The plaintiffs alleged that the GPWS was defectively designed, that the manufacturer was aware of its deficiencies in mountainous terrain for over a decade, and had the system worked as designed the accident could have been avoided.
Para penggugat menuduh bahwa GPWS itu dirancang tidak sempurna, bahwa produsen menyadari kekurangan dalam daerah pegunungan selama lebih dari satu dekade, dan memiliki sistem bekerja seperti yang dirancang bisa menghindari kecelakaan.