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        Policy UpdatesNewsroomReoptimizationBIOGRAPHIESAF Senior Leaders      HH-60 chamber testingHH-60 sun testing
                        
                        
                        An HH-60W Jolly Green II sits under bright lights used to create heat in the McKinley Climatic Lab at Eglin Air Force Base, Fla., March 19, 2020. The Air Force’s newest combat search and rescue helicopter and crews experienced temperature extremes from 120 to minus 60 degrees Fahrenheit as well as torrential rain during the month of testing. The tests evaluate how the aircraft and its instrumentation, electronics and crew fare under the extreme conditions it will face in the operational Air Force. (U.S. Air Force photo by Samuel King Jr.)
                
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        HH-60 chamber testingHH-60 sun testing
                        
                        
                        An HH-60W Jolly Green II sits under bright lights used to create heat in the McKinley Climatic Lab at Eglin Air Force Base, Fla., March 19, 2020. The Air Force’s newest combat search and rescue helicopter and crews experienced temperature extremes from 120 to  minus 60 degrees Fahrenheit as well as torrential rain during the month of testing. The tests evaluate how the aircraft and its instrumentation, electronics and crew fare under the extreme conditions it will face in the operational Air Force. (U.S. Air Force photo by Samuel King Jr.)
                
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        HH-60 chamber testingCold chamber testing - HH60
                        
                        
                        An HH-60W Jolly Green II sits under bright lights used to create heat in the McKinley Climatic Lab at Eglin Air Force Base, Fla., March 19, 2020. The Air Force’s newest combat search and rescue helicopter and crews experienced temperature extremes from 120 to  minus 60 degrees Fahrenheit as well as torrential rain during the month of testing. The tests evaluate how the aircraft and its instrumentation, electronics and crew fare under the extreme conditions it will face in the operational Air Force. (U.S. Air Force photo by Samuel King Jr.)
                
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        HH-60 chamber testingCold chamber testing - HH60
                        
                        
                        An HH-60W Jolly Green II sits under bright lights used to create heat in the McKinley Climatic Lab at Eglin Air Force Base, Fla., March 19, 2020. The Air Force’s newest combat search and rescue helicopter and crews experienced temperature extremes from 120 to  minus 60 degrees Fahrenheit as well as torrential rain during the month of testing. The tests evaluate how the aircraft and its instrumentation, electronics and crew fare under the extreme conditions it will face in the operational Air Force. (U.S. Air Force photo by Samuel King Jr.)
                
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        HH-60 chamber testingHH-60 rain testing
                        
                        
                        An HH-60W Jolly Green II gets hit with 45 mph winds and drenched under 130 gallons-per-minute of simulated rain in the McKinley Climatic Lab at Eglin Air Force Base, Fla., April 1, 2020. The Air Force’s newest combat search and rescue helicopter and crews experienced temperature extremes from 120 to  minus 60 degrees Fahrenheit as well as torrential rain during the month of testing. The tests evaluate how the aircraft and its instrumentation, electronics and crew fare under the extreme conditions it will face in the operational Air Force. (U.S. Air Force photo by Samuel King Jr.)
                
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                        Download Hi-Res
        


        HH-60 chamber testingHH-60 rain testing
                        
                        
                        An HH-60W Jolly Green II gets hit with 45 mph winds and drenched under 130 gallons-per-minute of simulated rain in the McKinley Climatic Lab at at Eglin Air Force Base, Fla. April 1, 2020. The Air Force’s newest combat search and rescue helicopter and crews experienced temperature extremes from 120 to minus 60 degrees Fahrenheit as well as torrential rain during the month of testing. The tests evaluate how the aircraft and its instrumentation, electronics and crew fare under the extreme conditions it will face in the operational Air Force. (U.S. Air Force photo by Samuel King Jr.)
                
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                        Download Hi-Res

Jolly Green II taken to extremesPublished April 8, 2020
                    
                    By  Samuel King Jr.
                    
                    
                    Eglin Air Force Base Public Affairs
            **EGLIN AIR FORCE BASE, Fla. (AFNS) --**An HH-60W Jolly Green II, the Air Force’s new combat search and rescue helicopter, completed a month-long trial of extremes inside the McKinley Climatic Lab April 2.
The Sikorsky test aircraft endured real temperatures ranging from 120 degrees to minus 60 degrees Fahrenheit as well as 45 mph winds coupled with heavy rainfall. All of those scenarios were created within the lab’s 55,000-square-foot test chamber.
The goal of these punishing tests was to prove the new aircraft’s sustainability in any operational environment.
“Operating the HH-60W in the extreme conditions was a truly unique experience as a pilot and a tester,” said Lt. Col. Ryan Coates, 88th Test and Evaluation Squadron pilot, who also performed most of the testing. “Checking system performance under the stress of heat, cold, heavy wind and rain will give us real-world data regarding the helicopter’s capability to perform the rescue mission worldwide in various environments, which is exactly what the operator needs to make solid employment decisions."
Once the lab technicians created extreme environments, the aircrew would enter the aircraft and perform various test procedures. The crew would execute their preflight checklists and perform tasks to see if the extreme conditions affected any of the avionics, electronics, engine and other systems.
The aircrew performing the procedures were also test subjects themselves. Their own reactions and movements were evaluated in the harsh environments. For example, the cold-weather gear worn by the aircrew is much bulkier than a standard flight suit. One of the evaluations was to ensure the pilots could easily reach all of the aircraft controls in the thicker cold-weather gear.
A significant amount of the test schedule was dedicated to preparing the chamber for extreme conditions. McKinley’s lab professionals create, break-down, and recreate again for each new test environment. Technicians worked continuously to go from a superheated 100-degree desert condition to a below-freezing icebox in only three days.
“McKinley Climatic Laboratory maintains quickness and technical proficiency by retaining our own staff of highly experienced welders, machinists, electricians, instrumentation experts, test assembly personnel and refrigeration operators,” said William Higdon, the lab’s technical advisor. “Our main mission is to support the warfighter and to ensure any environment they encounter in the field; their equipment has already been proven in those extremes.”
The Jolly Green II created some unique challenges for McKinley Lab personnel. The lab technicians created a system specifically for the HH-60W to remove the aircraft’s exhaust. Thorough exhaust removal is a critical part of maintaining the controlled temperature conditions needed for chamber testing, according to lab technicians working on the test.
The design of the ventilation system meant the aircraft’s blades were removed for the duration of the testing. The lab’s in-house fabrication shop also specially designed brackets for the aircraft’s weapons among other items.
“Successful completion of this test is absolutely shared with the Sikorsky and McKinley teams,” said Ben Walker, 413th Flight Test Squadron lead test engineer for the effort and Air Force PALACE Acquire journeyman. “Everyone worked together extremely well and we completed on time and on budget. I am very thankful for this opportunity to perform exciting engineering work, while also supporting the warfighter.”
After testing in the climatic lab, the HH-60W will return to Sikorsky’s test facility in West Palm Beach for further evaluation. The HH-60W developmental test program is a joint effort between Sikorsky, the 413th FLTS, the 88th TES and Air Force Operational Test and Evaluation Center. Test aircraft are primarily split between Duke Field here and Sikorsky’s West Palm Beach facility.
“Testing on the combat rescue helicopter continued amidst the chaos of COVID-19,” said Lt. Col. Wayne Dirkes, 413th FLTS operations officer. “While the situation could change at any moment, we have not lost any test schedule thus far. That is a testament to the entire team’s attitude and willingness to work through challenges.”L/R 



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