Airports 501 to 550
Baylor Scott & White Round Rock Medical Center Heliport
St. David's Round Rock Medical Center Heliport
Ascension Seton Northwest Heliport
Mabry Army National Guard Heliport
Someday Ranch Airport
William P. Hobby Airport
The Carter Memorial Airport
South Austin Medical Center Heliport
St. David's Georgetown Hospital Heliport
Ascension Seton Edgar B Davis Hospital Heliport