Rotorcraft is a term used to describe aircraft that involve rotors for lift and propulsion. However, there are numerous alternate terms and synonyms used for rotorcraft in the aviation industry. Some of the most common synonyms for rotorcraft include vertical takeoff and landing (VTOL) aircraft, helicopter, rotary-wing aircraft, autogyro, gyroplane, and tiltrotor aircraft. Additionally, some types of unmanned aerial vehicles (UAVs), commonly referred to as drones, also fall under the category of rotorcraft. Regardless of the specific terminology used, rotorcraft play a crucial role in various fields, including search and rescue, military operations, and commercial transportation.