Following his service with Bomber Command, Booth started test flying at Boscombe Down in 1944 and, following his retirement from the Royal Air Force, worked for a number of companies as a test pilot, becoming deputy to the chief test pilot at Saunders-Roe in 1949 [REF].
On the fifth of June, 1958, Booth was killed when the experimental rocket-powered Saunders-Roe SR.53 he was test-flying suffered a failure of its rocket engine and overrun the runway at Boscombe Down.