Displacement: 400 tons
Length: 52 metres (171 ft)
Beam: 7.5 metres (25 ft)
Draft: 3.4 metres (11 ft)
Propulsion: two boilers, 1,400 kW
Speed: 15 knots (28 km/h)
Complement: 73
Armament: two 102 mm Obuchov
one 40 mm AA
one 20 mm AA
three MG
twelve mines

1944:
two 105 mm
two 40 mm AA
two 20 mm AA
three MG
twelve mines

Gunboat Uusimaa

Lieutenant Sarvimäki receiving first aid after he was wounded along with all other officers of Gunboat Uusimaa, on July 4, 1944, during the Battle of Vyborg Bay. The captain was killed and as the second-in-command, Lt. Sarvimäki led the damaged gunboat away from the battle.

Wounded navy officer

Finnish soldiers inspecting Soviet BT tank. 1941