Schiffer Acres (3S5) is a public-use airport serving St. Johns, Michigan, at 741 feet above sea level, with CTAF 122.9. Its runways: 08/26 (2,777 × 120 ft, turf).
This diagram plots every runway from the FAA’s surveyed threshold coordinates, so it sits at true heading and true length — a gift for the pilots, students, instructors and families of 3S5.