Aileron Roll:
Airline was produced by Yorkshire Television and starred Roy Marsden as Jack Ruskin, but the real star was G-DAKS (TS423), painted up as G-AGHY ('Vera Lynn')
http://www.paulnann.com/images/pn_w2272.jpg
This particular Dakota was used by Ferranti to flight test a wide range of equipment in the 50s and 60s (including the Lightning and TSR-2 radars).