18 January 1999 - Necon Air Cessna 208 Caravan I (9N-ADA) climbed steeply to 450 feet (140 m) after takeoff from Jumla Airport, but stalled and crashed and caught fire. The fire could not be extinguished because fire fighting equipment was not available at the airport. Of 10 passengers and 2 crew, 4 passengers and 1 crew member were killed. The probable cause of the accident was the pilot's failure to put the aircraft in take off configuration.
21 June 2006 - A Yeti Airlines De Havilland Canada DHC-6 Twin Otter Series 300 (9N-AEQ), on a flight from Surkhet approaching Jumla Airport, the pilot apparently decided to go around. The aircraft crashed into a mountainside on the eastern side of the airport killing all three crew and six passengers.