|Ownership and usage||Airports||Heliports||STOLports||Seaplane bases||Total|
|Open to public||22||0||0||0||2|
|Closed to public||0||5||0||0||5|
|Open to public||0||1||0||0||1|
|Closed to public||0||8||0||0||8|
1 Data are current as of Jan. 31, 2002.
2 Refers to Washington Dulles International and Ronald Reagan Washington National. Both airports are located in Virginia but included here because the address of the airports' owner, the Metropolitan Washington Airports Authority, is in the District of Columbia.
KEY: STOLport = Short take-off and landing airport.
NOTE: Publicly owned facilities are open for public use with no prior authorization or permission. Publicly owned facilities closed to the public include medical, law enforcement, and other such facilities.
SOURCE: U.S. Department of Transportation, Federal Aviation Administration, Office of Airports, Airport Safety Data Branch.