Oceana County (C04) is a public-use airport serving Hart/Shelby, Michigan, at 915 feet above sea level, with CTAF 122.7. Its runways: 09/27 (3,500 × 75 ft, asphalt); 15/33 (2,251 × 100 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 C04.