Helicopter refueling tankers are designed to meet the unique refueling requirements of helicopters. These tankers have a compact and maneuverable design to access helipads easily. They are equipped with refueling systems that are optimized for the smaller fuel - intake points of helicopters, often featuring flexible hoses and precise nozzles. Safety features include emergency shut - off valves, anti - spill devices, and proper grounding to prevent static - related hazards. Helicopter refueling tankers may also have additional features like quick - connect/disconnect mechanisms for efficient refueling. Their design and functionality ensure the safe and efficient refueling of helicopters in various operational environments.