December 3, 2011, Silverton, Colo., Socata TB21 Turbocharged Trinidad
The airplane collided with terrain at about 1335 Mountain time. The non-instrument-rated private pilot and three passengers were fatally injured. Instrument conditions prevailed; no flight plan had been filed. The pilot contacted ATC while at 20,000 feet to request flight following and reported he could not descend and maintain VFR. Moments later, the airplane disappeared from radar and contact with the pilot was lost. There were no reported distress calls from the pilot.