In 1911, in partnership with Mr E V (Later Sir Victor) Sassoon, Grey founded The Aeroplane, remaining as editor of the influential weekly until November 1939.
Unfortunately for him, these included strong support for the fascist dictators of Italy and Germany, which played no small part in his leaving the magazine.
Grey was a man of fascist sympathies and an ardent supporter of Hitler; in the 1930s he aired his anti-Semitic, anti-Bolshevist and pro-fascist opinions in his editorials.
"Anyone who read C G in the 'twenties and 'thirties without having met him might have supposed his critical references, and sometimes perverse and acid comments reflected his nature and personality.
Today there are men on Flight's staff who recall a kind word of encouragement here or a spot of advice there from the one-and-only C G, particularly when they were taking their first tentative steps in the hard and competitive world of journalism.
From the first to the last occasion upon which we talked to him, he never once failed to express either an original thought or to reveal an unexpected viewpoint on some current topic.