The Pitts Special S-1 is a lightweight, single-seat aerobatic biplane known for its exceptional maneuverability and performance. Designed by Curtis Pitts in the 1940s, it features a distinctive biplane configuration with a high wing aspect ratio, allowing for impressive agility in the air. Equipped with a powerful engine, the S-1 is popular among aerobatic pilots and is often used in competitions. Its design emphasizes a strong yet lightweight structure, making it capable of executing complex aerial maneuvers, including loops and rolls, with precision and ease.