| Shipyard / Year | Riera / 1917 | |
| Dead Weight | 450 | MT |
| Length | 41.4 | mtr |
| Breadth | 7.6 | mtr |
| Depth | 4.1 | mtr |
| Propulsion | Reciprocating compound | |
| Power | 220 | H.P. |
| Sunk | 1970 | |
| Owned | 1930-1965 | |
| Shipyard / Year | Londonderry Shipbuilding / 1900 | |
| Owner | Compañía Anónima Marítima Unión | |
| Name | Marte | |
| Owner / Año | Naviera Bilbaína / 1946 | |
| Name | Marte | |
| Owner / Año | Naviera Asón / 1946 | |
| Name | Marte | |
| Dead weight | 5,960 | GRT |
| Gross register | 3,714 | TRB |
| Length | 110.0 | mtr |
| Breadth | 14.1 | mtr |
| Depth | 7.9 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,100 | H.P. |
| Speed | 9 | knots |
| Bought | 1971 | to |
| Owner | Naviera Asón | |
| Name | Marte | |
| Scrapped | Valencia - 1973 | |
| Shipyard / Year | William Gray / 1909 | |
| Owner | Sota y Aznar | |
| Name | Eretza-Mendi | |
| Name / Año | Monte Jata / 1940 | |
| Owner / Year | Marcosa / 1953 | |
| Name | Corisco | |
| Owner / Year | Naviera Forestal Africana / 1959 | |
| Name | Socogui | |
| Dead weight | 6,750 | MT |
| Gross register | 4,126 | GRT |
| Length | 111.3 | mtr |
| Breadth | 15.3 | mtr |
| Depth | 7.7 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,550 | H.P. |
| Bought | 1972 | to |
| Owner | Naviera Forestal Africana | |
| Name | Socogui | |
| Scrapped | Castellón / 1973 | |
Spanish version
