Ajonpää and Kallanpää were bought from Denmark during the Continuation War and were intended for clearing influence mines. Both ships survived the wars, Ajonpää was retired 1960 and Kallanpää on 1962.
|Length:||20.0 m (65.6 ft)|
|Beam:||5.3 m (17 ft)|
|Draught:||1.7 m (5 ft 7 in)|
|Propulsion:||200 hp (150 kW)|
|Speed:||10 knots (19 km/h)|
|Armament:||1 × 20 mm Madsen AA|
|Notes:||Ships in class include: Ajonpää, Kallanpää|
- Auvinen, Visa (1983). Leijonalippu merellä [Lion flag at sea] (in Finnish). Pori, Finland: Satakunnan Kirjapaino Oy. pp. 86–87. ISBN 951-95781-1-0.