Preliminary Reports

At 1225 Mountain time, the airplane was substantially damaged during a runway overrun. Visual conditions prevailed. The captain, first officer and five passengers were not injured. The Mexican-registered flight was taking off at the time of the accident, with a planned destination of Chihuahua, Mexico.

The airplane experienced a total loss of engine power at 1255 Eastern time while in cruise flight. The private pilot and passenger were not injured, but the airplane was substantially damaged during the subsequent forced landing. Visual conditions prevailed.The pilot later stated the engine began to run rough. He applied carburetor heat and the engine cleared up. He disengaged the carburetor heat but the engine again began to run rough and lost power. The pilot subsequently made a forced landing on a shoreline and nosed over inverted. Debris were discovered in the main fuel gascolator and the carburetor.

About an hour prior to the flight, the pilot checked nearby weather, which indicated an indefinite ceiling of 200 feet and visibility of three miles with fog. The pilot stated visibility on the ground was good and took off. As the airplane climbed, visibility went to zero. He turned around to return to the airport, and descended to get under the fog. There were trees on the east side of the airport, and he tried to stay above them while looking for the runway.

At about 1345 Hawaiian standard time, the airplane impacted the southeast side of a ridge while approaching the Honolulu International Airport. The non-instrument rated private pilot and one passenger sustained fatal injuries; the airplane was destroyed. Instrument conditions prevailed in the area surrounding the accident site; the pilot was receiving VFR flight following. The pilot had an extensive history flying on the island and had performed thousands of flights in the area.

The airplane was substantially damaged at 1656 Eastern time when it collided with a high-tension power line while on final approach. The private pilot was killed. Night visual conditions prevailed.

At about 1100 Alaska time, the ski-equipped airplane sustained substantial damage after landing on a snow-covered lake during a Part 135 VFR passenger flight. The commercial pilot and passenger were not injured. Visual conditions prevailed. The pilot later said he departed with the airplanes oil cooler cover in place, but engine temperature increased significantly, and he decided to land on a snow-covered lake to remove the cover.

The airplane experienced a loss of engine power after takeoff and landed in a field off the end of the runway at 1440 Pacific time. The commercial pilot was uninjured but the airplane was substantially damaged. Visual conditions prevailed.

At 1004 Eastern time, the airplane was destroyed when it impacted snow-covered terrain following a loss of control while maneuvering. Instrument conditions prevailed. The commercial pilot and the passenger were fatally injured.

The airplane collided with mountainous terrain at about 1622 Pacific time while being operated as a public-use positioning flight. The commercial pilot and passenger were killed, and the airplane was destroyed. Visual conditions prevailed.

At 1405 Eastern time, the airplane was destroyed when it impacted terrain during an instrument approach. The pilot, copilot, and two passengers received fatal injuries. Instrument conditions prevailed. At about 1349, the crew executed a missed approach to the destination airport and requested an extended downwind prior to executing another ILS. A witness reported seeing the airplane as it descended out of the clouds.