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MINE WARFARE SHIPS
KATANPÄÄ inshore minesweepers (1941-1942/1948)


Ships


Name No Yard No Builder Laid down Launched Comp Fate
Katanpää (ex-BYMS2049, ex-BYMS49) 1   Gibbs Gas Engine, Jackson, USA 5/1942 1/9/1942 4/1943 // 1948 BU 1960
Purunpää (ex-BYMS2032, ex-BYMS32) 2   American Car & Foundry, Wilmington, USA 5/1942 29/10/1942 4/1943 // 1948 BU 1959
Vahterpää (ex-BYMS2044, ex-BYMS44) 3   Gibbs Gas Engine, Jackson, USA 4/1942 19/6/1942 12/1942 // 1948 BU 1958
Tammenpää (ex-BYMS2047, ex-BYMS47) 4   Gibbs Gas Engine, Jackson, USA 4/1942 9/8/1942 2/1943 // 1948 BU 1960


Technical data


Displacement standard, t

207

Displacement full, tcirca 250
Length, m41.5
Breadth, m7.47
Draught, m2.36 deep load
No of shafts2
Machinery

2 diesels

Power, h. p.800
Max speed, kts

15

Fuel, t

diesel oil

Endurance, nm(kts) 
Armament

1 x 1 - 76/50 Mk 21, 2 x 1 - 20/70 Mk 10, mechanical, magnetic, acoustic minesweeping gear

Electronic equipmentSO radar
Complement60


Standard scale images


<i>Katanpää </i>1955
Katanpää 1955


Ship project history


Former British US-built YMS class coastal minesweepers.

Modernizations


None.

Naval service


No significant events.