Airports 4,001 to 4,050
Adair County Memorial Hospital Heliport
Springfield Regional Medical Center Heliport
Pelee Island Airport
MidMichigan Medical Center-Alpena Heliport
St Clair County International Airport
St James Municipal Airport
E.W. "Cottton" Woods Memorial Airport
Elton Hensley Memorial Airport
Estherville Municipal Airport
Stoney Point (Le Cunff) Airport
Mercy Health Fairfield Hospital Heliport
Hamilton County Sheriff's Patrol Heliport
Madison Municipal Airport