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Flag supplied by Aingeru Astui


Marítima del Norte








Sierra Maria
Sierra Maria by T. Diedrich

Shipyard / Year Astilleros Corcho / 1958
Dead weight 1,820 MT
Gross register 998 GRT
Length 78.5 mtr
Breadth 11.3 mtr
Depth 7.0 mtr
Propulsion Werkspoor TMABS 398
Power 1,700 H.P.
Speed 13 knots
Sold 1979 to
Owner Ore, S.L. - La Coruña
Name Ore
Sunk 07/09/1986 - Close to Oualidia



Sierra Madre - Collection J. Careaga
Drawings of Sierra Maria and Sierra Madre



Sierra Madre
Sierra Madre by T. Diedrich

Shipyard / Year Astilleros Corcho / 1958
Dead weight 1,820 MT
Gross register 998 GRT
Length 78.5 mtr
Breadth 11.3 mtr
Depth 7.0 mtr
Propulsion Werkspoor TMABS 398
Power 1,700 H.P.
Speed 13 knots
Sunk 13/04/1976 - Close to Santander

Sierra Madre - Collection L.Santa Olaya
La Vanguardia - 24/April/1976



Sierra Urbion
Sierra Urbion by T. Diedrich

Shipyard / Year E.N. Elcano - Sevilla / 1958
Dead weight 1,200 MT
Net register 686 GRT
Gross register 323 NRT
Length 72.6 mtr
Breadth 11.2 mtr
Depth 6.2 mtr
Propulsion Werkspoor TMABS 398
Power 1,700 H.P.
Speed 12.5 knots
Scrapped Marín (Pontevedra) - 1979



Sierra Umbria
Sierra Umbria by T. Diedrich

Shipyard / Year E.N. Elcano - Sevilla / 1959
Dead weight 1,200 MT
Net register 686 GRT
Gross register 323 NRT
Length 72.6 mtr
Breadth 11.2 mtr
Depth 6.2 mtr
Propulsion Werkspoor TMABS 398
Power 1,700 H.P.
Speed 12.5 knots
Sunk 28/02/1964 - Collision at North Sea



Sierra Blanca
Sierra Blanca by T. Diedrich

Shipyard / Year Celaya (Erandio) / 1960
Dead weight 815 MT
Gross register 669 GRT
Net register 428 NRT
Length 56.6 mtr
Breadth 9.1 mtr
Depth 5.4 mtr
Propulsion MWM 8TbRH 348 SU
Power 1,200 H.P.
Speed 12.8 knots
Sold 1977 to
Owner Asturiana de Navegación
Name Arnao
Sold / Owner 1982 - Ore, S.L. - La Coruña
Name Arnao
Sold / Owner 1989 - Maritima Trasatlántica
Name Maitin
Sunk 21/10/1990 - Perú coast



Sierra Blanca - Collection J. Careaga
Drawings of Sierra Blanca, Sierra Bermeja, Sierra Bravia and Sierra Banderas


Sierra Bravia
Sierra Bravia by T. Diedrich

Shipyard / Year Celaya (Erandio) / 1960
Dead weight 802 MT
Gross register 672 GRT
Length 56.6 mtr
Breadth 9.1 mtr
Depth 5.4 mtr
Propulsion MWM 8TbRH 348 SU
Power 1,200 H.P.
Speed 12.8 knots
Sunk 12/04/1970 - English Channel


Sierra Banderas
Sierra Banderas by T. Diedrich

Shipyard / Year Celaya (Erandio) / 1961
Dead weight 844 MT
Gross register 671 GRT
Length 56.6 mtr
Breadth 9.1 mtr
Depth 5.4 mtr
Propulsion MWM 6TbRH 348 SU
Power 950 H.P.
Speed 12.8 knots
Sunk 19/02/1963 - Requejada inlet



MWM engine - Collection J. Careaga
MWM TbRH 348 SU engine
MWM engine - Collection J. Careaga
Upper part views
MWM engine - Collection J. Careaga

MWM engine - Collection J. Careaga
Fuel injection pumps



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