Armed Reconnaissance Helicopter An armed reconnaissance helicopter is a light helicopter armed for self defense and rudimentary combat abilities. It can refer to any of the following. Armed Reconnaissance Helicopter was a U.S. Army project to replace the OH-58D Kiowa Warrior, resulting in the RAH-70. Tiger ARH is a version of the Eurocopter Tiger, used by the Australian Army. MH-6 OH-58D Retrieved from "http://en.wikipedia.org/wiki/Armed_Reconnaissance_Helicopter"