|Ownership and usage||Airports||Heliports||STOLports||Seaplane bases||Total|
|Open to public||72||1||0||4||77|
|Closed to public||2||10||0||0||12|
|Open to public||37||1||0||0||38|
|Closed to public||382||99||2||8||491|
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.
SOURCE: U.S. Department of Transportation, Federal Aviation Administration, Office of Airports, Airport Safety Data Branch.