SS Malolo (later known as Matsonia, Atlantic, and Queen Frederica) was a passenger liner, later cruise ship, built by William Cramp & Sons, Philadelphia, in 1926 for the Matson Line.

Malolo and other Matson liners advertised superb public rooms, spacious cabins, swimming pools, a gymnasium, and a staff, including a hairdresser, to provide a high standard of service.

On 25 May 1927 while on her sea trials in the western Atlantic, she collided with SS Jacob Christensen, a Norwegian freighter, with an impact equal to that when Titanic struck an iceberg and sank 15 years earlier.

Malolo's advanced watertight compartments allowed her to stay afloat and sail into New York Harbor flooded with over 7,000 tons of sea water in her hull.

[5] On 27 October 1927, U.S. Navy Rear Admiral William S. Benson praised the design of the vessel, stating that she was thoroughly protected against submarines and torpedoes by the new arrangement of subdivision in her hull.