Three part documentary on the development of the North Sea oilfields.
Programme 2 has footage of workers being bussed to work at Sullom Voe oil terminal in the Shetland Islands. The bus appears to be 564HWO, a former Red and White Bristol MW6G/Eastern Coachworks. The MWs parked in background suggest Kinross Plant and Construction as the operator, since this contractor ran a large fleet of MWs and SUs in Shetland: