Kongelig Flyfabrikk

Kongelig Flyfabrikk is a State Owned aircraft manufacturing company owned almost wholly by the Ringerike Government. The company manufactures both domestically designed and licensed foreign designs ranging from frontline combat aircraft to basic trainers and utility aircraft. The company was formed in 1920 to develop an indigenous aviation design and production capability. It operates alongside Hansen Flyfabrikk with a specific focus of jet powered aircraft, whereas Hansen largely specializes in Turboprop and Piston powered aircraft.

Products
Kongelig Flyfabrikk has been responsible for the design and production of some of Ringerike's most capable combat aircraft including:


 * The KF J.12 Fortropp, currently in service with the Royal Ringerike Air Force as a front line fighter aircraft.
 * The KF S.76 Valkrje, Currently in service as an Interdictor/Strike Aircraft with several air forces.
 * The KF J.60 Gungnir, a supersonic interceptor entering service in 1960.
 * The J.71 Torden, a supersonic, canard-delta layout, fighter entering service in 1971.
 * The J.49 Tønne Ringerike's first jet fighter, entering service in 1949.
 * The S.65 Sjørover a carrier capable low level strike/interdictor aircraft, entering service in 1965.