Originally Posted by
DaveReidUK
About half of them were (so are still technically C-47s).
The ones registered as "DC-3C-R-1830-90C" are a bit of a giveway (R-1830 is the military designation of the Twin Wasp) and were formerly C-47Bs. In addition there were two former C-47As, designated "DC-3C-S1C3G".
The other 10 were built as DC-3s/DC-3As.
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So to conclude - Those aircraft depicted or shown as being DC3's seen or photographed at Croydon post war would almost certainly have been not DC3's but a C47 or variant or anything other than an original DC3.