Avro 552

The Avro 552 was a British single-engine biplane trainer aircraft of the 1920s. Designed and manufactured by A.V. Roe and Company (Avro), it was developed from the earlier Avro 504N. The primary difference from its predecessor was the adoption of a more powerful Armstrong Siddeley Lynx radial engine in place of the rotary engine used in the 504N. This resulted in improved performance and reliability.

The Avro 552 was intended to meet a Royal Air Force (RAF) requirement for an advanced training aircraft. However, it did not enter widespread service with the RAF, which ultimately selected other aircraft for this role. Despite not being a major success with the RAF, the Avro 552 was produced in limited numbers and saw some use in civil aviation, including flight training and joyriding. The aircraft was noted for its robust construction and relatively docile handling characteristics, making it suitable for training novice pilots. Due to the small production run and age of the aircraft, few, if any, examples survive today.