|United Kingdom; France|
|Launched||17 Dec 1913|
|Out of service||1940|
|Identification||IMO number 1136646|
|Fate||Scuttled 18 June 1940|
|Class and type||Oil tanker|
|Displacement||7,333 tons; 12,500 DWT|
|Length||530 ft (160 m)|
|Beam||66 ft 6 in (20.27 m)|
|Draught||29 ft (8.8 m)|
|Installed power||4,100 IHP|
|Propulsion||single shaft driven by steam engine with two boilers|
|Speed||11 knots (20 km/h; 13 mph)|
In 1912 Weetman Pearson, 1st Viscount Cowdray founded the Eagle Oil Transport Company to transport oil from his Mexican Eagle Petroleum Company's oilfields in Mexico to the United Kingdom. The company ordered a fleet of 20 tankers from British shipyards. They included the sister ships San Isidoro and San Onofre from Armstrong Whitworth at Hebburn on the River Tyne in north-east England.
- Le Masson, Henri (1969). The French Navy. Navies of the Second World War. 2. London: MacDonald & Co. (Publishers) Ltd. pp. 80–82. ISBN 9780356023847.