Tinian International Airport, also known as West Tinian Airport, is a public airport located on Tinian Island in the United States Commonwealth of the Northern Mariana Islands. This airport is owned by Commonwealth Ports Authority. This airport is assigned a three-letter location identifier of TNI by the Federal Aviation Administration, but the International Air Transport Association (IATA) airport code is TIQ. The International Civil Aviation Organization (ICAO) airport code is PGWT.