
Aviation Organizations and Associations
There are several aviation organizations and associations that play a significant role in the aviation industry.

Here are some of the most prominent ones:
International Civil Aviation Organization (ICAO)
999 University Street
Montreal, Quebec, Canada H3C 5H7
+1 514-954-8219
A specialized agency of the United Nations that promotes the safe and orderly development of international civil aviation.
International Air Transport Association (IATA)
800 Place Victoria
P.O. Box 113 Montreal, Quebec
Canada H4Z 1M1
Main switchboard: +1 514-874-0202
Customer Service: +1 800-716-6326 (North America)
A trade association for the world’s airlines, representing about 290 airlines, comprising 82% of global air traffic.
Airports Council International (ACI)
800 Rue du Square-Victoria
Montréal, QC H4Z 1G8, Canada
+1 514-373-1200
A non-profit organization that represents the world’s airports and their interests, promoting professional excellence in airport management and operations.
Civil Air Navigation Services Organization (CANSO)
Tower 42
25 Old Broad Street
London EC2N 1HN
United Kingdom
+44 20 7874 6500
An organization representing the air traffic management industry, aiming to improve safety, efficiency, and capacity of air traffic management globally.
Aircraft Owners and Pilots Association (AOPA)
421 Aviation Way
Frederick, MD 21701
USA
+1 800-872-2672
A non-profit organization that advocates for general aviation, representing pilots and aircraft owners, and promoting the freedom to fly.
National Business Aviation Association (NBAA)
1200 G Street NW, Suite 1100
Washington, DC 20005
USA
202-783-9000
A non-profit organization that represents companies that rely on general aviation aircraft for business purposes, advocating for the industry and promoting safe operations.
Experimental Aircraft Association (EAA)
3000 Poberezny Road
Oshkosh, WI 54902
800-564-6322
A non-profit organization that represents amateur-built and experimental aircraft enthusiasts, promoting innovation and education in aviation.
General Aviation Manufacturers Association (GAMA)
1400 K Street, NW
Suite 801
Washington, DC 20005
202-393-1500
A trade association that represents the global general aviation manufacturing industry, promoting safety, technology, and sustainability.
Helicopter Association International (HAI)
1920 Ballenger Avenue, 4th Floor
Alexandria, VA 22314
703-683-4646
A non-profit organization that represents the international helicopter industry, promoting safety, education, and support for its members.
International Society of Transport Aircraft Trading (ISTAT)
12100 Sunset Hills Road, Suite 130
Reston, VA 20190
703-610-0200
A non-profit organization that brings together professionals involved in the aviation industry, promoting networking, education, and development of the aviation industry.