The Boeing Vertol YUH-61 (company designation Model 179) was a twin turbine-engined, medium-lift, military assault/utility helicopter. The YUH-61 was the runner-up in the United States Army Utility Tactical Transport Aircraft System (UTTAS) competition in the early 1970s to replace the Bell UH-1 Iroquois helicopter.

The Sikorsky UH-60 Black Hawk is a four-blade, twin-engine, medium-lift military utility helicopter manufactured by Sikorsky Aircraft. Sikorsky submitted a design for the United States Army 's Utility Tactical Transport Aircraft System (UTTAS) competition in 1972.

Dec 19, 2023 · The YUH-61 was developed as a twin turbine-engined, medium-lift, military assault/utility helicopter. Its primary purpose was to potentially replace the Bell UH-1 Iroquois helicopter, a mainstay of the U.S. Army at the time.

The YUH-61 was the runner-up in the United States Army Utility Tactical Transport Aircraft System (UTTAS) competition to replace the Bell UH-1 Iroquois helicopter. Three aircraft were built for the Army competition held in 1976.

Apr 11, 2018 · Boeing Helicopter entered the YUH-61 in competition against the Sikorsky Blackhawk as the replacement for the UH-1 in the 70’s. The Black Hawk would go on to win and this aircraft is the remaining survivor of the program.

The YUH-61A, as the Army designated the Boeing-Vertol machine, featured a four-bladed hingeless main rotor made of composite materials, had built-in work platforms that allowed easy access to all critical mechanical components, and was somewhat smaller and some 540kg lighter than Sikorsky's competing YUH-60A.

Jul 7, 2011 · YUH-61A The Boeing-Vertol 179 / 237 / YUH-61A was a competitor in the UTTAS program to choose a utility helicopter for the US Army (won by the Sikorsky UH-60).

The Model 179 was Boeing Vertol entry for the US Army Utility Tactical Transport Aircraft System ( UTTAS ) competition to replace the Bell UH-1 Iroquois where it lost against the Sikorsky S-70 ( UH-60 Black Hawk ). The first of three prototypes YUH-61 built fist flew on November 29, 1974.

The Boeing Vertol YUH-61, a twin turbine-engined, medium-lift, military assault/utility helicopter was the runner-up in a United States Army competition in the mid 1970s to replace the Bell...

The Boeing Vertol YUH-61 (company designation Model 179), was a twin turbine-engined, medium-lift, military assault/utility helicopter. The YUH-61 was the runner-up in the United States Army Utility Tactical Transport Aircraft System (UTTAS) competition in …