The Avro Shackleton is a British long-range maritime patrol aircraft developed in the 1940s. It was designed for anti-submarine warfare and reconnaissance missions, primarily serving with the Royal Air Force and Royal Navy. The aircraft features a distinctive high-wing design and is powered by four Rolls-Royce Griffon engines, allowing it to operate effectively over vast ocean areas. First flown in 1949, the Shackleton entered service in the early 1950s and remained operational until the late 1990s. It was named after the famous explorer Ernest Shackleton, reflecting its role in long-range missions. The aircraft is known for its durability and versatility in various maritime roles.