Table 11-2,,,,,,,,,
Number of Airports,,,,,,,,,
,,Canada ,,,Mexico ,,,United States,
,,,,,,,,,
,1990,1995,1996,1990,1995,1996,1990,1995,1996
,,,,,,,,,
"Airports, total ","1,200","1,146","1,141","2,168","1,809","1,116","12,920","13,145","13,175"
"    Certified airports, total ",448,435,433,82,83,83,U,572,577
       Percent with control towers ,13,10,10,65,67,69,U,U,a67
       Percent with lighted runways ,92,93,93,67,66,67,U,U,a100
    Percent with runways greater than or,,,,,,,,,
"      equal to 3,048 meters (10,000 feet) ",4,4,4,10,10,10,U,U,a19
aPercentages as of April 1998. Historical percentages are unavailable.,,,,,,,,,
KEY: U = Data are unavailable.,,,,,,,,,
NOTES,,,,,,,,,
All Countries,,,,,,,,,
"Data exclude heliports, stolports (short take-off and landing ports) and seaplane bases.",
United States,
Certified airports total for 1990: See Appendix B for an explanation of the number of certified U.S. airports for 1990.,
SOURCES,
Canada,
"Natural Resources Canada. Canada Flight Supplement. (Ottawa, Ont.: 1998).",
"Transport Canada. Aircraft Movement Statistics, TP577. (Ottawa, Ont.: 1998).",
Mexico,
"Secretaría de Comunicaciones y Transportes. Dirección General de Aeronáutica Civil. (Mexico City, D.F.: 1998).",
United States,
U.S. Department of Transportation. Federal Aviation Administration. Statistical Handbook of Aviation-1996. (Washington DC: 1997).,
Web site: api.hq.faa.gov/handbook96/toc96.htm,
"U.S. Department of Transportation. Federal Aviation Administration. Administrators Fact Book, August, 1998 and December 1993.",
"(Washington, DC: 1999 and 1994).",
"U.S. Department of Transportation. Federal Aviation Administration. Private Communication. (Washington, DC: 1998).",
,