The UH-1H "Huey" helicopter was a Bell Helicopter UH-1H Iroquois powered by one 1,400 Shaft JP Lycoming Turbo Shaft engine and served from 1967 to 2016. Its primary user was the US Army. Its crew included a pilot, co-pilot, or gunners, and a crew chief. Its primary uses were utility, Air Assault, carrying up to 14 troops, air ambulance, and gunship duties. It had a maximum speed of 148 MPH, weighed 4,793 lbs empty, and had a maximum takeoff weight of 9,500 lbs. Its armament varied and could include 7.62 mm M60 machine guns in the doorways, aerial rockets, and a six-barrel rotary minigun.