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MARAÑÓN river gunboats (1951)


Photo



Ucayali 1975

Ships


Name No Yard No Builder Laid down Launched Comp Fate
Ucayali CF401, 1959- CF13, 1960- 13   Thornycroft, Woolston, UK 4/1950 7.3.1951 3.10.1951 in service (2019)
Marañón CF402, 1959- CF14, 1960- 14   Thornycroft, Woolston, UK 4/1950 23.4.1951 3.10.1951 in service (2019)


Technical data


Displacement standard, t

350

Displacement full, t365
Length, m

47.2

Breadth, m

9.75

Draught, m

1.22

No of shafts2
Machinery2 British Polar M441 diesels
Power, h. p.800
Max speed, kts

12

Fuel, t

diesel oil

Endurance, nm(kts)5000(10)
Armament

2 x 1 - 76/50 Mk 26, 2 x 1 - 40/60 Mk 3, 2 x 2 - 20/70 Mk 24, 3 x 1 - 20/70 Mk 10

Electronic equipmentnav. radar
Complement40


Standard scale images


<i>Marañón </i>1960
Marañón 1960


Graphics


<i>Ucayali</i> 1993
Ucayali 1993
<i>Ucayali </i>1975
Ucayali 1975


Project history

Shallow-draught riverine gunboats. Steel hull with aluminium alloy superstructures.

Modernizations

late 1970s, both: - 2 x 2 - 20/70, 1 x 1 - 20/70

1990s, both: - old radar; + 1 x 1 - 40/60 Mk 3, Furuno radar

Naval service

No significant events.