It was designed to compete in the STAé (Service Technique de l'Aéronautique or Technical Section of Aeronautics) 1930/31 C1 (single seat Chasseur of fighter) programme.

There was a circular Chausson[2] radiator in the short nose ahead of the open cockpit, with a variable position central cone to control the airflow.

Forward, the slim, square section and untapered tail booms blended into the wings at about mid-chord, the aft ends carrying a constant-chord tailplane slightly above them.

[1] The H.110 had a fixed, split, conventional undercarriage with each spatted mainwheel on a faired, near vertical shock absorber and a rearward leaning strut together forming a V, laterally braced with an inverted V-strut attached near the under-fuselage centre line.

It flew in April 1934 as the H.115, with its HS 12Xbrs engine uprated to 515 kW (691 hp), a new four-blade propeller with variable-pitch[2] and a revised nacelle, shortened forward of the cockpit by 360 mm (14.2 in).