CPI provides Sikorsky with Fuel Panel & Gunner Window assemblies for the UH-60M BLACK HAWK helicopter. The Fuel Panel assemblies consist of valves, tube assemblies, adapters and pumps. After it is fully assembled the complete unit is pressure tested at CPI. The Gunner Windows are a two-piece formed skin assembly which are comprised of Plexiglas and sheet metal details. All windows are inspected to a check fixture which simulates the fit and use in the aircraft.