James Clements Municipal (3CM) is a public-use airport serving Bay City, Michigan, at 584 feet above sea level, with CTAF 122.725. Its runways: 05/23 (2,599 × 75 ft, asphalt); 18/36 (3,798 × 75 ft, asphalt).
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 3CM.