World Airport Database – Airport database with information on over 33,000 airports in 228 countries. Search unique codes (ICAO, IATA, FAA) for airport details, including satellite maps.
Airport Data – Includes airport location, runway information, radio navigation aids, communication frequencies, nearby hotels, maps, aircraft registration database, airport photo and airplane photo gallery.
iFly.com – Lists over 700 airports with information on how to get there, airport maps, parking and more.
Airport Desk – Information on airports worldwide
Airport List – Directory of 9000 worldwide airports.