Kathmandu , Nepal ( CNN ) -- The search for an aircraft carrying 18 people , which has been missing in the mountains of western Nepal since Sunday afternoon , continued Monday morning , authorities said . The 40-year-old Canadian-made Twin Otter aircraft in question belongs to state-owned Nepal Airlines . It was flying from the tourist town of Pokhara , about 200 kilometers ( 124 miles ) west of Kathmandu , en route to Jumla , a remote town about 600 kilometers ( 373 miels ) northeast of Kathmandu . `` It was supposed to land at 1:45 p.m. , but it did not arrive , '' said Bimlesh Karna at the rescue coordination center at Tribhuvan International Airport . The flight usually takes an hour . The plane was flying in inclement weather as it had been raining and snowing across the country for the past few days . Among the 18 on board are three crew members and a Danish national . Of the 17 Nepalese , one is a child , Karna said . Mingma Lama , senior superintendent of police , is heading a 150-member police search team . He said locals have reported that pieces of the aircraft have been found . Bam Bahadur Bhandari , regional police chief in Pokhara , also said locals had seen wreckage . He said a search helicopter had also spotted the wreckage but could not find a place to land . The disappearance of the plane has again raised concern over Nepal 's air safety record . There were two fatal air crashes each year from 2010 to 2012 in this Himalayan country .
Authorities say 18 people were aboard an aircraft that 's gone missing in Nepal . The plane was carrying a total of 42 passengers and crew when it went down on Saturday, according to the Nepalese government.