Tridente-class submarine
Class of ship
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The Tridente-class submarines, also designated as U 209PN, are diesel-electric submarines based on the Type 214 submarine developed by Howaldtswerke-Deutsche Werft GmbH for the Portuguese Navy. Wikipedia
Capacity: 14
Propulsion: Diesel-electric, fuel cell AIP, low noise skew back propeller
Range: 12,000 nmi (22,000 km; 14,000 mi) at 8 knots (15 km/h; 9.2 mph)
Test depth: superior to 300 m (984 ft)