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- Ulster Aviation Society:
A group whose main aim is the establishment of an aviation museum in Northern Ireland.
- United India Paragliding Association
A leading source of information about paragliding and related airsports in India.
- United States Aerobatic Foundation
The Home of the United States Aerobatics Teams. Find out what's happening in the world
of international aerobatic competition. News, merchandise and valuable information.
- United States Hang Gliding Association
USHGH is a sport organization dedicated to the exploration and promotion of all facets of
unpowered ultralight flight, and to the education, training and safety of its membership.
- United States Parachute Association:
Home page of USPA
- United States Pilots Association:
Organization of general aviation pilots who are dedicated to protecting
General Aviation in the US.
- University Aviation Association
Represents colleges, faculty and students, corporations, and professional, in developing and
promoting collegiate aviation.
- Unusual Attitudes:
Serving Southern California/Southwest U.S. Dedicated to providing an enjoyable
social atmosphere for all gay, lesbian, bisexual and transgendered members of
the aviation community.
- US Air Rally Association
Find out more about the international sport of Air Rallying.
- US Airways Pilots Association
The Air Line Pilots Association represents over 5,000 professional pilots at US Airways
- USN GCA/ATC Association
US Navy Ground Controlled Approach / Air Traffic Control - a group organized to maintain
communication and fellowship between retired and active duty Navy personal involved in the
control of air traffic in the US Navy.
- U.S. Ultralight Association:
USUA is the organization whose members seek to "Promote, Protect and Represent"
ultralight aviation in the United States