Some helicopter simulators that you can use at home are Lama X, Huey X, the Seahawk & Jayhawk X Add On Helicopter Flight Simulator, Microsoft Flight Simulator 2002, Dodosim Bell 206 Jetranger Helicopter Flight Simulator and Take on Helicopters. Each are available for PC flight simulation as of 2015.
Fly Logic's Lama X simulates the workhorse helicopter. Huey X simulates the Bell UH-1, which was in use during the Vietnam war. The Seahawk & Jayhawk X Add On includes those helicopters employed by the United States Navy and Coast Guard. Microsoft Flight Simulator 2002 simulates many helicopters, including the Bell 206 B111 Jetranger. The Dodosim simulator has the Bell 206 Jetranger, and Take on Helicopters has multiplayer cooperative and competitive scenarios.