Vietnam operates 20 major civil airports, including three international gateways: Noi Bai in Hanoi, Da Nang International Airport in Đà Nẵng and Tan Son Nhat in Ho Chi Minh City. Tan Son Nhat is the country's largest airport handling the majority of international passenger traffic. According to a government-approved plan, Vietnam will have another seven international airports by 2025, including Vinh International Airport, Phu Bai International Airport, Cam Ranh International Airport, Phu Quoc International Airport, Cat Bi International Airport, Can Tho International Airport, and Long Thanh International Airport. The planned Long Thanh International Airport will have an annual service capacity of 100 million passengers once it becomes fully operational in 2025. Vietnam Airlines, the state-owned national airline, maintains a fleet of 86 passenger aircraft and aims to operate 170 by 2020. Several private airlines also operate in Vietnam, including Air Mekong, Bamboo Airways, Jetstar Pacific Airlines, VASCO and VietJet Air. As a coastal country, Vietnam has many major sea ports, including Cam Ranh, Đà Nẵng, Hải Phòng, Ho Chi Minh City, Hạ Long, Qui Nhơn, Vũng Tàu, Cửa Lò and Nha Trang. Further inland, the country's extensive network of rivers plays a key role in rural transportation with over  of navigable waterways carrying ferries, barges and water taxis.