Table:
text: List of active Finnish Navy ships
Minesweepers
Minesweepers
Class_ Ships_in_class Pennant_Number Builder Commissioned
Katanpää class Katanpää 40 Intermarine S.p.A. , Sarzana , Italy 2012–
Katanpää class Purunpää 41 Intermarine S.p.A. , Sarzana , Italy 2012–
Katanpää class Vahterpää 42 Intermarine S.p.A. , Sarzana , Italy 2012–
Kuha class Kuha 21 21 Laivateollisuus , Turku , Finland 1974–1975
Kuha class Kuha 23 23 Laivateollisuus , Turku , Finland 1974–1975
Kuha class Kuha 24 24 Laivateollisuus , Turku , Finland 1974–1975
Kuha class Kuha 26 26 Laivateollisuus , Turku , Finland 1974–1975
Kiiski class Kiiski 1 521 Fiskars Oy , Turku , Finland 1982–1984

Question: In active ships of the Finnish Navy, tell me classes of Kuha-class minesweepers?