December 21 - A U.S. Airways flight bound for Charlotte from Ottawa made a safe emergency return landing to Ottawa after smoke filled the cockpit shortly after takeoff. A crew member speculated that fluids used to deice the aircraft entered an engine intake, causing the smoke.
December 20 - A single-engine Cessna registered to U.S. Aviation Academy crashed on approach to Denton Municipal Airport in Denton, Texas, killing one and injuring two. The aircraft was reportedly on an instructional flight at the time of the crash. (AVSIG Discussion)
December 20 - All five aboard a Socata TBM-700 were killed after crashing on I-287 near Harding, New Jersey. The aircraft reportedly disappeared from radar after departing Teterboro and ascending through 17,000 feet in icing conditions. The wreckage reported left a half-mile debris field. (AVSIG Discussion)
December 19 - All five aboard a single-engine Piper were killed after crashing near Bryan, Texas. Heavy rain was reported at the time of the crash. (AVSIG Discussion)
December 18 - Two single-engine aircraft collided near the airport in Leicestershire, England, killing the pilot of one aircraft. Both aircraft reportedly landed intact on a public road.
December 15 - A Cirrus SR22 crashed in a residential yard on approach to Scottsdale Municipal Airport in Arizona, killing one and injuring one. No injuries were reported on the ground.
December 9 - All four aboard a Cessna 421 were killed after crashing shortly after takeoff from Sioux Falls Regional Airport in South Dakota.
December 7 - All five aboard a sightseeing helicopter operated by Sundance Helicopters were killed after crashing into a mountainside near Lake Mead in Las Vegas, Nevada. Weather was reported clear at the time of the crash.
December 3 - A Socata TB-21 crashed north of Silverton, Colorado, killing all four aboard. The aircraft was reportedly en route from Durango to Aspen at the time of the crash.
December 3 - A Piper Saratoga registered to Great Lakes Air Inc. crashed in the Straits of Mackinac in Michigan, killing both aboard. The aircraft had reportedly just departed St. Ignace for Mackinaw Island at the time of the crash.