USA Airports
- Includes airport location, runway information, radio navigation aids, communication frequencies, nearby hotels, maps, aircraft registration database and photo gallery.
- http://www.airport-data.com

Airport-Guides.com
- Guides to more than 200 international airports with information on facilities, transport, and local contacts.
- http://www.airport-guides.com/

Airport List
- Directory of more than 9,000 worldwide airports by name, location, and airport code.
- http://www.airportlist.com/

AirNav
- A directory that includes airport location, runway information, radio navigation aids, communication frequencies, FBO information, fuel prices.
- http://www.airnav.com

Airports Directory of the World
- Find international and regional airports on the web.
- http://www.magyx.com/airports/index.phtml

International Airports
- Guide to the world's international airports, with timetables, arrivals, on-line bookings, hotels, car rentals, and destination guides.
- http://international-airports.com/

World Airport Guide
- Guide to over 200 airports around the world, with maps, driving directions, business and shopping facilities, airport hotels, and public transport.
- http://www.worldairportguide.com/

World Airport Guides
- Guide featuring airport information, airport hotels, car rental, car parking and maps.
- http://www.worldairportguides.com/