Airports 3,551 to 3,600
SSM Health St. Clare Hospital-Fenton Heliport
Mason City Municipal Airport
Kauffman Airfield Ultralight Flightpark
Carl R Keller Field
Kettering Health Greene Memorial Hospital Heliport
Unionville Municipal Airport
North Bass Island Airport
Putnam County Memorial Hospital Heliport
Howard Young Medical Center Heliport
Middle Bass Island Airport
North Michigan Hospitals Inc Heliport
Hamilton Memorial Hospital Heliport