Baldwin Municipal (7D3) is a public-use airport serving Baldwin, Michigan, at 828 feet above sea level, with CTAF 122.9. Its runways: 05/23 (2,800 × 100 ft, turf); 09/27 (3,800 × 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 7D3.