By Name:

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Organizations: Index-R

• Radomes The Air Defense Radar Veterans Association.
• Raider Pilots Association The purpose of the organization is to support and promote an interest in aviation among Texas Tech University Students.
• Rainbow Flyers Pilots Association: RFPA, a Dallas-Based gay and lesbian professional aviation organization. Members of the National Gay Pilots Association.
• Real Estate Aviation Chapter #53 R.E.A.C. A social organization for Realtors who fly their own aircraft, use aircraft as a business tool, or just have an interest in aviation.
• Recreational Aircraft Association: Brampton Airport, Ontario, Canada.
• Recreational Aircraft Association - Chapter 4956 Sudbury, Canada. Focus is mainly on homebuilding an recreational flying.
• Rednal Raiders Dedicated to operating, maintaining and restoring Classic, Vintage, Warbird and Sport Aircraft, and also promoting the survival of this historic Wartime RAF Airfield known as Rednal Aerodrome located in Shropshire, England.
• Reel Hang Glider Pilots Association: Static line towing club in the Chicago area. Several great sites in IL, WI, IN, MI.
• Regional Air Service Initiative (RASI): Centralized resource for all manner of information regarding regional airlines, aircraft and air service.
• The Regional Airline Association RAA represents U.S. regional airlines and the suppliers of products and services that support the industry, before the U.S. Congress, Federal Aviation Administration, Department of Transportation and other federal & state agencies.
• Reid-Hillview Airport Association: A not-for-profit organization whose goals are the betterment of the quality of the airport, its users, its management, and most important, its neighbors.
• Remote Area Medical: Volunteer Corps - a non-profit, volunteer, airborne relief corps dedicated to serving and providing free health care, dental care, eye care, veterinary services, and technical and educational assistance to people in remote areas of the United States and the world.
• Reno Air Racing Association: The official site of The Reno Air Racing Association, Inc. and the National Championship Air Races.
• Replica Fighters Association Preserving aviation history through low cost flying replicas.
• Retired Eastern Pilots Association: Eastern History, Eastern pilot stories, Eastern chat, Eastern Online Catalog, Aviation Links, Eastern Aircraft, Pilot Bulletin Board.
• Rhein Main Aviation Society e.V. Informations and pictures from Frankfurt airport.
• Rhode Island Pilots Association: News, events, meeting notices, fly-ins, and information.
• Rotex Owners Association: Providing aircraft engine service information, technical bulletins and other necessary owner/operator news.
• Royal Aero Club The national aero club of the United Kingdom. Coordinates all British recreational and competitive sport flying.
• Royal Aeronautical Society The RAeS headquarters in London is dedicated to the global Aerospace community.
• Royal Aeronautical Society - Australian Division: The Royal Aeronautical Society (RAeS) Australian Division homepage.
• Royal Aeronautical Society Human Factors Group
• The Royal Air Force Benevolent Fund Enterprises - RAFBFE: Organises the annual Royal Air Force Band Concert Tours to venues throughout the UK, staging the Royal International Air Tattoo. Sell related gifts and souvenirs.
• The Royal Air Forces Association (R.A.F.A.) An organization of some 110,000 members which has its roots in the Old Comrades' Association of both the Royal Air Force (R.A.F.) and the Women's Auxiliary Air Force (W.A.A.F.).
• Royal Belgian Aeroclub Aéroclub Royal de Belgique - the Belgian association of specialised air sport associations: Balloons, Sport Aviation, Aeromodels, Gliders, Ultra Lights, Free Flight, Skydive.
• Royal Flying Doctor Service of Australia - RFDS (official) Its 33 aircraft fly over 5 million miles each year, bringing medical attention to more than 100,000 patients.
• Royal Flying Doctor Service of Australia: Information about australian flying doctors.
• Razorback Wing Of The Confederate Air Force Dedicated to the preservation of the world's great aircraft 1939-1945. The site feature a great photo gallery, free screensaver.
• RTCA, Inc.: RTCA, Inc. coalesces aviation requirements and recommendations regarding the implementation of concepts, performance standards and technical guidance information. View meeting schedules, upcoming events, and order documents.