Accidents and incidents
On 30 September 2004, a Sita Air Dornier 228 crashlanded at Lukla Airport, causing the airport to be closed for several days.
On 12 October 2010, a Sita Air Dornier 228 hit a wall beside the runway in Lukla Airport as its brake system did not work properly. The engine inlet of the aircraft was damaged heavily. The aircraft was attempting to land at Lukla airport. It was lifted by helicopter to Kathmandu for repairs and put back to service. This same aircraft went on to have another crash landing accident on Simkot Airport in 2013.
On 28 September 2012, Sita Air Flight 601, a Dornier 228 crashed just after takeoff from Tribhuvan International Airport. All 16 passengers and three crew on board were killed. The flight was bound for Lukla. An investigation into the crash concluded that it was caused by passenger and cargo payload that exceeded the aircraft's maximum takeoff weight.
On 1 June 2013, a Sita Air Dornier 228 sustained substantial damage upon landing accident at Simikot Airport. There were no injuries among the five passengers and two crew members. The left hand main landing gear broke and the Dornier 228 came to rest on the side of the runway. The no. 1 propeller, left wing and underside of the fuselage sustained substantial damage. The aircraft had to be airlifted to Kathmandu by a helicopter.
On 23 April 2017, Sita Air Flight 617, a Dornier 228 met a minor incident at Phaplu Airport. The wing tip of theaircraft of was damaged as the aircraft hit the wall on the apron at Phaplu Airport.
On 20 February 2018, Sita Air Flight 601, a Dornier 228 was forced to make an emergency diversion after the aircraft experienced abnormal pressure reading on the engine during the flight to Lukla from Kathmandu which forced the flight crew to carry out the precautionary engine shutdown procedure, shutting down the right engine.
