Sita Air Flight 601 crashes in Madhyapur Thimi, Nepal, killing all 19 passengers and crew.

Sita Air Flight 601 (ST601/STA601) was a Nepalese domestic passenger flight, operated by Sita Air from Tribhuvan International Airport in Nepal's capital Kathmandu to Tenzing-Hillary Airport in Lukla. On 28 September 2012, the Dornier 228 serving the route crashed while attempting an emergency landing at Kathmandu shortly after takeoff, killing all 19 people on board. There were no survivors.

Madhyapur-Thimi, also known as Thimi, is a municipality in Bhaktapur District in the Bagmati Zone of central Nepal. Thimi lies between Kathmandu, Lalitpur and Bhaktapur in the Kathmandu Valley. It is one of the ancient cultural and historical places along the trade route from Bhaktapur to Kathmandu. The city is situated on elevated land and occupies an area of 11.47 square kilometres (4.43 sq mi), divided into nine administrative wards.

September 28 is the 271st day of the year in the Gregorian calendar; 94 days remain until the end of the year.