1938-1963
Passenger / W = Windhoek

1960s-68
Windhoek / South African Mandate Territory of South-West Africa

CD / 016 = Finland / N = Namibia

1963-1990
Passenger / SW = Windhoek

1963-1990
Passenger / SCA = Okaavango

From 1990
Military
NDF = Namibian Defense Force

Serial unknown to me