Fishtail Air Pvt. Ltd., from 2018 to 2020 known as Summit Helicopters Pvt. Ltd., is a helicopter airline based at Tribhuvan International Airport in Kathmandu, Nepal, operating chartered helicopter services. The company was established in 1997 under the Air Operators Certificate issued by the Government of Nepal. The Company carries domestic chartered helicopter flights throughout Nepal out and Rescue Missions. It also carries out and also international chartered flights to Bhutan and India.