S 622 is an ex-German pocket submarine S 90, type "Seehund"
Made in april 1945 and captured by French forces during the summer of 1945 in the port of Dunkirk. Made 4 of them ready for duty again in the harbour of Toulon. S 90 was renamed S 622. She was loaned by US navy and did 60 missions and covered 1400 nautical miles near the coast of San Diego. The missions took between 1 week and 2 weeks at sea.In 1989 S 622 was restaured and put on display in the Maritime museum at Brest, France.
LOA: 11.87 m
BOA: 1.28 m, with torpedos 1.68 m
DWT: 15 tons
Eng: 1 diesel 60 HP/1400 rpm
1 electric 25 HP
Speed: surface 7.7 knots
submerged 6.0 knots
Range: surface: 270 miles/7.7 knots
submerged 63 miles/3.0 knots
19 miles/6.0 knots
Fuelcapacity: 575 liters
Armament: 2 torpedos
Crew: 2
Max diving depth: 30 meters

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