|Ownership and usage||Airports||Heliports||STOLports||Seaplane bases||Total|
|Open to public||17||0||0||0||17|
|Closed to public||0||7||0||0||7|
|Open to public||18||0||0||3||21|
|Closed to public||120||57||1||3||181|
1 Data are current as of Jan. 31, 2002.
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.
SOURCES: U.S. Department of Transportation, Federal Aviation Administration, Office of Airports, Airport Safety Data Branch.