AeroPlanner.Com Airport Directory
   Search by ID and facility name. Provides information on facilities, communications, runways, location, notams, charts, approach plates, nearby facilities, remarks and user comments.
   http://www.aerochart.com/mapping/chart/aptsel.cfm

AirNav: Airport Information
   Detailed airport information, including all airport and navigational aid communications frequencies.
   http://airnav.com/airports/

Airports America
   Operator, address, phone number, brief summary, link to official facility web site, parking, limousine, bus, shuttle service and accommodation information. Also information on how to list facilities and services.
   http://www.airportsamerica.com/

Civil Air Patrol Airfield Photos
   Aerial pictures of runways and facilities from up to four different angles.
   http://www.capnhq.gov/airfield/default.asp

Digital City
   A "print it and go" guide to facilities across the country. Find out where to get the cheapest parking, how to get to and from the facilities, and how to avoid the most common frustrations.
   http://home.digitalcity.com/airports/

FAA Air Traffic Control System Real-time Airport Status
   Data on the current operating status of all US commercial airports: identifies those that are closed or experiencing flight delays.
   http://www.fly.faa.gov/flyfaa/usmap.jsp

FAA Office of Airports
   Information on safety and wildlife issues, design, engineering and construction, financial assistance and Part 139 Certification. Forms, reports, data, news, publications, and advisory circulars can also be found.
   http://www.faa.gov/arp/