All the helicopters deployed for the search and rescue operation for the crashed Tara Air's 9 NAET twin-engine aircraft, have been called off after the snowfall in Mustang district.

"Due to the snowfall at the possible air crash site, the search and rescue operation has been called off for today. All the helicopters deployed for search and rescue operations have been called back to bases," Premnath Thakur, General Manager of Tribhuvan International Airport said.