Airports 4,001 to 4,050
Springfield Regional Medical Center Heliport
Alpena County Regional Airport
Greenfield Municipal Airport
E.W. "Cottton" Woods Memorial Airport
Madison Municipal Airport
Elton Hensley Memorial Airport
Hamilton County Sheriff's Patrol Heliport
Mercy Health Fairfield Hospital Heliport
TriHealth Group Health Western Ridge Heliport
Adair County Memorial Hospital Heliport
Cambridge Municipal Airport
Pelee Island Airport