Government

The public use flight was being operated by the Indian Health Service of the U.S. Department of Health & Human Services. It departed VFR from Devils Lake, North Dakota, with an intended destination of Rolla, North Dakota. The pilot attempted two visual approaches at Rolla, but encountered whiteout conditions due to a snow storm. He obtained an IFR clearance and diverted to Minot. He flew two ILS approaches to runway 31 at Minot and reported a missed approach after each. Radio contact was lost after the second approach. About an hour later, a snow plow operator found wreckage on the airport. Investigation revealed the plane had impacted to the right of runway 31 with the gear retracted and the flaps extended 15°. The 0959 weather was in part: 600 feet obscured, visibility 1/2 mile variable in snow, wind 110° at 11 knots. No preimpact mechanical anomaly was found with the airplane or engines. All four occupants were killed.

After landing at Ipoh-Sultan Azlan Shah Airport, the twin engine aircraft veered off runway to the right, lost its undercarriage and came to rest near the fire brigade building. All six occupants escaped uninjured while the aircraft was damaged beyond repair.

The two pilots were transporting Hydro-Québec employees in the aircraft to allow them to check electrical facilities in several villages along the Hudson Bay coast. The aircraft departed
Kuujjuarapik, Quebec, at about 1444 eastern standard time (EST) on a flight to Umiujaq, Quebec, a distance of 86 nautical miles (nm) to the north. The pilot-in-command was flying the aircraft. After the take-off from Kuujjuarapik, the crew contacted the Kuujjuarapik Flight Service Station (FSS) to file a flight notification and request weather information. The crew received three weather reports for Umiujaq from that FSS. The flight was conducted at an altitude of 5,000 feet on an outbound track of 045 degrees from the Kuujjuarapik non-directional beacon (NDB). Thirty miles from Umiujaq, the crew commenced the descent. Seven miles from the village, the aircraft was at an altitude of 700 feet and the crew could see the ground. The crew used a global positioning system (GPS) waypoint to supplement visual navigation (before reaching a downwind position), and continued their step-down procedure to about 200 feet above ground level (agl) on a heading of 25 degrees magnetic (°M). At that altitude, the visibility was reported by the crew to be over one and one-half miles and the crew could recognize references on the ground and position the aircraft for landing. When turning onto the final approach to runway 21, the pilot-in-command initiated a turn with at least 35 degrees of bank angle, and the aircraft stalled. The pilot-in-command initiated a stall recovery and called for full power. The aircraft did not gain sufficient altitude to overfly the rising terrain, and it crashed. The two crew members and two of the passengers sustained minor injuries. They were given first aid treatment at the accident site by other passengers.

Shortly after takeoff from Bogotá-El Dorado Airport, while climbing, the crew informed ATC about the failure of the left engine and was cleared to return for an emergency landing. While turning to the left, the aircraft stalled and crashed on a building housing a car dealership. All seven occupants on board the Cessna as well as six people on the ground were killed, among them the Director and the Deputy Director of the Civil Aviation Authority of Colombia. Seven other people on the ground were injured.

While cruising at FL240, a propeller (prop) hub arm on the left prop failed, releasing the prop blade, which struck a 2nd blade, breaking off its tip. This resulted in a severe engine vibration and shutdown of the left engine. The left engine was forced downward and inboard on its mounts. The cabin depressurized, possibly from blade contact. The flight crew made an emergency descent and received a vector to divert for an ILS approach to Dubuque. The airplane was incapable of maintaining altitude and descended in instrument conditions. Subsequently, it collided with a silo and crashed about 8 miles south of Dubuque. An investigation revealed the left prop hub failed from fatigue that initiated from multiple initiation sites on the inside diameter surface of the hole for the pilot tube. There was evidence that the fatigue properties of the hub were reduced by a combination of factors, including machining marks or scratches, mixed microstructure, corrosion, decarburization, and residual stresses. All eight occupants were killed, among them George Mickelson, 52, Governor of South Dakota.

During descent into Billings, the Citation was sequenced behind a Boeing 757, and both airplanes were eventually cleared for visual approaches. About 1-1/2 mile from the runway the Citation was observed to roll rapidly to the inverted position and descended almost vertically into the ground. According to ATC transcripts and the airplane's cockpit voice recorder, the crew of the Citation had maintained visual awareness of the position of the B757 throughout the approach. At the time of the upset, the vertical separation between airplanes was 600 - 1,000 feet, and the horizontal separation was decreasing below 2.6 miles. One of the Citation captain's last comments was 'almost ran over a seven fifty seven.' Winds were 5 knots. All eight occupants were killed.

The twin engine aircraft was completing a flight on behalf of the Attorney General of the Republic, carrying seven passengers and two pilots. After takeoff from Monterrey-General Mariano Escobido Airport, while climbing, the crew reported 3,000 feet when the aircraft entered an uncontrolled descent and crashed in a field located 4 km from the airport. The aircraft crashed one minute after a night takeoff. All nine occupants were killed.

Crashed in unknown circumstances near Kostanay while completing a flight on behalf of the Kazakh government. All three occupants were injured and the aircraft was destroyed.

The airplane disappeared from radar about 1-1/2 mile short of the airport during a VOR runway 13 approach. Radar data shows that the altitudes, descent rates, and ground speeds were consistent with the approach profile. The last radar position of the airplane was at 100 feet on the runway extended centerline. The debris path was aligned on a 130° magnetic heading. Witnesses stated that the visibility was near zero in fog. Both occupants were killed.

The aircraft was completing a special flight from Khartoum to Tunis, carrying 10 passengers, among them Yasser Arafat, head of the Palestinian Liberation Organization. En route, weather conditions worsened and the crew lost his orientation while flying in a sandstorm. Due to fuel shortage, the crew attempted an emergency landing when the aircraft crashed in a desert area located 100 km southeast of Al Sarah (Majin al Ma`sarah). Upon landing, the aircraft lost its undercarriage and both engines before coming to rest, bursting into flames. All 10 passengers were rescued while all three crew members were killed.