London International Airport (IATA: YXU, ICAO: CYXU) is located 5 nautical miles (9.3 km; 5.8 mi) northeast of the city of London, Ontario, Canada. In 2016, the airport handled 514,685 passengers, and, in 2011, was the 20th busiest in Canada in terms of aircraft movements, with 94,747. Air Canada Express, Swoop, WestJet and WestJet Encore serve London International Airport. It also provides services for cargo airlines. The airport is classified as an airport of entry by Nav Canada and is staffed by the Canada Border Services Agency (CBSA). CBSA officers at this airport can handle aircraft with no more than 180 passengers; however, they can handle up to 450 if the aircraft is unloaded in stages.