• Federal Aviation Administration
• AOPA (Aircraft Owners & Pilots Assn)
• U.S. Department of Transportation
• U.S. Army Aviation Technical Test Center
• N T S B - Aviation Accidents - Index of Months
• American Aviation Historical Society
• 18th Aviation Brigade (Army)
• CAA (UK Civil Aviation Authority)
• United Kingdom Air Accidents Investigation Branch
• Aviation Safety Institute
• Aviation Museums in Grt Britain
• National Transportation Safety Board
• Bureau of Transportation Statistics
• Aviation Safety Reporting System

• Airport Consultants Group (ACC)
• Association for Women in Aviation Maintenance (AWAM)
• Science and Technology Academies Reinforcing Basic Aviation and Space Exploration
• Gleim Publications, Inc.
• National Broadcast Pilots Association
• Lawyer Pilots Bar Association
• Aircraft Rescue & Fire Fighting Working Group
• Airfax (tm)
• Airline Suppliers Association
• Airports Council International ACI
• Air Transport Association
• Air Transport Research Group
• Airline Pilots Association ALPA
• American Association of Airport Executives
• Cargo Network Services
• Civil Air Patrol
• Experimental Aircraft Association
• Fédération Aéronautique Internationale FAI
• Flight Safety Foundation
• Ground Effects - Reporting on Aviation Medicine and Groundcrew Error Reduction Efforts
• Helicopter Association International
• National Air Traffic Controllers Association
• National Association of Air Traffic Specialists NAATS
• National Association of State Aviation Officials NASAO
• National Business Aircraft Association
• North Texas Aviation Internet Cooperative
• Practical Rotorplane Association
• Professional Pilots Rumour Network
• Regional Airline Association
• Soaring Society of America
• INFORMS Section on Aviation Applications
• Airline Group of the International Federation of Operational Research Societies (AGIFORS)
• Washington Airport Management Association (WAMA)
• National EMS Pilots Association
• Aviation Data Systems
• C.A.S.E. Incorporated - Coordinating Agency for Supplier Evaluation

Please tell us what we're missing! Please provide URL's

• Aircraft Electronics Association (AEA)
• Air Transport Association (ATA)
• American Institute of Aeronautics and Astronautics (AIAA)
• ARINC
• ATN Consortium
• General Aviation Manufacturers Association (GAMA)
• Helicopter Association International
• Maintenance and Ramp Safety Society (MARSS)
• National Aircraft Resale Association (NARA)
• National Air Transportation Association (NATA)
• National Business Aviation Association (NBAA)
• National Business Travel Association (NBTA)
• RTCA, Inc.
• Society of Automotive Engineers (SAE)
• Vertical Flight Society

• Air & Space Smithsonian
• Aviation Week Online
• Aviation Week Forum
• Business & Commercial Aviation
• FAA Aviation News
• Flight Training Magazine