RMS Arabia was a P&O passenger liner torpedoed on 6 November 1916 by the German submarine . It also had the first children's playroom when launched. She was built 1898 at Caird & Co in Greenock to carry 480 passengers and served mostly on the Australian trade. There are very few records of the vessel, but a sister ship, (the Egypt) is described as length 500ft x beam 54.4ft, two funnels, single screw, speed 16 knots.