American helicopters for combat rescue operations have experienced extreme temperatures

Specialists of the U.S. air force in conjunction with the American company Sikorsky has tested advanced helicopter for the combat rescue HH-60W Jolly Green II extreme temperatures. As reports Flightglobal, the test machine was carried out in special test hangar at a U.S. air force base “Eglin” in Florida. Such inspections ended April 2, however, it has become known only now.

Military equipment has to operate in a wide range of different natural conditions: in heat and the bitter cold, with high humidity and strong wind, in the conditions of a dust storm. For this reason, developers need to test they have created equipment in conditions similar to those in which it will operate. Part of such testing is usually carried out in vivo, for example, in the winter in most cold regions. Other checks are carried out in specialized centers.

During the tests, extreme conditions, experts have tested the performance of onboard systems and engines of the HH-60W at ambient temperatures from -51 degrees Celsius to 49 degrees Celsius. In addition, the helicopter was tested under exposure to simulated with the help of powerful fans wind with speed of 20 meters per second, rain water flow to 492 liters per minute, and also by a dense fog. In all cases, the checks carried out were found to be successful.

Part of the U.S. air force HH-60W will replace the HH-60G Pave Hawk, was developed in the early 1980-ies. These machines are used for rescue operations on the territory controlled by the enemy, and in civil search and rescue operations and in combating drug trafficking. Small-scale production of the new helicopter began at the company Sikorsky in Stratford, Connecticut in September 2019.

In total, the U.S. air force intend to purchase 113 new helicopters for combat rescue operations. The adoption of the helicopter into service is scheduled for 2021. The development of the HH-60W was conducted in 2012. The streamlined car had the fuel tanks increased capacity and upgraded avionics, including secure communication systems. HH-60W will also get extended range of weapons. The helicopter is made on the basis of the multi-purpose UH-60M with electric remote control system.

The first flight of the new helicopter rescue took place on 20 may 2019 in Wes palm beach, Florida. The name Jolly Green II was awarded the HH-60W in the spring of 2020. The car was named after the rescue helicopter HH-3E Jolly Green Giant that was widely used by the military during the Vietnam war, including for catching in the air reconnaissance drones AQM-34 Firebee.

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