Berringer, which produces wheels and brakes, including an anti-lock system for Cirrus aircraft, is currently acquiring worldwide patents for a new tailwheel that the company believes could greatly reduce the possibility of ground-loops in taildragger aircraft. The system is built as a drop-in replacement for Scott tailwheels, which it matches in weight and attachment configuration. Where the Berringer differs is in its use of two pivot points. With the tailwheel "locked" (fixed with springs, but steerable within limits), the system provides a pivot point that is in-line with the wheel's axle. Because there is no caster in that configuration, side loads do not translate into forces that would cause the tailwheel to turn, says Berringer. So, when locked, the tailwheel should track straight in any side load condition that does not cause the tire to skid. But the same tailwheel also has a castering feature, and that's where the patent comes into play.