Complex sentence: A small number of static display, and airworthy examples of the Avro 504 exist, more than a century after the first one flew, one of the airworthy examples being the Shuttleworth Collection's example.
Split into simpler sentences: A small number of static display, and airworthy examples of the Avro 504 exist, more than a century after the first one flew. One of the airworthy examples being the Shuttleworth Collection's example.