Thanks, airsound, for the sensible assessment of the reasons for the suboptimal BBC commentary.
`It`s something like a 4-engined `Gooney-bird`.
My Dad had the good fortune to go from Hastings at Lyneham to an exchange tour with the RCAF on their own version of the "4-engine Gooney Bird", the North Star (a Canadair-built DC4 with Merlin engines) - unfortunately, the longer engines put the props exactly in line with the pilots' seats, which led to the start of the tinnitus which plagued him thereafter.