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NRP Arpão

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NRP Arpão in the Lisbon Naval Base
History
Portugal
NameNRP Arpão
BuilderHDW
Laid down2005
Commissioned22 December 2010
StatusIn active service
General characteristics
Displacement
  • 1,700 tons (surfaced)
  • 2,020 tons (submerged)
Length67.7 m (222 ft)
Beam6.35 m (21 ft)
Draught6.6 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
Range12,000 nautical miles (22,000 km) at 8 knots (15 km/h)
Endurance60 days
Test depthsuperior to 300 m (984 ft)
Capacity14 marines
Complement
  • 33 men:
  • 7 officers
  • 10 sergeants
  • 16 sailors
Sensors and
processing systems
Armament

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

Operational history

[edit]

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] Between April 2024 and June 2024 NRP Arpao was again deployed with NATO naval forces, this time as part of "Operation Brilliant Shield", and became the first Portuguese submarine to navigate below Arctic ice.[5]

References

[edit]
  1. ^ Raquel Ramalho Lopes (1 May 2011). "Segundo submarino chegou a Portugal". RTP Notícias (in Portuguese). RTP. Retrieved 19 July 2012.
  2. ^ "Portuguese submarine crosses Equator for 1st time". The Portugal News. 26 April 2023. Retrieved 5 October 2023.
  3. ^ Hutson, Terry (9 June 2023). "Indian and Portuguese naval vessels visit South Africa". Defence Web. Retrieved 5 October 2023.
  4. ^ "NRP Arpao Joins NATO's Operation Sea Guardian". Sea Waves Magazine. 3 October 2023. Retrieved 5 October 2023.
  5. ^ "Portuguese attack submarine completes NATO North Atlantic deployment". NATO Allied Maritime Command. Archived from the original on 29 June 2024. Retrieved 29 June 2024.