Fernandina Beach Municipal Airport (ICAO: KFHB, FAA LID: FHB, formerly 55J) is a city-owned public-use airport located on Amelia Island three nautical miles (6 km) south of the central business district of Fernandina Beach, a city in Nassau County, Florida, United States.

[2] Fernandina Beach Municipal Airport was developed as a training facility by the United States Navy during World War II, serving as Outlying Field Fernadina Beach (OLF Fernadina Beach) to the Naval Air Station Jacksonville complex.

It is occasionally used as a practice airfield by U.S. Navy helicopters from NAS Jacksonville and Naval Station Mayport and by U.S. Coast Guard and Florida Army National Guard helicopters from Cecil Field.

[3] Fernandina Beach Municipal Airport covers an area of 848 acres (343 ha) at an elevation of 16 feet (5 m) above mean sea level.

[1] For the 12-month period ending February 7, 2018, the airport had 47,000 aircraft operations, an average of 129 per day: 95% general aviation, 3% air taxi and <1% military.