International Civil Aviation Organization
http://www.icao.org

International Federation of Air Traffic Controllers' Associations
http://www.ifatca.org

EUROCONTROL - European Organisation for the Safety of Air Navigation
http://www.eurocontrol.int

European Civil Aviation Conference
http://www.ecac-ceac.org

Flight Safety Foundation
http://www.flightsafety.org

Aviation Safety Network
http://aviation-safety.net

Aircraft Crashes Record Office
http://www.baaa-acro.com

AirDisaster.Com
http://www.airdisaster.com

Plane Crash Info.com
http://www.planecrashinfo.com

AIRLINERS.NET
http://www.airliners.net

justplanes.com
http://www.justplanes.com

Thirty Thousand Feet
A large aviation directory with thousands of links to aviation web pages, aviation news, FAQs, and other sources of commercial, military, and general aviation information.
http://www.thirtythousandfeet.com

Air Traffic Control Luxembourg
http://www.atc.lu

UK Airport News
http://www.uk-airport-news.info

Skybrary
http://www.skybrary.aero