Thai Airways International Flight 311

Thai Airways International Flight 311 (TG311/THA311) was a scheduled flight from Bangkok, Thailand's Don Mueang International Airport to Kathmandu, Nepal's Tribhuvan International Airport. On July 31, 1992, at 07:00:26 UTC (12:45:26 NST; 14:00:26 ICT), the Airbus A310-304 operating the route crashed into the side of a mountain 37 kilometres (23 mi; 20 nmi) north of Kathmandu, killing all 113 passengers and crew members on board.

Source: Wikipedia — Thai Airways International Flight 311 (CC BY-SA 4.0)