Cox-Grantham Annual Spring Flyin. NorthCarolina identifier 6NCO. Saturday May 2nd. we are located 10 miles east of Seymour Johnson Airforce Base (Goldsboro) North Carolina.. 2800' smooth grass, fuel on site, BBQ lunch(great). look forward to seeing any and everyone. 122.9 unicom. We had 45 planes last year at flying. had a great time. any questions text or call 919-922-5346 Jonathan Gurley thanks.