Gastonia airfield has class G airspace surface to 700 feet. (Depicted by the magenta vignette outlines in area) Above 700 and you need atc authorization. For recreational use you must contact the airport if within 5 miles and tell them your plans. Even if they tell you to never call back, you need to tell them each time. This includes heliports and sea plane ports. (Public Law 112-95, Section 336).
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