Model Aviation
- 261
- South Midlands Soaring Association
- Warwickshire - Radio control slope soaring and silent flight club.
- 262
- Southern Ontario Glider Group Inc.
- Promotes RC soaring, electric flight, and rubber freeflight in south-central Ontario.
- 266
- Tidewater Model Soaring Society
- Provides information, flying sites, calendar, newsletters and photos. Tidewater, VA
- 267
- Two Oceans Slope Soarers
- Cape Town, South Africa - Radio control slope soaring and electric model aircraft flying group.
- 268
- VSA
- The Purpose of the Vintage Sailplane Association is to promote the acquisition, restoration, and flying of vintage sailplanes by its members and to assist the National Soaring Museum.
- 269
- Central Oklahoma Radio Control Society
- Norman - RC model aviation club information, events, pictures, history, field map, and related links.
- 270
- OK Sooner Squadron
- Guthrie - RC model aviation club information, events, pictures, videos, and contacts.
- 271
- Stillwater R/C Flyers
- A RC model aircraft club made up of members with 30 years experience in modeling, as well as beginners.
- 272
- Westside RC Flyers
- Oklahoma City - Model aviation club information, pictures, events, field map, newsletter, and related links.
- 273
- Radio Controlled Soaring Digest
- Reader-written monthly publication for the R/C sailplane enthusiast. Published since 1984 and dedicated to the sharing of technical and educational information.
- 275
- Cincinnati Silent Flyers
- Springfield Township - Model aviation group's information, field map, pictures, videos, rules, events, and forum.
- 276
- Greater Cincinnati Radio Control Club
- Model aviation group presents their club information, flying site data, events, history, contacts, photos, and related links.
- 277
- Hawks
- Hamilton Area Wireless Kontrol Society - Club information, events, photos, calendar, and related links.
- 278
- Ohio Radio Kontrol Society
- Columbus - Was formed in the early 1980s by a group of men who were flying radio controlled model airplanes in western Franklin County.