Fatal aviation accident: CESSNA 150H near MANCOS (1991-01-20)
Probable cause: FAILURE OF THE STUDENT PILOT TO FOLLOW PROCEDURES AND DIRECTIVES BY CONTINUING THE FLIGHT AT NIGHT AND SUBSEQUENTLY ENCOUNTERING ADVERSE WEATHER CONDITIONS. FACTORS RELATED TO THE ACCIDENT WERE: DARKNESS, THE STUDENT'S LACK OF EXPERIENCE, ADVERSE WEATHER CONDITIONS, AND MOUNTAINOUS TERRAIN.