight into flat snow-covered terrain in weather conditions that were conducive to flat light conditions.