Airports 4,001 to 4,050
Allen H Tigert Airport
Caribou Memorial Hospital Heliport
Oakland County International Airport
Oakland Southwest Airport
Huron Valley Sinai Hospital Heliport
Cass Lake-Cove Island Seaplane Base
St. Joseph Mercy Oakland-Bassett Street Helipad
Ann Arbor Municipal Airport
St Joseph Mercy Ann Arbor Hospital Heliport