Tridente Type 209PN class Submarine SSK AIP Portuguese Navy

Portuguese Navy / Marinha Portuguesa
Tridente (Type 209PN) class Submarine

tridente class type 209pn attack submarine ssk aip portuguese navy marinha 14x

03/24

Units:

Name	Laid down	Launched	Commissioned	STATUS
S 160 NRP Tridente	March 7, 2005	July 15, 2008	June 17, 2010	IN SERVICE
S 161 NRP Arpao	July 5, 2005	June 19, 2009	December 22, 2010	IN SERVICE

Specifications:

Builder: Howaldtswerke-Deutsche Werft (HDW), Kiel, Germany

Displacement: 1842 tons (surfaced) / 2020 tons (submerged)
Length: 67.7 meters (222 feet 1 inch)
Beam: 6.35 meters (20 ft 10 in)
Draft: 6.6 meters (21 ft 8 in)
Speed: 20 knots (37 km/h), submerged / 10 knots (19 km/h), surfaced / 6 knots (11 km/h) on AIP
Range: 12000 NM (22000 km) at 8 knots (15 km/h)
Test depth: 300+ meters (984+ ft)
Complement: 33

Propulsion:
ELECTRIC
2 x MTU 16V396 TB94 diesel generators (6.24 MW) - snorkel or surfaced
2 x Siemens BZM-120 AIP fuel-cell systems (240 kW)
1 x electric motor
1 shaft / 1 propeller

Armament:
8 x 533 mm (21") torpedo tubes
for a mix of up to 18
WASS Black Shark heavy weight torpedoes
and/or
UGM-84 Harpoon SSM missiles

Systems:
Kelvin Hughes KH-1007 navigation radar
Atlas Elektronik CSU-90 sonar system
Atlas Elektronik ISUS 90 combat management system

The Tridente (Type 209PN) class submarines, are diesel-electric submarines based on the Type 214 submarine developed by Howaldtswerke-Deutsche Werft GmbH (HDW) for the Portuguese Navy.

This class of submarines was acquired by Portugal to replace the previous submarines of the Albacora class, then being operated by the navy. Originally, HDW proposed the Type 209 submarine (U-209) during the competition, but decided to later enter a new proposal based on the Type 214. It is for this reason that the Tridente class is commonly designated as the U 209PN.

The class and its ships are the first to not be named after marine animals, thus breaking a tradition retracing back to 1913, when the first submarine entered service with the Portuguese Navy.

The Tridente class submarines are wrongly classed in the "diesel-electric" class. Their propulsion is exclusively electric, with electric motors powered by batteries. These batteries may be charged while submerged by "fuel-cells" (inverse electrolysis) for which, this submarine carries a huge supply of liquid oxygen and hydrogen. Also, and solely as a second solution for recharging the batteries, this submarine carries two powerful diesel-electric generators (1,000 kW) for use only when surfaced, or at snorkel depth.

source: wikipedia

images

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