Airports 351 to 400
![Regional airport medium airport marker](/images/maps/medium-airport-marker.png)
Davison Army Air Field
![Small airport small airport marker](/images/maps/small-airport-marker.png)
Smoketown Airport
![Heliport heliport marker](/images/maps/heliport-marker.png)
Lancaster General Hospital Heliport
![Heliport heliport marker](/images/maps/heliport-marker.png)
Commonwealth Security Systems Heliport
![Closed airport closed airport marker](/images/maps/closed-airport-marker.png)
Burle-Lancaster Heliport
![Small airport small airport marker](/images/maps/small-airport-marker.png)
St. Mary's County Regional Airport
![Heliport heliport marker](/images/maps/heliport-marker.png)
Lgh-Women and Babies Hospital Heliport
![Regional airport medium airport marker](/images/maps/medium-airport-marker.png)
Patuxent River Naval Air Station (Trapnell Field)
![Small airport small airport marker](/images/maps/small-airport-marker.png)
Frederick Municipal Airport
![Heliport heliport marker](/images/maps/heliport-marker.png)