US-Bangla Airlines Flight 211 crashes at Tribhuvan International Airport in Katmandu, killing 51 and injuring 20.

US-Bangla Airlines Flight 211 was a scheduled international passenger flight from Hazrat Shahjalal International Airport in Dhaka, Bangladesh, to Tribhuvan International Airport in Kathmandu, Nepal, that crashed on 12 March 2018 while landing, killing 51 of the 71 people aboard. The aircraft, a 76-seat Bombardier Q400 operated by US-Bangla Airlines, burst into flames after the crash. The 20 surviving passengers were badly injured from the impact and the fire. It remains the deadliest aviation disaster involving a Bangladeshi airline, and the deadliest incident involving a Bombardier Dash 8 Q400.

Tribhuvan International Airport is an international airport located in Kathmandu, Bagmati, Nepal. It has a tabletop runway, a domestic terminal and an international terminal. As the country's main international airport, it connects Nepal to over 40 destinations in 17 countries.

Kathmandu is the capital and largest city of Nepal, situated in the central part of the country within the Kathmandu Valley. As per the 2021 Nepal census, it has a population of 845,767 residing in 105,649 households, with approximately 4 million people in the surrounding metropolitan area. The city stands at an elevation of 4,344 feet above sea level.

March 12 is the 71st day of the year in the Gregorian calendar; 294 days remain until the end of the year.