HEATKEYS

Free open-source tool for logging, mapping, calculating and sharing your flights and trips.

One-stop aviation information - includes airport location, runway information, radio navigation aids, communication frequencies, nearby hotels, maps, aircraft registration database, airport photo and airplane photo gallery.

AirNav provides free detailed aeronautical information on airports and other information to assist pilots in gathering information for flight planning. It

GCR Inc., based in New Orleans, Louisiana, provides consulting services and software solutions to clients in diverse fields, including urban & transportation planning, disaster recovery, campaign & election demographics, and airport and aviat...

X-Plane airport & navigation data home page

The Aircraft Owners and Pilots Association (AOPA), a not-for-profit individual membership association, effectively serves the interests and needs of its members as aircraft owners and pilots, and establishes, maintains, and articulates positions of ...

Airport Database has information about airport codes, runway,IATA, ICAO, latitude, longitude, airport location, elevation, timezone radio navigation aids, communication frequencies, airlines data, routes and maps.

The Great Circle Mapper displays maps and computes distances along a geodesic path. It includes an extensive, searchable database of airports and other locations.