| Shipyard / Year | Richardson Duck / 1896 | |
| Name | Swanley | |
| Owner / Year | Compañía Naviera Aurrerá / 1900 | |
| Name | Yandiola | |
| Owner / Year | Cía. Naviera Guipuzcoana / 1920 | |
| Name | Yandiola | |
| Name 1930 | Ulia | |
| Owner / Year | Compañía Naviera Bidasoa / 1934 | |
| Name | Ulia | |
| Owner / Year | Gerencia de Buques Mercantes / 1938 | |
| Name | Castillo Morella | |
| Owner / Year | Compañía Naviera Bidasoa / 1939 | |
| Name | Ulia | |
| Dead weight | 3,960 | MT |
| Gross register | 2,370 | GRT |
| Length | 91.4 | mtr |
| Breadth | 13.1 | mtr |
| Depth | 6.2 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,230 | H.P. |
| Bought | 1942 | to |
| Owner | Compañía Naviera Bidasoa | |
| Name | Ulia | |
| Scrapped | Barcelona - 1959 | |
| Shipyard / Year | Tyne Shipbuilders / 1897 | |
| Dead weight | 4,310 | MT |
| Gross register | 2,587 | GRT |
| Lenght | 96.9 | mtr |
| Breadth | 13.7 | mtr |
| Depth | 6.3 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,300 | H.P. |
| Speed | 9.5 | knots |
| Bought | 1941 | to |
| Owner | Compañía Naviera Bidasoa | |
| Scrapped | 1966 | |
| Shipyard / Year | Russell and Company / 1898 | |
| Dead weight | 5,930 | MT |
| Gross register | 3,675 | GRT |
| Lenght | 103.3 | mtr |
| Breadth | 13.9 | mtr |
| Depth | 5.4 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,505 | H.P. |
| Bought | 1942 | to |
| Owner | Compañía Naviera Bidasoa | |
| Sunk | 1955 | |
| Shipyard / Year | Davie Shipbuilding / 1920 | |
| Name | Canadian Trapper | |
| Owner / Year | Compañía Naviera Amaya / 1929 | |
| Name | Guecho | |
| Owner / Year | Republican Government / 1936 | |
| Name | Genecho | |
| Owner / Year | Compañía Naviera Amaya / 1940 | |
| Name | Guecho | |
| Owner / Year | Naviera Bilbaína / 1942 | |
| Name | Guecho | |
| Dead weight | 4,800 | MT |
| Gross register | 3,267 | GRT |
| Lenght | 101.0 | mtr |
| Breadth | 14.2 | mtr |
| Depth | 7,1 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 2,500 | H.P. |
| Speed | 9 | knots |
| Bought | 1946 | to |
| Owner | Naviera Bilbaína | |
| Name | Guecho | |
| Scrapped | Vigo - 1966 | |
| Shipyard / Year | Rotterdamsche Droog Maat / 1918 | |
| Name | Marken | |
| Name / Year | Euthalia / 1932 | |
| Owner / Year | Naviera Universo / 1955 | |
| Name | Universo | |
| Owner / Year | Antonio García Munté Nuño / 1958 | |
| Name | Universo | |
| Dead weight | 7,300 | MT |
| Gross register | 4,470 | GRT |
| Lenght | 115.1 | mtr |
| Breadth | 15.7 | mtr |
| Depth | 7.6 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,800 | H.P. |
| Bought | 1960 | to |
| Owner | Antonio García Munté Nuño | |
| Name | Universo | |
| Scrapped | Alicante - 1967 | |
| Shipyard / Year | ASTANO / 1968 | |
| Dead weight | 14,474 | MT |
| Gross register | 9,395 | GRT |
| Lenght | 151.9 | mtr |
| Breadth | 20.0 | mtr |
| Depth | 12.0 | mtr |
| Propulsion | MTM - B&W 674 -VT2BF 160 | |
| Speed | 16.2 | knots |
| Power | 9,900 | H.P. |
| Sold | 1980 | to |
| Owner | Ybarra y Compañía | |
| Name | Cabo Santa Lucia | |
| Scrapped | Beihai - 1986 | |
Spanish version
