| Shipyard/Year | S.E.C.N. Matagorda / 1960 | |
| Dead weight | 18,704 | MT |
| Gross register | 13.018 | GRT |
| Lenght | 170.2 | mtr |
| Breadth | 21.7 | mtr |
| Depth | 11.9 | mtr |
| Propulsion | Burmeister & Wain 774VTBF160 | |
| Power | 8,750 | H.P. |
| Speed | 15.5 | knots |
| Bought | 1969 | to |
| Owner | Transportes de Petróleo | |
| Name | Rio Cubas | |
| Sold | 1973 | |
| Name | Vall Star | |
| Scrapped | Kaohsiung (Taiwan) - 1977 | |
| Shipyard/Year | Mitsui / 1953 | |
| Dead Weight | 19,736 | MT |
| Gross register | 12,823 | GRT |
| Lenght | 171.9 | mtr |
| Breadth | 21.5 | mtr |
| Depth | 11.9 | mtr |
| Propulsion | B&W 774VTBF160 | |
| Power | 8.750 | H.P. |
| Speed | 15 | knots |
| Chartered | 1967 | |
| Redelivered | 1975 | |
| Scrapped | Barcelona - 1975 | |
| Shipyard/Year | S.E.C.N. Matagorda / 1960 | |
| Dead Weight | 32,860 | MT |
| Lenght | 198.9 | mtr |
| Breadth | 27.4 | mtr |
| Depth | 14.0 | mtr |
| Propulsion | Turbine Vickers-Armstrong | |
| Power | 14,000 | H.P. |
| Scrapped | 1980 | |
| Shipyard/Year | S.E.C.N. Matagorda / 1961 | |
| Dead Weight | 32,860 | MT |
| Lenght | 198.9 | mtr |
| Breadth | 27.4 | mtr |
| Depth | 14.0 | mtr |
| Propulsion | Turbine Vickers-Armstrong | |
| Power | 14,000 | H.P. |
| Sold | 1982 | |
| Scrapped | 1986 | |
| Shipyard/Year | Houston S.B. Co. / 1944 | |
| Dead weight | 232 | MT |
| Gross register | 137 | GRT |
| Lenght | 26.0 | mtr |
| Breadth | 7.0 | mtr |
| Depth | 3.3 | mtr |
| Propulsion | Clark Diesel | |
| Power | 650 | H.P. |
| Bought | 1948 | to |
| Owner | David Byran | |
| Sold | 1975 | to |
| Owner | Roque Salvatierra Nuñez | |
| Shipyard/Year | E.N. Elcano - Sevilla / 1957 | |
| Dead weight | 261 | MT |
| Gross register | 164 | GRT |
| Lenght | 27.0 | mtr |
| Breadth | 7.7 | mtr |
| Depth | 3.7 | mtr |
| Propulsion | Polar M46M | |
| Power | 1,100 | H.P. |
| Sold | 1975 | to |
| Owner | Luis A. Marrero Marrero | |
| Shipyard / Year | Nuevo Vulcano-Barcelona / 1973 | |
| Dead Weight | 321 | MT | Gross Register | 231 | GRT |
| Lenght | 32.1 | mtr |
| Breadth | 9.0 | mtr |
| Depth | 4.1 | mtr |
| Propulsion | 2 x DEUTZ-SBA8M528 | |
| Power | 2,000 | H.P. | Speed | 13 | knots | Sold | 1980 | to |
| Owner | CIRESA | |
| Shipyard/Year | Astander / 1967 | |
| Dead weight | 323 | MT |
| Gross register | 212 | GRT |
| Lenght | 31.4 | mtr |
| Breadth | 8.6 | mtr |
| Depth | 4.1 | mtr |
| Propulsion | Deutz RBA8M528 | |
| Power | 1,500 | H.P. |
| Sold | 1983 | to |
| Owner | CIRESA | |
| Shipyard/Year | Astander / 1974 | |
| Dead weight | 325 | MT |
| Gross register | 227 | GRT |
| Lenght | 31.4 | mtr |
| Breadth | 8.6 | mtr |
| Depth | 4.1 | mtr |
| Propulsion | MWM TBD 500 6 | |
| Power | 1,800 | H.P. |
| Sold | 1983 | to |
| Owner | CIRESA | |
Spanish version
