These walk-around photos were taken at the RAF Museum London in Hendon in 2019. They show an Avro 504K, displayed as E449 and exhibited in the museum's Grahame-White Factory alongside other First World War aircraft. The Avro 504 first flew in 1913 and went on to become one of the most important training aircraft of the war, serving first with the Royal Flying Corps and later the Royal Air Force. The 504K variant introduced interchangeable engine bearers to accommodate a variety of rotary engines — a practical response to wartime shortages — and remained in widespread use well into the 1920s. The aircraft as displayed is a composite: the fuselage is that of Avro 504K G-EBJE, built from spares around 1920 and used for joy rides and flying instruction in Sussex by the Miles aviation concern, while the wings come from Avro 548A G-EBKN — originally ordered as E449 in 1918 and later converted into the prototype of a modernised variant with an uprated Airdisco engine. The two airframes were stored together on a farm before being rescued in the 1930s as part of Richard Nash's vintage aircraft collection. Restored at RAF Abingdon in the 1960s using original components as patterns, the composite has been on display at Hendon since 1971, wearing the serial E449 from the aircraft that provided its wings.