Airports 451 to 500
Columbiana County Airport
Springfield Regional Medical Center Heliport
UH-Broadview Heights Health Center Heliport
East Liverpool City Hospital Heliport
Miami Valley Hospital Jamestown Heliport
Brentwood Ambulatory Care Center Heliport
Bellefontaine Regional Airport
Southwest General Hospital Heliport
Portage County Regional Airport
Springfield-Beckley Municipal Airport