Classic (-300/-400/-500) aircraft 1980s May 24, 1988 – TACA Flight 110, en route to New Orleans, suffered double engine failure due to a severe hail storm. The pilot conducted a successful forced landing on a grass levee with no injuries. The aircraft was repaired and returned to service. As a result of this incident, further engine development was carried out to prevent flame-out in severe weather conditions. January 8, 1989 – Kegworth air disaster: British Midland Flight 92, using a 737-400, crashed on an embankment adjacent to the M1 motorway while attempting to land at East Midlands Airport. The aircraft broke apart on impact. Of the eight crew and 118 passengers, 47 passengers died. The left engine had suffered a fan blade fracture and the crew, unfamiliar with the 737-400, shut down the still-functional right engine, causing the aircraft to lose power. September 20, 1989 – USAir Flight 5050, a 737-400, drifted to the left and plunged into Bowery Bay at LaGuardia Airport after the crew attempted to abort the takeoff due to a mistrimmed rudder; 2 passengers died out of the 63 on board. 1990s May 11, 1990 – Philippine Airlines Flight 143, a 737-300 registered as EI-BZG, was due to fly from Ninoy Aquino International Airport in Manila to Mandurriao Airport in Iloilo City when the central fuel tank exploded while the aircraft was being pushed back from the terminal. Eight passengers among the 120 passengers and crew on board died in the explosion and subsequent fire. February 1, 1991 – USAir Flight 1493, operated by a 737-300, collided with a Fairchild Metro III of SkyWest Airlines while landing at Los Angeles. All 12 people on the Fairchild Metro died, while 21 passengers and two crew members out of six crew members and 83 passengers died on the 737. November 24, 1992 – China Southern Airlines Flight 3943, using a 737-300, crashed on descent to Guilin Liangjiang International Airport; 141 occupants died. July 26, 1993 – Asiana Airlines Flight 733, using a 737-500, crashed into a mountain; 68 of 116 occupants died. September 8, 1994 – USAir Flight 427, using a 737-300 with 127 passengers and five crew members, went out of control after a rudder malfunction and crashed near Pittsburgh International Airport; everyone on board died. The cause was determined to be the same as what caused the crash of United Airlines Flight 585, a 737-200, on