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FIGHTING SHIPS OF THE WORLD
FINLAND
COASTAL FORCES
RIHTNIEMI large patrol craft (1957)


Photo



Rymättylä 1980

Ships


Name No Yard No Builder Laid down Launched Comp Fate
Rihtniemi 51   Rauma-Repola, Rauma 1955 1956 5.1957 to Estonia end 1999 (Ristna)
Rymättylä 52   Rauma-Repola, Rauma 1955 1956 2.1957 to Estonia end 1999 (Suurop)


Technical data


Displacement standard, t

90

Displacement full, t

110

Length, m

31.0

Breadth, m

5.60

Draught, m

1.80

No of shafts

2

Machinery

2 MTU diesels

Power, h. p.

2500

Max speed, kts

15

Fuel, t

diesel oil

Endurance, nm(kts) 
Armament

1 x 1 - 40/60 Bofors 315, 1 x 1 - 20/70 Mk 7, 2 x 5 RBU-1200 ASWRL, mechanical minesweeping gear

Electronic equipmentradar, Simrad sonar
Complement

20



Standard scale images


<i>Rihtniemi </i>1965
Rihtniemi 1965
<i>Rihtniemi </i>1980
Rihtniemi 1980


Graphics


<i>Rymättylä</i> 1980
Rymättylä 1980


Project history

Large patrol craft, also can be used as minesweepers.

Modernizations

1981, both: were lengthened (115/135t, 34.0m oa, 6.00m beam, 18kts); new armament and sensors consisted of 2 x 2 - 23/81 ZU-23-2, Decca 1226 radar

Naval service

No significant events.

1980