Treasure Coast International Airport (IATA: FPR, ICAO: KFPR, FAA LID: FPR) is a public airport located three miles (5 km) northwest of the central business district of Fort Pierce, a city in St. Lucie County, Florida, United States. It is owned by the St. Lucie Board of County Commissioners.

The airport sees frequent use by various aviation flight schools in south Florida, including three based at the airport, for general aviation flight training traffic. The airport also hosts a Federal Inspection Station (FIS) administered by United States Customs & Border Protection, which makes it a frequent stop for private aircraft coming in and out of the Bahama Islands.

DayJet provided an on-demand jet air taxi service from this airport before they suspended operation in September 2008.

The history of the airport dates back to 1921 when The Commercial Club of Fort Pierce built an airport where the local American Legion building now stands on U.S. Route 1 for an airline that never got off the ground. Nine years later, the county purchased 1,600 acres (6.5 km²) of land that eventually became the current airport; however the first commercial airport was dedicated in 1935 in an area in the vicinity of U.S. Route 1 and Edwards Road.

The current airport, originally named Fort Pierce Airport, was leased during World War II by the U.S. Navy as an auxiliary field for pilots and flight crews from Naval Air Station Vero Beach, Naval Air Station Melbourne and Naval Air Station Fort Lauderdale for conducting daytime and nighttime field carrier landing practice (FCLP) prior to landing on actual aircraft carriers. Scout aircraft, dive bombers and torpedo attack bombers utilized the runways, which were redesigned by the military to better accommodate naval aviation training requirements. In 1947, the Navy disestablished operations and the U.S. Government conveyed the airport back to the county, to include two newly constructed runways, without charging for the improvements made.

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