It was a single-engine, two-seat, low-wing monoplane with a fixed tailwheel undercarriage.

Broadsmith designed the Clipper as a two-seater; he employed the outer wings of the Monospar ST-4.

Spartan Aircraft Limited built one example at their East Cowes works in 1932.

After modification to undercarriage, cabin glazing and cowling, it received a Certificate of Airworthiness on 29 June 1933.

[1] In 1938, it was re-engined with a Pobjoy Niagara III of 90-hp, after which it was used as a company hack until 4 May 1942, when it was destroyed in an air raid on Cowes.