1872 (Optatus WDS-1)
- Type: Passenger
- Displacement: 2,446 tons
- Dimensions: 328 x 36 ft.
- Machinery: One 2-cylinder compound engine, single screw = 10 knots
- Passengers: first and third class
- Builder: Barclay, Curle & Co., Glasgow, Scotland, 1872
- Service: Built for the Castle Mail Packet Company, Ltd., London
for its London-Calcutta-China service. Transferred to the Castle Line 1876.
Sold in 1880 to Marques de Campo, Cadiz and renamed Valencia.
Used in mail service between Cadiz and Manila.
Taken over in 1884 by Compania Transatlantica Espanoles.
Sunk in 1889 after a collision in the North Sea.