This robust helicopter wound up being intoduced through mid-fifties and may also are understood rotor-blade aircraft world-wide. Reliability is its most readily useful function. It proved designed for the U.S. Army through Vietnam war. Many UH-ls could be within solution as transport, ambulance and assault aircraft. Licensed manufacturing in Italy, Germany and Japan causes it to be the main armed and authorities forces higher than fifty countries. Presently twin-engine variations (Italeri kit no. 847) are increasingly being produced. This helicopter might provide another 2 full decades or maybe more.