Other passengers and crew members commented on her lack of stability, and those responsible for handling the ship in port said she was so unstable when unladen that she could not be moved without ballast. But for every witness of this opinion, another could be found who said the opposite. Both former passengers and crew members (ranking from stokers to a deck officer) said the "Waratah" was perfectly stable, with a comfortable, easy roll. Many said they felt she was especially stable. The ship's builders produced calculations to prove that even with a load of coal on her deck (that several witnesses claim she was carrying when she left Durban) she was not top heavy.