Powered by a Cirrus III, the prototype G-EBYU first flew in time to enter the King's Cup Air Race of 1928.

The aircraft was flown to the Berlin Aero Show on 24 October 1928, a non-stop flight of 7 hours and 10 minutes.

Production began at Woolston, Hampshire,[1] with the final assembly and test flying at Hamble Aerodrome.

New Zealand Simmonds Spartan ZK-ABZ is situated at the Geraldine Tractor and Automobile Museum.

[2] NZ Simmonds Spartan ZK-ABK was rebuilt and obtained a COA (Certificate of Airworthiness) in 2008.