On 24 February 2016, eight minutes after take-off, the aircraft serving the flight, a Viking Air DHC-6-400 Twin Otter went missing with 23 people on board.

[5] The DHC-6 Twin Otter was a Series 400 version built in 2012 by Viking Air with manufacturer's serial number 926.

Aviation Safety Network gives the probable cause as a loss of situational awareness when entering clouds while flying under Visual Flight Rules (VFR).

[11] Helicopters were used to search the route for hours, but rescue efforts were slowed down by poor weather conditions, including dense fog and heavy rain.

[13] Bishwa Raj Khadka, the district Chief of Police,[14] stated that personnel involved in the rescue operations had recovered 17 bodies from the crash site.