Aircraft Owners and Pilots Association (800/USA-AOPA) 340,000
American Bonanza Society (316/945-6913) 9,700
American Helicopter Society (703/684-6777) 6,000
Antique Airplane Association (515/938-2773) 6,500
Balloon Federation of America (515/961-8809) 4,650
Cessna Pilots Association (800/852-2272) 10,000
Civil Air Patrol (800/FLY-2338) 57,228
Confederate Air Force (915/563-1000) 7,400
Experimental Aircraft Association (800/JOIN-EAA) 160,000
Flying Dentists Association (770/457-1351) 450
Flying Funeral Directors of America (847/931-4232) 105
Flying Physicians Association (407/359-1423) 1,000
General Aviation Manufacturers Association (202/393-1500) 52
Helicopter Association International (703/683-4646) 2,750
International Aerobatic Club (920/426-4800) 6,000
International Flying Farmers (316/943-4234) 3,200
International Wheelchair Aviators (909/585-9663) 250
Lawyer-Pilots Bar Association (301/972-7700) 1,250
Living With Your Plane Association (206/471-9888) 550
Mooney Aircraft Pilots Association (210/525-8008) 5,000
National Aeronautic Association (703/527-0226) 10,000
National Agricultural Aviation Association (202/546-5722) 1,200
National Air Transportation Association (703/845-9000) 1,800
National Association of Flight Instructors (920/426-6801) 3,500
National Association of Priest Pilots (785/543-5367) 140
National Association of State Aviation Officials (301/588-0587) 52
National Business Aviation Association (202/783-9000) 5,100
National Council for Women in Aviation/Aerospace (800/727-6292) 340
Seaplane Pilots Association (301/695-2083) 6,154
Silver Wings Fraternity (703-323-8763) 2,770
Soaring Society of America (505/392-1177) 13,500
The Ninety-Nines (405/685-7969) 6,000
United States Ultralight Association (301/695-9100) 14,000
Women in Aviation International (937/839-4647) 2,200