Blackwell Field (FAA LID: 71J) is a public-use airport located two nautical miles (2.3 mi; 3.7 km) southeast of the central business district of Ozark, in Dale County, Alabama, United States.

[1] It is included in the FAA's National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.

[2] Blackwell Field covers an area of 114 acres (46 ha) at an elevation of 356 feet (109 m) above mean sea level.

[1] For the 12-month period ending March 4, 2010, the airport had 91,500 general aviation aircraft operations, an average of 250 per day.

At that time there were 26 aircraft based at this airport: 58% single-engine, 15% multi-engine, 4% jet and 23% helicopter.