Airports 501 to 550
Children's Hospital St Paul Heliport
Missouri Valley Airport
Madison Community Hospital Heliport
Saint Paul Downtown Holman Field
Regions Hospital Heliport
Red Wing Regional Airport
Maple Lake Municipal Airport
Gundersen Palmer Lutheran Hospital Heliport
St Croix Riviera Airport
Kollar's Shoreview Marine Seaplane Base
Wayne Municipal Airport / Stan Morris Field
Rushford Municipal Airport - Robert W Bunke Field