Advanced helicopters refer to advanced rotorcraft that incorporate cutting-edge technology and design features to enhance performance, safety, and efficiency. These helicopters may utilize advanced materials, avionics, and propulsion systems, allowing for improved fuel efficiency, greater speed, better maneuverability, and reduced noise levels. They often include sophisticated navigation and control systems, allowing for enhanced situational awareness and automation for pilots. Additionally, advanced helicopters may be designed for specific roles such as medical evacuation, search and rescue, military operations, or transport, making them versatile and capable tools in a range of environments. Overall, advanced helicopters represent the evolution of rotary-wing aircraft, pushing the boundaries of what helicopters can achieve.