Airports 4,501 to 4,550
Jacksonville Municipal Airport
Pittsfield Penstone Municipal Airport
Box Butte General Hospital Med-I-Port Heliport
Saginaw County H.W. Browne Airport
Passavant Area Hospital Heliport
Alliance Municipal Airport
Franciscan Health Rensselaer Heliport
Illini Community Hospital Heliport
Michigan National Guard Headquarters Heliport
McLaren Greater Lansing Hospital Heliport