During drydocking in October 1973 in Lisbon the color of the hull of the ss Rotterdam has been changed from grey to blue. After sailing with a grey hull during 14 years the blue hull lasted from 1973 until 2006.

The removal of the grey paint by hand caused a lot of noise (picture by Roel Valbracht)

The ship in minium (picture by Roel Valbracht)

In drydock next to the river Tagus (picture by Joep Fluitsma)

The ss Rotterdam in service with a blue hull (picture by Roel Valbracht)