Greenville Municipal (6D6) is a public-use airport serving Greenville, Michigan, at 854 feet above sea level, with CTAF 122.8. Its runways: 10/28 (4,199 × 75 ft, asphalt); 18/36 (1,730 × 200 ft, turf).
This diagram plots every runway from the FAA’s surveyed threshold coordinates, so they sit at true heading and true length — a gift for the pilots, students, instructors and families of 6D6.