December 28, 1991: A Business Express Airlines 1900C crashed during a training flight when the instructor refused to take back the controls after the students became disoriented due to heavily stressing conditions imposed by the instructor, against the company's flight manual.
28 Desember 1991: Sebuah Business Express Airlines 1900C jatuh saat penerbangan latihan setelah instruktur menolak untuk mengambil alih kemudi saat pelajar mengalami disorientasi akibat kondisi tekanan berat yang diberikan oleh instruktur, melawan manual penerbangan perusahaan.