Registered to the Board of Trade in Feb 1966 as G-ATPC and flown by the Civil Aviation Flying Unit on calibration duties, this early 125 was transferred to the RAE at Thurleigh in Dec 1970 for experimental work and later operated in the 'raspberry ripple' c/s like the Viscount behind. Last flight 21 May 1992, sold for spares 1995 and scrapped at Portsmouth in 1997.