Collection of military and civilian aircraft radio identifiers used in air-to-air and air-to-ground communications.

Aviation photos and spotting information from Faro airport in south Portugal.

Images of airliners at the Narita and Haneda airports in Japan with an emphasis on speciality paint schemes.

Guide to help the average person identify the various types of aircraft found at most airports.

Civil airliners photos from Paris and other places. Also included turboprop production list, with aircraft specifications. [English and French languages]

Provides radio frequencies, callsigns, sound clips of military inflight communications, serial numbers, photographs and links.

Registration and photos of Italian light aircraft, motorgliders, and homebuilts.

Weblog with aircraft photos from various spotting trips.

Photo galleries with emphasis on military aircraft. Downloadable GPS spotter locations in the Netherlands, Belgium, Germany, France, Switzerland, Italy and the United Kingdom

German commercial aviation fan club. Provides information on meetings, aircraft movement lists, and a photo gallery. [English and German languages.]