Nepal-based Buddha Air (U4) offers scheduled and charter flights to 13 destinations within Nepal, as well as international flights to India's Varanasi Airport (VNS) and Bhutan's Paro Airport (PBH). Buddha Air has a hub at Kathmandu's Tribhuvan International Airport (KTM), which is the country's only international airport. The airline's fleet of eight aircraft includes ATR 42-320, ATR 72-500 and Beechcraft 1900D planes. Each is configured with a single Economy Class cabin. Buddha Air also offers sightseeing flights over the Himalayas, including Mt. Everest.