


| Building year: | 1953 | GRT: | 626 | |
| Shipyard: | T. R. de Velasco | NRT: | 404 | |
| Home port: | Bilbao | DW: | 850 | |
| Length: | 47.0 mtr | Propulsion: | Diesel engine | |
| Breadth: | 8.0 mtr | Power: | 690 | |
| Depth: | 4.8 mtr | Speed: | 10 | Sold to Unión Marítima del Noroeste on 1972 |
| Building year: | 1956 | GRT: | 1,445 | |
| Shipyard: | T. R. de Velasco | NRT: | 968 | |
| Home port: | Bilbao | DW: | 1,930 | |
| Length: | 72.5 mtr | Propulsion: | Diesel engine | |
| Breadth: | 11.45 mtr | Power: | 1,250 | |
| Depth: | 5.75 mtr | Speed: | 11 | Sold to Transportes Sudamericanos de Industrias Navales, Panamá, on 1979 |

| Building year: | 1957 | GRT: | 677 | |
| Shipyard: | T. R. de Velasco | NRT: | 362 | |
| Home port: | Bilbao | DW: | 932 | |
| Length: | 52.15 mtr | Propulsion: | Diesel engine | |
| Breadth: | 8.8 mtr | Power: | 690 | |
| Depth: | 4.8 mtr | Speed: | 10 | Sold to Naviera de Galicia on 1977 |


| Building year: | 1958 | GRT: | 2,714 | |
| Shipyard: | Corcho-Santander | NRT: | 1,453 | |
| Home port: | Bilbao | DW: | 3,580 | |
| Length: | 95.35 mtr | Propulsion: | Diesel engine | |
| Breadth: | 13.7 mtr | Power: | 3,000 | |
| Depth: | 7.05 mtr | Speed: | 14 | Sold to a Maltese company on 1981 |

| Building year: | 1962 | GRT: | 2,620 | |
| Shipyard: | Ast. del Cadagua | NRT: | 1,378 | |
| Home port: | Bilbao | DW: | 3,527 | |
| Length: | 93.6 mtr | Propulsion: | Diesel engine | |
| Breadth: | 13.7 mtr | Power: | 3,000 | |
| Depth: | 7.05 mtr | Speed: | 14 | Sold to a Greek company on 1981 |


| Building year: | 1964 | GRT: | 2,602 | |
| Shipyard: | Ast. del Cadagua | NRT: | 1,375 | |
| Home port: | Bilbao | DW: | 3,527 | |
| Length: | 93.6 mtr | Propulsion: | Diesel engine | |
| Breadth: | 13.7 mtr | Power: | 3,000 | |
| Depth: | 7.05 mtr | Speed: | 14 | Sold to Navieros Unidos, Panamá, on 1980 |
