


| Shipyard / Year | Aktie Geschaft Neptun / 1906 | |
| Name | Roma | |
| Owner / Year | Gobierno Español / 1918 | |
| Name | España Nº 3 | |
| Owner / Year | Gerencia de Buques Mercantes / 1941 | |
| Name | Castillo Figueras | |
| Dead weight | 3,480 | MT |
| Gross register | 2,108 | GRT |
| Length | 79.6 | mtr |
| Breadth | 11.6 | mtr |
| Depth | 8.2 | mtr |
| Maximum draft | 6.6 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 640 | C.V.N. |
| Incorporated | 1942 | |
| Sold | 1962 | to |
| Owner | José Pastoriza González | |
| Name | Castillo Figueras | |
| Scrapped | Valencia - 1965 | |

| Shipyard / Year | J. L. Thompson & Company / 1923 | |
| Name | Age | |
| Name / Year | Kazan / 1935 | |
| Name / Year | Lensovet / 1936 | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo Bellver | |
| Dead weight | 6,838 | MT |
| Gross register | 4,718 | GRT |
| Length | 115.3 | mtr |
| Breadth | 16.1 | mtr |
| Depth | 7.4 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,438 | H.P. |
| Incorporated | 1942 | |
| Sold | 1961 | to |
| Owner | Marcosa | |
| Name | Kogo | |
| Scrapped | Santander - 1971 | |


| Shipyard / Year | Wood Skinner & Co / 1916 | |
| Owner | Burnett Steamship Co. Ltd. | |
| Name | Horden | |
| Name / Year | Hordena / 1937 | |
| Owner / Year | Spanish Government / 1937 | |
| Name | Ferrolano | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo La Mota | |
| Dead weight | 3,920 | MT |
| Gross register | 2,667 | GRT |
| Length | 97.8 | mtr |
| Breadth | 13.2 | mtr |
| Depth | 5.9 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,500 | H.P. |
| Incorporated | 1942 | |
| Scrapped | Sevilla - 1963 | |



| Shipyard / Year | S.P. Austin & Son / 1912 | |
| Name | Hillingdon | |
| Name / Year | Corbrae / 1920 | |
| Name / Year | Nagos / 1934 | |
| Owner / Year | Gobierno Español / 1937 | |
| Name | Huelva | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo Monforte | |
| Dead weight | 3,920 | MT |
| Gross register | 2,667 | GRT |
| Length | 97.8 | mtr |
| Breadth | 13.2 | mtr |
| Depth | 5.9 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,500 | H.P. |
| Incorporated | 1942 | |
| Sold | 1962 | to |
| Owner | Marcosa | |
| Name | Jalon | |
| Owner / Year | Compañía Marítima del Cadagua / 1965 | |
| Name | Jalon | |
| Scrapped | Bilbao - 1969 | |

| Shipyard / Year | Charles Connell / 1907 | |
| Name | Den of Ruthven | |
| Name / Year | Wincote / 1915 | |
| Name / Year | Kintyre / 1924 | |
| Name / Year | Polymnia / 1929 | |
| Name / Year | Sydney / 1937 | |
| Owner / Year | Gobierno Español / 1938 | |
| Name | Coruña | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name 1939 | Castillo Simancas | |
| Dead weight | 7,950 | MT |
| Gross register | 4,937 | GRT |
| Length | 121.9 | mtr |
| Breadth | 15.9 | mtr |
| Depth | 9.0 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,890 | H.P. |
| Incorporated | 1942 | |
| Sold | 1952 | to |
| Owner | Marítima Madrileña | |
| Name | Jarama | |
| Owner | Riva Suardíaz | |
| Name | Rivademar | |
| Owner / Year | Naviera Forestal Africana / 1962 | |
| Name | Munisa | |
| Wrecked | 28/04/1972 - Close to Sinoe (Liberia) | |

| Shipyard / Year | De Noord - Alblasserdam / 1918 | |
| Name | Noord | |
| Name / Year | Smidovich / 1935 | |
| Owner / Year | Gobierno Español / 1937 | |
| Name | Pasajes | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo Peñafiel | |
| Dead weight | 4,285 | MT |
| Gross register | 2,483 | GRT |
| Length | 87.2 | mtr |
| Breadth | 13.8 | mtr |
| Depth | 7.3 | mtr |
| Maximum draft | 6.1 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,050 | H.P. |
| Incorporated | 1942 | |
| Scrapped | Castellón - 1964 | |

| Shipyard / Year | Worf Voorh Rijkee / 1912 | |
| Name | Charon | |
| Name / Year | Jason / 1912 | |
| Name / Year | Katayama / 1934 | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo Ampudia | |
| Dead weight | 5,400 | MT |
| Gross register | 3,209 | GRT |
| Length | 109.0 | mtr |
| Breadth | 15.8 | mtr |
| Depth | 6.7 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,600 | H.P. |
| Incorporated | 1942 | |
| Sold | 1955 | to |
| Owner | Naviera Morey | |
| Name | Castillo Ampudia | |
| Name 1965 | Ampuries | |
| Scrapped | La Spezia (Italy) - 1967 | |



| Shipyard / Year | Komitern Yard 61 Kommunarsk / 1932 | |
| Name | Tsyurupa | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo Villafranca | |
| Dead weight | 3,235 | MT |
| Gross register | 2,081 | GRT |
| Length | 86.7 | mtr |
| Breadth | 12.2 | mtr |
| Depth | 6.9 | mtr |
| Propulsion | Komintern Locomotive – Sulzer 6S47 | |
| Power | 1,200 | H.P. |
| Incorporated | 1942 | |
| Name 1950 | Castillo Aulencia | |
| Scrapped | Castellón - 1964 | |



| Shipyard / Year | Rodger and Company / 1899 | |
| Owner | William Robertson | |
| Name | Citrine | |
| Name / Year | Avontown / 1915 | |
| Name / Year | Pomaron / 1931 | |
| Owner / Year | Gerencia de Buques Mercantes / 1938 | |
| Name | Castillo Butron | |
| Dead weight | 2,625 | MT |
| Gross register | 1,743 | GRT |
| Length | 79.2 | mtr |
| Breadth | 11.4 | mtr |
| Depth | 5.1 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 668 | H.P. |
| Incorporated | 1942 | |
| Sold | 1957 | to |
| Owner | Cía. Vasco Cantábrica de Navegación | |
| Name | Rio Jiloca | |
| Owner / Year | Marcosa / 1963 | |
| Name | Rio Jiloca | |
| Scrapped | Santander - 1965 | |




| Shipyard / Year | Rickmers - Bremerhaven / 1904 | |
| Owner | Rickmers Reismuhlen | |
| Name | Maria Rickmers | |
| Name / Year | Stambul / 1912 | |
| Name / Year | Istanbul / 1914 | |
| Name / Year | Stambul / 1919 | |
| Name / Year | Cape Point / 1921 | |
| Name / Year | Angelos L. / 1927 | |
| Name / Year | Ellinico Vouno / 1937 | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo Mombeltran | |
| Dead weight | 5,800 | MT |
| Gross register | 3,667 | GRT |
| Length | 107.5 | mtr |
| Breadth | 13.8 | mtr |
| Depth | 8.9 | mtr |
| Maximum draft | 7.3 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,400 | H.P. |
| Speed | 9 | knots |
| Consumption | 25 MT/day | coal |
| Incorporated | 1942 | |
| Sold | 1958 | to |
| Owner | Cía. de Navegación Vasco Asturiana | |
| Name | Mombeltran | |
| Scrapped | Gijón - 1968 | |


| Shipyard / Year | Blyth Shipbuilding Co. / 1914 | |
| Name | Aydon | |
| Name / Year | Jet / 1918 | |
| Name / Year | Charity / 1919 | |
| Name / Year | Aydon / 1919 | |
| Name / Year | Warszawa / 1920 | |
| Name / Year | Brompton Manor / 1925 | |
| Name / Year | Drakelow / 1936 | |
| Name / Year | Stancliffe / 1937 | |
| Name / Year | Navarion / 1938 | |
| Name / Year | Lena / 1938 | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo Moncada | |
| Dead weight | 2,600 | MT |
| Gross register | 1,735 | GRT |
| Length | 77.7 | mtr |
| Breadth | 11,7 | mtr |
| Depth | 6.5 | mtr |
| Maximum draft | 5.5 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,120 | H.P. |
| Incorporated | 1942 | |
| Wrecked | 16/03/1951 - Ponta Sagres (Portugal) | |



| 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 | |
| Owner / Year | Compañía Naviera Española / 1942 | |
| 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. |
| Scrapped | Barcelona - 1959 | |

| Shipyard / Year | N.V. Werf Zeeland / 1921 | |
| Name | Stella | |
| Owner / Year | Matías Mallol Bosch / 1930 | |
| Name | Ciutat de Reus | |
| Dead weight | 1,400 | MT |
| Gross register | 845 | GRT |
| Length | 65.9 | mtr |
| Breadth | 9.6 | mtr |
| Depth | 5.0 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 485 | H.P. |
| Speed | 8.5 | knots |
| Sold | 1943 | to |
| Owner | Domingo Tomás Royo Rodrigo | |
| Name | Reus | |
| Fire | 19/07/1970 - Almería | |
| Scrapped | Almería - 1970 | |

| Shipyard / Year | J.P. Rennoldson and Sons / 1905 | |
| Name | Solo | |
| Name / Year | Yorkbrook / 1929 | |
| Owner / Year | Gerencia de Buques Mercantes / 1940 | |
| Name | Castillo Monteagudo | |
| Dead weight | 1,770 | MT |
| Gross register | 1,370 | GRT |
| Length | 71.6 | mtr |
| Breadth | 10.4 | mtr |
| Depth | 5.3 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,870 | H.P. |
| Incorporated | 1942 | |
| Sold | 1952 | to |
| Owner | Vicente Suárez | |
| Name | Vicente Suarez | |
| Scrapped | Bilbao - 1970 | |

| Shipyard / Year | Sunderland Shipbuilding Co. / 1920 | |
| Name | Diadem | |
| Name / Year | Eleni Nicolaou / 1934 | |
| Name / Year | Nicolaou Eleni / 1937 | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo Madrigal | |
| Dead weight | 8,150 | MT |
| Gross register | 4,258 | GRT |
| Length | 118.9 | mtr |
| Breadth | 16.5 | mtr |
| Depth | 7.5 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 2,200 | H.P. |
| Incorporated | 1942 | |
| Sold | 1951 | to |
| Owner | Santiago Oller Martínez | |
| Name | Ramon Oller | |
| Owner / Year | Joaquín Ponte Naya / 1962 | |
| Name | Ramon Oller | |
| Scrapped | Avilés / 1963 | |

| Shipyard / Year | William Gray and Co. / 1910 | |
| Owner | La Tunisienne Steam Navigation Co. | |
| Name | Camerata | |
| Name / Year | Ronturn / 1928 | |
| Name / Year | Everards / 1933 | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo Fuensaldaña | |
| Dead weight | 6,180 | MT |
| Gross register | 3,726 | GRT |
| Length | 106.7 | mtr |
| Breadth | 15.3 | mtr |
| Depth | 7.2 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,280 | H.P. |
| Incorporated | 1942 | |
| Sold | 1957 | to |
| Owner | Naviera Crú | |
| Name | Cru Mediterraneo | |
| Owner / Year | Marcosa / 1961 | |
| Name | Sendye | |
| Owner / Year | Naviera de Cantabria / 1967 | |
| Name | Sendye | |
| Scrapped | Santander / 1968 | |

| Shipyard / Year | Short Brothers / 1905 | |
| Name | Cairnnevis | |
| Name / Year | Tolsta - 1919 | |
| Name / Year | Juss - 1937 | |
| Owner / Year | Gerencia de Buques Mercantes - 1938 | |
| Name | Sevilla | |
| Name 1939 | Castillo Gibralfaro | |
| Dead weight | 2,660 | MT |
| Gross register | 1,587 | GRT |
| Length | 79.0 | mtr |
| Breadth | 11.2 | mtr |
| Depth | 5.5 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 700 | H.P. |
| Incorporated | 1942 | Sold | 1954 | to |
| Owner | Cía. de Navegación Vasco Asturiana | |
| Name | Carlos Tartiere | |
| Owner / Year | Soc. Metalúrgica Duro Felguera / 1967 | |
| Name | Carlos Tartiere | |
| Scrapped | San Esteban de Pravia - 1974 | |

| Shipyard / Year | Bergens Mek Vaerks / 1910 | |
| Name | Skulda | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo Daroca | |
| Dead weight | 1,780 | MT |
| Gross register | 1,105 | GRT |
| Length | 69.8 | mtr |
| Breadth | 10.7 | mtr |
| Depth | 5.8 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 650 | H.P. |
| Incorporated | 1942 | |
| Sold | 1956 | to |
| Owner | Naviera Daroca | |
| Name | Daroca | |
| Scrapped | Marín - 1970 | |






| Shipyard / Year | Goole Shipbuilders / 1916 | |
| Name | Island Queen | |
| Owner / Year | Gerencia de Buques Mercantes / 1939 | |
| Name | Castillo Riaza | |
| Dead weight | 1,100 | MT |
| Gross register | 844 | GRT |
| Length | 56.4 | mtr |
| Breadth | 9.2 | mtr |
| Depth | 5.4 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 500 | H.P. |
| Incorporated | 1942 | |
| Sold | 1958 | to |
| Owner | Naviera del Nalón | |
| Name | Mina Sorriego | |
| Scrapped | Gijón - 1966 | |




