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.
AirNav: Airport Information - - Detailed airport information, including all airport and navigational aid communications frequencies.
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.
AOL City Guide - Local Airports - - A "print it and go" guide to airports across the country. Parking, how to get to and from the airport, and how to avoid frustrations.
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.