In late November 1934, Mignet exhibited his HM.14 at the Salon l'Aéronautique au Grand Palais in Paris, followed in early December by a public flying demonstration at Paris-Orly Airport [REF].
On 13 August 1935, Mignet piloted his HM.14 across the English Channel from Saint-Inglevert Airfield to Lympne Airport, and on 17 August displayed it to the press at Shoreham Airport [REF].