At 14:09 mountain time, a Cessna 152 crashed near Karval, killing the pilot. The flight originated from Ellicott, Colo., approximately one hour before the accident. Denver Center reported the pilot began squawking 7700 moments before the airplane disappeared from their radar screen. Flight Watch reported the pilot radioed them saying that he was in some clouds and was having difficulty flying the airplane. VMC prevailed in the area.