Scheduled Revenue Flight

On final approach to Cuenca-Mariscal La Mar Airport, the crew encountered limited visibility due to poor weather conditions. On final, he failed to realize his altitude was insufficient when the airplane struck trees and crashed in flames near the district of Gaullum, about 2 km short of runway 05 threshold. The aircraft was totally destroyed and all 119 occupants were killed.

En route, the crew encountered severe atmospheric turbulences. Control was lost and the airplane crashed in an open field. There were no casualties.

During the takeoff roll at Kasaba Bay Airport, the left engine suffered unknown problems. The captain decided to abandon the takeoff procedure and initiated an emergency braking maneuver. Unable to stop within the remaining distance, the aircraft overran and came to a stop. All 46 occupants escaped uninjured while the aircraft was damaged beyond repair.

The four engine airplane departed Pyongyang Airport on a regular schedule service to Conakry, carrying 17 passengers and a crew of six. After two intermediate stops in Kabul and Cairo, the crew continued to Conakry without any incident. While descending to the Conakry-Gbessia Airport, the crew encountered poor weather conditions and failed to realize his altitude was insufficient when the airplane struck a mountain located in the Fouta-Djalon Mountain Range, about 30 km from the airport. The aircraft disintegrated on impact and all 23 occupants were killed.

On final approach to Managua-Augusto Cesar Sandino Airport, the copilot mistakenly activated the reversers. The airplane lost height and landed hard, causing irreparable damages. There were no casualties.

While cruising at an altitude of 7,200 meters over the city of Kazarman on a flight from Bishkek to Osh, the aircraft encountered severe downdrafts and entered an uncontrolled descent during which it lost 2,200 meters and recorded excessive loads of +5.5 g. The crew finally took over control of the airplane and landed safely at Osh Airport. Nevertheless, the aircraft became unserviceable following irreparable structural damages. All nine occupants were injured.

On short final, the crew encountered engine problems when control was lost. The airplane crash landed and came to rest upside down. All 47 occupants were rescued, among them one passenger was injured (broken leg).

On final approach to Bamako-Senou Airport, the twin engine airplane crashed in unknown circumstances near Niéla, about 5 km short of runway. All seven occupants were killed.

En route from Simferopol to Yerevan, while cruising at an altitude of 10,200 meters over the city of Gali in Abkhazia, the crew spotted CB's at high altitude but failed to modify his route. The aircraft went into the CB's and encountered severe turbulences. The crew was able to continue the flight within further incident and to land at Yerevan Airport. After being parked on apron, the aircraft was inspected and it was later confirmed that it sustained severe structural damages after it recorded excessive G loads (+3.05/-0.65). There were no casualties but the aircraft was considered as damaged beyond repair.

The aircraft departed Dallas on a regularly scheduled international passenger flight to Montreal, Quebec, Canada, with an en route stop at Toronto, Ontario, Canada. The flight left Dallas with 5 crew members and 41 passengers on board. About 1903, eastern daylight time, while en route at flight level 330 (about 33,000 feet m.s.l.), the cabin crew discovered smoke in the left aft lavatory. After attempting to extinguish the hidden fire and then contacting air traffic control (ATC) and declaring an emergency, the crew made an emergency descent and ATC vectored Flight 797 to the Greater Cincinnati International Airport, Covington, Kentucky. At 1920:09, eastern daylight time, Flight 797 landed on runway 27L at the Greater Cincinnati International Airport. As the pilot stopped the airplane, the airport fire department, which had been alerted by the tower to the fire on board the incoming plane, was in place and began firefighting operations. Also, as soon as the airplane stopped, the flight attendants and passengers opened the left and right forward doors, the left forward overwing exit, and the right forward and aft overwing exits. About 60 to 90 seconds after the exits were opened, a flash fire engulfed the airplane interior. While 18 passengers and 3 flight attendants exited through the forward doors and slides and the three open overwing exits to evacuate the airplane, the captain and first officer exited through their respective cockpit sliding windows. However, 23 passengers were not able to get out of the plane and died in the fire. The airplane was destroyed.