Engineering:NRP Arpão

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Submarino NRP Arpão.png
NRP Arpão in the Lisbon Naval Base
History
Portugal
Class and type: Tridente class submarine
Name: NRP Arpão
Builder: HDW
Laid down: 2005
Commissioned: 22 December 2010
Status: In active service
General characteristics
Displacement:
  • 1,700 tons (surfaced)
  • 2,020 tons (submerged)
Length: 67.7 m (222 ft)
Beam: 6.35 m (21 ft)
Draught: 6.6 m (22 ft)
Propulsion:
  • 2 generators AIP Siemens Sinavy (BZM-120); 240 KW
  • 2 diesel engines MTU 16V396 TB-94; 6,24 MW
  • 1 electric engine Siemens Permasyn; 2,85 MW
  • 1 axis
Speed:
  • 20 knots (37 km/h) submerged
  • 10 knots (19 km/h) surfaced
  • 6 knots (11 km/h) AIP system
Range: 12,000 nautical miles (22,000 km) at 8 knots (15 km/h)
Endurance: 60 days
Test depth: superior to 300 m (984 ft)
Capacity: 14 marines
Complement:
  • 33 men:
  • 7 officers
  • 10 sergeants
  • 16 sailors
Sensors and
processing systems:
  • Kelvin Hughes KH-1007 (F) navigation radar
  • Atlas Elektronik GmbH ISUS 90 combat management system
Armament:
  • 8 × 533 mm torpedo tubes
  • 12 × Alenia Marconi Systems IF-21 Blackshark torpedo reloads
  • 6 × Sub-Harpoon UGM 84 capable

NRP Arpão (S161) is a Tridente-class attack submarine of the Portuguese Navy.[1] It was commissioned in 2010.

Operational history

In April 2023, the submarine deployed to the South Atlantic, crossing the Equator for the first time.[2] During her deployment, she visited Cape Verde, Brazil , South Africa , Angola, and Morocco, reportedly making it the longest ever Portuguese submarine deployment.[3] In October 2023, the submarine was deployed to the Mediterranean to operate with NATO naval forces as part of "Operation Sea Guardian".[4]

References