Ray Smith, rcCFI - Professional R/C model airplane flight instruction in Monterey, California, model airplane projects by the author and related links.
Smokin' Joe's Model Airplane Page - Personal R/C model airplane page with picture page and basic aeronautics page. By Joe Kisinger.
Society for Technical Aeromodel Research - Ambitious plan to build and fly an 11-pound R/C model aircraft across the Atlantic ocean! Members are located in Maryland and the U.K.
Solinger Modellflughafen  Solingen, Germany Virtual Modelairplane museum
South Philly    - Bradenton, Fl
Sportrc - Coverage of R/C events in Central Canada, beginners and a guide for visisting Oshkosh AirVenture. By Ken Kalynuk.
STAG ONE - The story of the Special Task Air Group One, the US Navy's top-secret use of R/C, television guided assault drones against defended enemy targets in the South Pacific during WWII. By Norman Tengstrom.
  SquadronLeader.co.uk Kent, United Kingdom Squadron Leader specialise in getting you flying. We stock ready to fly electric planes including the ParkZone Spitfire, ParkZone Mustang P51, ParkZone Focke Wulf 190 and HobbyZone Super Cub.  
Sunstar R/C - Info and tips for beginners to R/C cars. By Justin Simson. - Info and tips for beginners to R/C cars. By Justin Simson.
Sungwoo Engineering - Prototype aircraft modeling and testing, development of military target drones, R/C aircraft and accessories. Located in Korea.