Blackburn Aeroplane and Motor Co. set up and ran Greek National Aircraft Factory at Old Phaleron navy yard near Athens 1924, producing Velos, AW Atlas and Avro 504 and carrying out much overhaul/repair. Produced 1 Chelidon (swallow) 2-seat biplane (11 February 1927). Greek personnel progressively took over, process complete 1938, but factory destroyed 1941.