On 27th January, 1919 Jackson-Barstow was ferrying Sopwith Dolphin F7307, from Folkestone to RAF Kenley, when he was caught in a heavy snow storm. Visibility was bad when he crashed into a bank at Marden Park, south-east of the airfield. He died instantly.
Captain Jefferson was the son of Thomas Elgie Jefferson and Evelyn E. S. Jefferson, of Ballahott, Ballasalla, Isle of Man; husband of Muriel Jefferson.
