Originally Posted by
DaveReidUK
Alitalia's DC-8s were mostly Series 40 (as is the one on the photo).
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The DC-8-40's were powered by the Rolls Royce Conway engines, which links nicely with the aircraft climbing away in the background with the same powerplant - a VC-10 of the RAF, probably operating a trooping flight.
KLM DC-8's were 30, 50 and 63 series. Only Air Canada and Canadian Pacific bought the 40 series apart from Alitalia, with the US carriers remaining faithful to the P&W engines.