P/O Cosoff was killed when his Mosquito aircraft (MM277) endeavoured to overshoot after the initial approach to land and crashed on the airfield at RAF Station Odiham, Hampshire, England.
F/L Alexander (pilot) and an RAF member of the ground crew, on the ground, were also killed.
Pilot Officer Cosoff (Serial # 185455) was the son of Issac and Ida Cosoff, of Montreal, Province of Quebec, Canada.
He is commemorated on Page 280 of the Second World War Book of Remembrance.
This newspaper obituary incorrectly identified Pilot Offer Cosoff as a Warrant Officer.