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PUKKIO minesweepers (1940-1947)


Photo



Porkkala 1940

Ships


Name No Yard No Builder Laid down Launched Comp Fate
Pukkio     Valmet, Helsinki   1939 1940 stricken 1974, LCU 1979, sold 1982
Porkkala     Valmet, Helsinki   1940 1940 stricken 1974, LCU 1979, sold 1990
Pansio     Valmet, Helsinki   1940 5/1947 stricken 1979, LCU 1984, sold 1990


Technical data


Displacement standard, t

162

Displacement full, t

?

Length, m

27.0

Breadth, m

6.70

Draught, m

2.50

No of shafts

1

Machinery

1 diesel

Power, h. p.

300

Max speed, kts

10

Fuel, t

diesel oil

Endurance, nm(kts) 
Armament

1 x 1 - 45/43 21K, 1 x 1 - 20/60 Madsen, 20 mines, mechanical minesweeping gear

Complement 


Graphics


<i>Porkkala</i> 1940
Porkkala 1940
<i>Porkkala </i>1988
Porkkala 1988


Ship project history


Improvised minesweepers in tug hulls.

Modernizations


early 1940s, both completed: + 2 x 1 - 20/60 Madsen

early 1940s, all were armed with 1 x 1 - 40/60 Mk 7, 1 x 1 - 20/20 Mk 7, 20 mines

1979, Pukkio, Porkkala; 1984, Pansio: armament consisted of 1 x 1 - 20/70 Mk 7 (can be fitted), 20 mines or cargo

Naval service


Porkkala 28/11/1941 in Kojvisto Sound was stricken by a mine, laid by Soviet submarine Lembit and sank; by summer of 1942 she was salvaged and repaired.