- Ships
- References
{{Use dmy dates|date=March 2017}}{{no footnotes|date=February 2013}}{{Infobox ship image| Ship image= | Ship caption=The Capitan Thompson at sea
}}{{Infobox ship class overview | Name= | Builders= Vickers | Chile}} | Class before= | Class after= | Subclasses= | Cost= | Built range= | In service range= | In commission range=1929–1958 | Total ships completed=3 | Total ships active= | Total ships retired=3 | Total ships scrapped= | Total ships preserved=
}}{{Infobox ship characteristics | Hide header= | Header caption= | Ship class= | Ship tonnage= | Ship displacement=*Surfaced - 1540 tons | Ship tons burthen= | 260|ft|m|abbr=on}} | 28|ft|m|abbr=on}} | Ship height= | 13|ft|6|in|m|abbr=on}} | Ship draft= | Ship hold depth= | Ship ice class= | Ship sail plan= | Ship power= | Ship propulsion=*2 shaft diesel electric- Vickers diesels: {{convert|2750|hp|kW|abbr=on}}
- Electric motors: {{convert|1300| hp|kW|abbr=on}}
| Ship speed=- Surfaced: {{convert|15|kn|abbr=on}}
- Submerged: {{convert|9|kn|abbr=on}}
| Ship range= | Ship endurance= | Ship test depth= | Ship boats= | Ship capacity= | Ship complement= | Ship crew=54 | Ship time to activate= | Ship troops= | Ship sensors= | Ship EW= | Ship armament= Eight 21 inch (533 mm) torpedo tubes (6 bow, 2 stern 14 torpedoes) 1 - {{convert|4.7|in|mm|sp=us|abbr=on}}/45 deck gun | Ship armour= | Ship armor= | Ship aircraft= | Ship aircraft facilities= | Ship notes=
}} | The Capitan O'Brien class were three submarines built for the Chilean Navy in the late 1920s. They were similar to the contemporary British Odin class submarines, but mounted a larger {{convert|4.7|in|mm|sp=us|abbr=on}}/45 deck gun and were slightly smaller. ShipsAll boats were built by Vickers in Barrow-in-Furness and commissioned in 1929 | Ship | Launched | Decommissioned |
|---|
| Almirante Simpson, named after Robert Winthrop Simpson | 15 January 1928 | 1957 | | Capitan O'Brien | 2 October 1928 | 1957 | | Capitan Thompson | 15 January 1929 | 1958 |
The two Oberon class submarines purchased by Chile in the 1970s were also known locally as the O'Brien class. References- Conway's All the World's Fighting Ships 1922-1946
{{British Odin class submarine}} 3 : Submarine classes|Capitan O'Brien-class submarines (1928)|World War II submarines of Chile |