HMNZS Aotearoa

Colour photo of a grey ship at sea
HMNZS Aotearoa in 2022
History
New Zealand
NameAotearoa
NamesakeMāori for New Zealand
Ordered2016
BuilderHyundai Heavy Industries
CostNZ$493 million 2016 [1]
Laid down13 August 2018
Launched24 April 2019
Sponsored byPatsy Reddy
Christened25 October 2019[2]
Commissioned29 July 2020 (4 years ago) (2020-07-29)[3]
HomeportNew Plymouth
Identification
StatusIn Service
General characteristics
TypeAuxiliary ship
Displacement26,000 t (26,000 long tons)
Length173.2 m (568 ft 3 in)
Beam24.5 m (80 ft 5 in)
Draught8.5 m (27 ft 11 in)
Ice classPolar Class 6
Installed power
  • Main engine:
    • 2 x Rolls-Royce Bergen B Series – for propulsion (5.4 MW each)
  • Generator:
    • 4 x MTU Series 4000 diesel generator (2.6 MW each)
  • Emergency generator:
    • 1 x STX KTA19 Series (410 kW)
Propulsion
  • Configured with combined diesel-electric and diesel system
  • Main propulsion:
    • 2 x Kongsberg controllable pitch propellers with Kongsberg shafting system
    • 2 x Kongsberg steering gear and rudder
  • Side thrusters:
    • 1 x Rolls-Royce TT3000 CPP tunnel bow thruster (2.5 MW)
Speed
  • Cruise: 16 knots (30 km/h; 18 mph)
  • Max: 20 knots (37 km/h; 23 mph)[4]
Range
  • 6,750 nautical miles (12,500 km; 7,770 mi)
Boats & landing
craft carried
Capacity
  • Liquid cargo capacity:
    • • Diesel: 8,000 metric tons (18,000,000 lb)
    • • Aviation fuel: 1,500 metric tons (3,300,000 lb)
  • Typical dry goods cargo capacity:
Complement
  • Core crew: 64
  • Other: 11 flight, 14 trainees
Sensors and
processing systems
  • Sonar: FarSounder Argos 1000
  • Radars:
    • • SharpEye Mk II S- and X-band (navigation)
    • • Over-the-horizon radar
Electronic warfare
& decoys
Armament
Aircraft carried1 × Helicopter (SH-2G, NH90, or A109LUH)
Aviation facilities

HMNZS Aotearoa (Māori: [aɔˈtɛaɾɔa]),[a] formerly the Maritime Sustainment Capability project, is an auxiliary ship of the Royal New Zealand Navy. Builder Hyundai Heavy Industries delivered the ship to the Navy in June 2020,[6] and she was commissioned into service on 29 July 2020. Full operational capability was expected to be achieved in 2021.[7] The vessel serves as a replenishment oiler, and has replaced HMNZS Endeavour, the Navy’s last fleet oiler, which was decommissioned in December 2017.

Aotearoa is the largest ship the Royal New Zealand Navy has operated.[8]

Name

HMNZS Aotearoa bears the Māori name for New Zealand. Aotearoa is commonly translated "the land of the long white cloud".[9] The ship has been assigned the pennant number A11.[5]

Design and description

The ship is ice-strengthened[10] and winterised to facilitate operations in Antarctica's weather conditions where Scott Base is located.[11]

Aotearoa's wave-piercing bow

In addition to the wave-piercing hull design, this was Rolls-Royce's first naval hybrid electrical system. Rolls-Royce designed a hybrid diesel-electric propulsion system, known as the combined diesel-electric and diesel (CODLAD) system, solution that provides the ship with an optimised and flexible power plant with several fuel-saving operating modes.[12] The ability to propel the ship using the electrical power through the MTU Series 4000 diesel generator whilst also providing electrical power for the ship’s hotel services and mission systems means that the vessel's fuel consumption is significantly reduced and emissions are minimised. The Rolls-Royce Power & Propulsion System arrangement consists of two Bergen B series engines, specifically, B33:45L9P, for main propulsion and four MTU Series 4000 diesel generator sets.[12][13] Aotearoa is a Polar Class (PC) 6, Logistics Support ship designed and built with specialised winterisation capabilities for her operations in Antarctica. The electrical sub-systems were designed to support the high power generation capacity required for an ice-class ship.[14][13]

Aotearoa is intended to support other navy warships by enabling re-fueling (diesel) and re-supplying (food and ammunition) during operations. The 26,000-tonne (26,000-long-ton) ship will provide marine diesel oil and aviation fuel. Aotearoa has the capacity to store up to 22 units of twenty-foot shipping containers, where four dedicated dangerous goods container stations could store ammunition or explosives. It has a 25 ton crane capable of loading and unloading goods, minimising the need for shore cranes.[15][16] Aotearoa has a Kelvin Hughes Integrated Naval Bridge System and is equipped with Farsounder-1000 sonar.[17] For navigation radar sensors it uses SharpEye S and X-Band with an S-Band SharpEye sensor optimised for helicopter approach and control.[18] It is armed with a Phalanx CIWS (Fitted for, but not with) and two Mini Typhoon mounts and has a flight deck and hangar for helicopter operations.[19][20]

Construction

The contract was awarded to Hyundai Heavy Industries using a Rolls-Royce Environship concept design, beating competition from Daewoo Shipbuilding & Marine Engineering offering a variant of the BMT designed Royal Fleet Auxiliary Tide-class tanker.[21] The ship was laid down on 13 August 2018.[22] It was launched in April 2019, began builder's sea trials in December of that year and was formally delivered in June 2020.[23][6] It was originally intended to be delivered in January 2020, but its departure from the shipyard in South Korea was delayed due to the COVID-19 pandemic.[3]

Operational history

Aotearoa refuelling USS Howard during 2021

Aotearoa conducted her first 'replenishment at sea' (RAS) trials on 3 March 2021 with HMAS Hobart and HMAS Parramatta as part of her sea trials and bring the vessel up to operational standard off Australia’s east coast.[24] Aotearoa and HMNZS Te Kaha participated in an international defence exercise in South East Asia in 2021 and also interacted with the United Kingdom’s Carrier Strike Group (CSG) as it conducted engagement activities in the Indo-Pacific region.[25]

In response to the 2022 Hunga Tonga–Hunga Ha'apai eruption and tsunami, Aotearoa and HMNZS Wellington were deployed to provide water supplies, survey teams, and helicopter support.[26] In early 2022 Aotearoa made a successful resupply mission to McMurdo and Scott base Antarctica.[27] On 15 June Aotearoa set sail for RIMPAC 2022, where the vessel took part in the month-long exercise. Aotearoa remained in the Asia-Pacific region for nearly six months for various engagements that were not specified.[28]

In late September 2024 Defence Minister Judith Collins confirmed that the Aotearoa sailed through the disputed Taiwan Strait on 26 September with HMAS Sydney. In response, a spokesperson for the Chinese Ministry of Foreign Affairs stated that China "handles foreign warships' transit through the Taiwan Strait in accordance with laws and regulations".[29] On 29 September the Aotearoa and HMAS Sydney took part in a joint maritime patrol with Filipino, Japanese and United States warships and aircraft in the disputed South China Sea, which has been claimed by China.[30]

External videos
video icon HMNZS Aotearoa Replenishment Trials
video icon Take a Tour: HMNZS Aotearoa
video icon HMNZS Aotearoa first Replenishment At Sea

Notes

  1. ^ HMNZS is a ship prefix meaning His Majesty's New Zealand Ship.

References

Wikimedia Commons has media related to HMNZS Aotearoa (A11).
  1. ^ Trevett, Claire (18 July 2016). "New Defence Force Navy tanker to cost $493 million". The New Zealand Herald. Retrieved 7 February 2021.
  2. ^ "NZ Navy's Aotearoa is christened in Korea". Radio New Zealand. 26 October 2019. Archived from the original on 27 October 2019. Retrieved 27 October 2019.
  3. ^ a b Block, George (29 July 2020). "HMNZS Aotearoa: Largest ever Navy ship commissioned in emotional ceremony". Stuff News. Archived from the original on 29 July 2020. Retrieved 29 July 2020.
  4. ^ HMNZS Aotearoa - A11, Royal New Zealand Navy, archived from the original on 25 November 2021, retrieved 25 November 2021
  5. ^ a b "HMNZS Aotearoa - A11". Royal New Zealand Navy. Archived from the original on 21 September 2020. Retrieved 21 September 2020.
  6. ^ a b "HHI delivers RNZN HMNZS Aotearoa logistics support vessel". naval-technology.com. 12 June 2020. Archived from the original on 29 June 2020. Retrieved 7 February 2021.
  7. ^ "Feature: Behind the Scenes of Aotearoa". Medium (Blog post). New Zealand Defence Force. 10 April 2018. Archived from the original on 18 April 2018. Retrieved 17 April 2018.
  8. ^ "'Aotearoa' The Name Chosen for Navy's Largest Ship" (Press release). Royal New Zealand Navy. 10 April 2017. Archived from the original on 16 December 2017. Retrieved 13 April 2018.
  9. ^ "Swirling cloud captured above New Zealand - 'The Land of the Long White Cloud'". Telegraph.co.uk. 22 January 2009. Archived from the original on 18 April 2018. Retrieved 7 February 2021.
  10. ^ Gain, Nathan (29 July 2020). "Royal New Zealand Navy commissions HMNZS Aotearoa Polar-class support vessel". Naval News. Archived from the original on 30 March 2023. Retrieved 12 April 2023.
  11. ^ "HMNZS Aotearoa Logistics Support Vessel". Naval Technology. Archived from the original on 7 July 2020. Retrieved 7 February 2021.
  12. ^ a b "HMNZS AOTEAROA Supplying and Integrating the Hybrid Electric Power & Propulsion System for New Zealand's Largest Vessel". Rolls Royce. 8 October 2024. Archived from the original on 10 June 2021. Retrieved 7 November 2021.
  13. ^ a b Maritime, Baird (23 July 2021). "VESSEL REVIEW | Aotearoa – Large supply tanker to support Royal New Zealand Navy's deployed task forces". Baird Maritime / Work Boat World. Archived from the original on 9 October 2024. Retrieved 8 October 2024.
  14. ^ "HMNZS AOTEAROA Supplying and Integrating the Hybrid Electric Power & Propulsion System for New Zealand's Largest Vessel". Rolls-Royce website. Archived from the original on 10 June 2021. Retrieved 7 November 2021.
  15. ^ "HMNZS Aotearoa - Badge Competition". HMNZS Aotearoa - Badge Competition. Archived from the original on 18 March 2018. Retrieved 18 March 2018.
  16. ^ NZ Defence Force (17 October 2020). Take a Tour: HMNZS AOTEAROA. Archived from the original on 19 October 2020. Retrieved 9 October 2024 – via YouTube.
  17. ^ "FarSounder Sonar for Royal New Zealand Navy Future HMNZS Aotearoa Tanker". Navy Recognition. 16 May 2018. Archived from the original on 10 July 2020. Retrieved 7 February 2021.
  18. ^ "New Zealand Navy's largest ship to feature Kelvin Hughes navigation systems". Navy Recognition. 14 September 2017. Archived from the original on 8 July 2020. Retrieved 7 February 2021.
  19. ^ HMNZS AOTEAROA: How the royal New Zealand navy's Largest Ship Uses ISR Mission Software to Power Global Sustainment (PDF) (Report). CarteNav (published 2023). 8 October 2024. Archived (PDF) from the original on 9 October 2024. Retrieved 8 October 2024.
  20. ^ "HMNZS Aotearoa". NZDF. Archived from the original on 25 November 2021. Retrieved 8 October 2024.
  21. ^ Underhill, Jonathon (18 July 2016). "Hyundai Heavy beats out Daewoo Shipbuilding to win $493m contract for ice-capable NZ tanker". The National Business Review. Archived from the original on 7 July 2020. Retrieved 7 February 2021.
  22. ^ "'Birth Day' of New Zealand's Largest-Ever Navy Ship". Scoop Politics. NZDF press release. 14 August 2018. Archived from the original on 14 August 2018. Retrieved 7 February 2021.
  23. ^ Vavasseur, Xavier (13 December 2019). "HHI Starts Builder Trials Of Royal New Zealand Navy New Auxiliary Ship". navalnews.com. Archived from the original on 15 August 2020. Retrieved 7 February 2021.
  24. ^ "HMNZS Aotearoa first RAS". 3 March 2021. Archived from the original on 3 March 2021. Retrieved 6 March 2021.
  25. ^ "NZDF exercises with international counterparts in South East Asia". 9 September 2021. Archived from the original on 11 September 2021. Retrieved 11 September 2021.
  26. ^ "Tonga tsunami: Before and after eruption". BBC News. 18 January 2022. Archived from the original on 18 January 2022. Retrieved 18 January 2022.
  27. ^ "Successful resupply mission to Antarctica proves capability of NZ Navy ship". 16 February 2022. Archived from the original on 8 March 2022. Retrieved 8 March 2022.
  28. ^ "Navy's largest ship heads to major US-led RIMPAC military exercise, will spend months abroad". 15 June 2022. Archived from the original on 26 June 2022. Retrieved 26 June 2022.
  29. ^ Chittock, Niva (27 September 2024). "NZ naval vessel sailing through Taiwan Strait 'routine movement' - Defence Minister". RNZ. Archived from the original on 27 September 2024. Retrieved 30 September 2024.
  30. ^ Lariosa, Aaron-Matthew (29 September 2024). "Warships from the Philippines, Australia, New Zealand, U.S. and Japan Sail in Joint South China Sea Patrol". United States Naval Institute. Archived from the original on 30 September 2024. Retrieved 30 September 2024.

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