Early transport helicopters were burdened by the weight of their piston engines, in this case a 700-hp Wright R-1300 Cyclone. 52-7602 was delivered to the US Army on 14 September 1953. To N55233 in 1971. N55233 cancelled in 2013.
This photo was added on 19 December 2018, and has since been viewed 20 times.