Originally Posted by
treadigraph
I got the impression that DC-3 was rather overbuilt which has contributed to its longevity - still a few in commercial operation at, what, 85 years since first flight? Most remaining airframes must be circa 80 years old, albeit the commercially operated may be Basler conversions. Think I noted an R-1830 powered survey DC-3 transiting through UK on FR24 earlier this year.
I am not aware of any R-1830 powered DC-3 doing survey.
A Basler conversion with PT-6s?