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COASTAL FORCES
4! RÍO SAMA gunboats (1966-1972)


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Río Sama 1975

Ships


Name No Yard No Builder Laid down Launched Comp Fate
Río Sama 11, 1975- 222   Peterson Builders, Sturgeon Bay, USA   5.6.1965 19.11.1965 Coast Guard 1975, stricken 1993
Río Chira 12, 1975- 223   SIMA, Callao   5.9.1971 30.6.1972 Coast Guard 1975, in service (2019)


Technical data


Displacement standard, t

130
Displacement full, t

147
Length, m

30.8
Breadth, m

6.40
Draught, m

1.80
No of shafts2
Machinery

8 General Motors 6-71 diesels
Power, h. p.1800
Max speed, kts

18.5
Fuel, tdiesel oil
Endurance, nm(kts)1500(10)
Armament

1 x 1 - 40/60 Mk 3, 2 x 2 - 20/70 Mk 24, 2 x 1 - 12.7/90
Electronic equipmentradar
Complement

15


Standard scale images


<i>Río Sama </i>1975
Río Sama 1975


Graphics


<i>Río Sama </i>1975
Río Sama 1975
<i>Rio Chira </i>2000
Rio Chira 2000


Project history

USN PGM71 class, first boat was built under MDAP in USA, the second under MDAP in Peru with US assistance.

Modernizations

1975, Rio Chira: - 1 x 1 - 40/60, 2 x 2 - 20/70, 1 x 1 - 12.7/90

Naval service

No significant events.