The Robinson R44 first flew on March 31, 1990, and entered production in 1992. The four-seat single-engine piston helicopter became the most-produced civilian helicopter in the world by the early 2000s, with thousands of airframes flying in private, training, EMS, news, and law enforcement roles globally.
A full description for R-44 is on the way. In the meantime, you can fly this helicopter right now in the Absolute RC online flight simulator.
A helicopter scale subject for rotorcraft practice.