Kaman SH-2G Super Seasprite

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SH-2G Super Seasprite
US Navy 080730-N-5384B-013 he Royal New Zealand Navy SH-2G Sea Sprite prepares to land aboard the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72).jpg
A Royal New Zealand Navy SH-2G
Role ASW helicopter
National originUnited States
Manufacturer Kaman Aircraft
First flight2 April 1985
Introduction1993
Retired2001 (United States Navy)
2008 (Royal Australian Navy)
StatusIn service
Primary users United States Navy (historical)
Egyptian Navy
Royal New Zealand Navy
Polish Navy
Produced1985–1995 (also conversions)
Developed from Kaman SH-2 Seasprite

The Kaman SH-2G Super Seasprite is an American ship-based helicopter with anti-submarine, anti-surface threat capability, including over-the-horizon targeting. This aircraft extends and increases shipboard sensor and weapon capabilities against several types of enemy threats, including submarines of all types, surface ships, and patrol craft that may be armed with anti-ship missiles. It was originally developed for the United States Navy in the 1980s as a reengined and updated version of the older Kaman SH-2 Seasprite which had been serving since the 1960s in a variety of versions. The G model was an evolution of the SH-2F, which was an important ASW aircraft for naval vessels that could not manage a larger helicopter. The SH-2G entered service in the 1980s and served until 2001 with the U.S. Navy. It went on to serve in several other Naval forces into the 21st Century and is still in active service in several countries.

Contents

The SH-2G's primary missions include anti-submarine and anti-surface warfare, anti-ship missile defense, and anti-ship surveillance and targeting. Secondary missions may include medical evacuation, search and rescue, personnel and cargo transfer, as well as small boat interdiction, amphibious assault air support, gun fire spotting, mine detection and battle damage assessment.

Design and development

A US Navy SH-2G in 1995 USN SH-2G over water.JPEG
A US Navy SH-2G in 1995

In 1985, the SH-2G program was started. The US Navy wanted better anti-submarine capabilities and felt upgrading existing helicopters would be a more cost-effective approach; moreover legacy Knox-class and early "short-hull" Perry-class frigates operating the SH-2F could not operate the larger SH-60B Seahawk. The prototype YSH-2G first flew on 2 April 1985. The prototype was a modified SH-2F fitted with two more powerful General Electric T700-GE-401/401C engines. [1]

The G-model has a reinforced upper fuselage to support the heavier new engines. [1] The SH-2G also has multifunctional displays and new avionic systems. [2] The Navy began receiving Airborne Mine Counter Measures (AMCM) hardware with the Kaman Magic Lantern laser mine detection system in December 1996. [3]

The US Navy's final production order of the SH-2F was in Fiscal Year 1986 with the last six orders switched to the SH-2G variant. [1] The USN SH-2G entered service in 1993. [3]

Operational history

This section covers operators of SH-2G Super Seasprite variant, for operators of earlier types see the operators section of the SH-2 Seasprite.

Australia

A SH-2G(A) in 2005 Kaman SH-2G(A) Seasprite, Australia - Royal Australian Navy (RAN) JP445696.jpg
A SH-2G(A) in 2005

In the 1990s, the Royal Australian Navy (RAN) decided that it needed an intermediate helicopter to operate from the Anzac-class frigates and the planned offshore patrol vessel (OPV), a proposed cooperative project with Malaysia; however, due to its size, the OPV could operate only a small helicopter. In 1997, the Australian Government signed a A$667 million contract with Kaman to purchase 11 upgraded Super Seasprites. [4] By 2005, up to 40 deficiencies in the helicopter had been identified, including the inability to operate in bad weather and low-light conditions, and its failure to meet Australian airworthiness standards. [5] The helicopters were initially restricted to transport duties during good weather before being grounded in May 2006. [5] [6] By early 2007, ten Super Seasprites had been delivered to 805 Squadron. [4] [5]

In February 2007, The Australian announced that the Seasprite project was "almost certain to be scrapped". [4] At this point, the project was six years over schedule and its cost had grown to A$1.1 billion, with an additional A$45 million forecast as required for further upgrades. [4] If approved the squadron would still not reach operational status until 2010. [4] The sale or scrapping of the fleet was under consideration, possible replacements included the NHIndustries NH90 or further orders of Sikorsky SH-60 Seahawks. [4] On 25 May 2007, The Age reported the government would continue to support the Seasprite; Defence Minister Brendan Nelson commented that progress on the project was being closely monitored. [7]

Following the election of the new Labor government, The Australian reported on 31 January 2008 that the SH-2G(A) program was likely to be canceled due to cost overruns; additionally it was still not operational despite the original contract being signed in 1997. The same article also noted that Sikorsky had submitted an offer of several 'off the shelf' helicopters to replace Australia's SH-2G(A)s. [8] On 5 March 2008, the project was canceled by the government; Kaman noted the project's end "on mutually agreed terms". [9] [10] [11] Opposition parties also supported the decision to cancel. [12] The remaining aircraft were returned to Kaman. [13] Following the cancellation of the Super Seasprite, S-70 Seahawks from 816 Squadron were assigned to the Anzac-class frigates. Australia already operated the S-70,. [14] Australia did end up using 6 MRH-90 Taipan (the Australian NH-90) for a period in the 2010s in Naval service, but overall went with upgraded SH-60.

Egypt

Egyptian SH-2G aboard the ship DDG-109 in the Red Sea, 2018 Egyptian SH-2G Super Seasprite aboard USS Jason Dunham (DDG-109) in the Red Sea on 31 July 2018 (180731-N-UX013-1066).JPG
Egyptian SH-2G aboard the ship DDG-109 in the Red Sea, 2018

In 1995, Egypt signed a contract for 10 SH-2Gs for use by the Egyptian Navy. These helicopters had been equipped for anti-submarine duties and to be deployed on the Navy's ships as required; the procurement included AQS-18A dipping sonar, search radars, and an electronic support suite. They are often operated alongside Egypt's fleet of Westland Sea Kings. [15]

New Zealand

Two SH-2G on HMNZS Canterbury on a disaster relief exercise, 2009 OH 09-0252-015 - Flickr - NZ Defence Force (3).jpg
Two SH-2G on HMNZS Canterbury on a disaster relief exercise, 2009
A Royal New Zealand Navy SH-2G(I) in 2016 SH-2G(I) Sea Sprite during RIMPAC 2016.jpg
A Royal New Zealand Navy SH-2G(I) in 2016

The Royal New Zealand Navy (RNZN) replaced its Westland Wasps with four interim SH-2F Seasprites (ex-US Navy), to operate with Anzac-class frigates until the fleet of five new SH-2G Super Seasprites were delivered. The Navy air element was transferred to No. 6 Squadron RNZAF at RNZAF Base Auckland in Whenuapai in October 2005. RNZN Seasprites have seen service in East Timor. [16]

New Zealand purchased five SH-2Gs at the same time as Australia. However, New Zealand opted for new-build airframes that were outfitted with different avionics. The SH-2G purchase was completed at NZ$12 million under the $338 million budgeted (excluding GST). The first RNZN SH-2G(NZ) was delivered in mid-2001, and the last was delivered February 2003. The Royal New Zealand Navy (RNZN) operates the type from its two Anzac-class frigates, two Protector-class offshore patrol vessels, and the multi-role vessel HMNZS Canterbury. They were initially operated by the Naval Support Flight of No. 3 Squadron RNZAF, but now from No. 6 Squadron RNZAF.

An urgent operational need was for RNAF to use the FH MAG 58 machine gun on the helicopter, and this was fielded by 2008. [17]

In May 2012, Defence Minister Jonathan Coleman announced that Cabinet had given Defence officials approval to negotiate with Kaman Corporation for the 11 helicopters and flight simulator from the canceled Australian SH-2G(A) Super Seasprite project. It is thought the 11 helicopters, worth NZ$1.4 billion in 2008, would cost New Zealand between NZ$130 million to NZ$230 million. [18] A decision to purchase ten of the helicopters for $NZ242 million was announced on 19 April 2013. [19] [20] Eight of the aircraft will enter service with the RNZAF to replace the existing five Seasprites, and the remaining two will be used as a source of spare parts. [21]

The New Zealand Ministry of Defence accepted the first of the helicopters in the United States on 1 December 2014, and two more were delivered to Auckland in early 2015. Deliveries were completed by the end of 2015. [22] All the aircraft were in service by 2016. [21] The NZDF's five SH-2G(NZ) Seasprites were officially retired on 14 April 2016, and conducted their last flight on 21 April after serving since August 2001. They were replaced with eight re-manufactured SH-2G(I) models, allowing the Navy to embark up to three helicopters from ships at once instead of two. The "I" model also replaces the AGM-65 Maverick with the AGM-119 Penguin anti-ship missile. [23]

New Zealand's five SH-2G(NZ) models were sold to the Peruvian Navy in October 2014 and replaced by the eight SH-2G(I) models. [24]

On April 24, 2023, the New Zealand MOD announced that they are seeking replacements for the Seasprite. [25] [26] From mid-2023, the NZDF initiated a Seasprite Sustainment Work Program to reduce the operational fleet from eight to five. [27] As of 2024, fleet may be withdrawn as part of defense budget cutbacks. [28]

Peru

Peruvian Navy SH-2G Super Sea Sprite 57 Helicoptero Kaman SH-2G Super Sea Sprite.jpg
Peruvian Navy SH-2G Super Sea Sprite

Four ex-New Zealand SH-2Gs were re-manufactured and upgraded by Kaman before they were introduced to service with the Peruvian Navy. The "implementation phase" of Peru's Seasprite purchase concluded in 2018. [29] The helicopters will be operated from the Navy's Lupo-class frigates. [30]

Poland

A Polish SH-2G Super Seasprite in 2006 Cwiczenie 28 Eskadry Lot MW (02).jpg
A Polish SH-2G Super Seasprite in 2006

The Polish Navy operates four of these aircraft, which were included in the purchase of two Oliver Hazard Perry-class frigates from the United States Navy. The frigates are now operating as ORP Generał Tadeusz Kościuszko and Generał Kazimierz Pułaski. In 2007 they were modified to carry one MU90 Impact torpedo and a 7.62 mm PK machine gun on pivot mounting. [31]

United States

Beginning in 1991, the US Navy received 24 SH-2Gs, which were assigned to US Navy Reserve units. The Super Seasprite entered service with HSL-84 in 1993. [3] The SH-2 served in some 600 Navy deployments and flew 1.5 million flight hours. The Navy Reserve squadron HSL-84 retired the last of the helicopters in June 2001. [3] [32]

Variants

SH-2G of the Polish Navy Stiopa-Kaman SH-2G foto.2.jpg
SH-2G of the Polish Navy
SH-2G of the Royal New Zealand Navy, 2006 Kaman SH-2G Super Seasprite, New Zealand - Navy JP5718025.jpg
SH-2G of the Royal New Zealand Navy, 2006
YSH-2G
SH-2G prototype.
SH-2G Super Seasprite
Anti-submarine warfare helicopter, powered by two 1,723-shp (1,285-kW) General Electric T700-GE-401 turboshaft engines.
SH-2G(A)
Export version for Australia, upgraded former US Navy SH-2F.
SH-2G(E)
Export version for Egypt, upgraded former US Navy SH-2F.
SH-2G(M)
Proposed export version for Malaysia.
SH-2G(NZ)
Export version for New Zealand. Sold to Peru.
SH-2G(I)
Redesignated SH-2G(A) sold to New Zealand. [33] [34]

Operators

Flag of Egypt.svg  Egypt
Flag of New Zealand.svg  New Zealand
Flag of Peru.svg  Peru
Flag of Poland.svg  Poland
A Polish SH-2G Polish Navy SH-2G (cropped).jpg
A Polish SH-2G

Former operators

Flag of Australia (converted).svg  Australia
Flag of the United States (23px).png  United States

Aircraft on display

SH-2G Super Seasprite at the Patuxent River Naval Air Museum SH-2G Super Seasprite PRNAM-3.jpg
SH-2G Super Seasprite at the Patuxent River Naval Air Museum

Specifications (SH-2G)

Data fromThe International Directory of Military Aircraft [2]

General characteristics

Performance

Armament

See also

SH-2G gets some maintenance and fuel Smiglowce 28 Eskadry Lotniczej (03).jpg
SH-2G gets some maintenance and fuel

Related development

Aircraft of comparable role, configuration, and era

Related lists

Related Research Articles

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References

Notes
  1. 1 2 3 Eden 2004, p. 219.
  2. 1 2 Frawley 2002, p. 100.
  3. 1 2 3 4 Jane's Aircraft Upgrades. Jane's Information Group, 2009. (subscription article) [ permanent dead link ] posted 20 March 2009.
  4. 1 2 3 4 5 6 Walters, Patrick (2007-02-10). "Seasprite headed for the junk pile". The Australian . News Corporation. pp. 1–2. Archived from the original on 2007-02-12. Retrieved 2007-02-11.
  5. 1 2 3 4 Allard, Tom (2005-03-19). "Navy's $100m chopper can't fly in bad light". The Sydney Morning Herald (SMH.com.au). John Fairfax Holdings . Retrieved 2007-02-11.
  6. 1 2 "Technical problems ground Navy helicopters". ABC News Online. 2006-05-19. Retrieved 2007-02-11.
  7. ↑ "Seasprite Helicopters" (Press release). Minister for Defence. 25 May 2007. Archived from the original on 2007-11-07. Retrieved 2007-11-05.
  8. ↑ Dodd, Mark (31 January 2008). "Troubled anti-sub choppers face axe". The Australian . News Corporation. Archived from the original on 2008-04-06. Retrieved 2008-02-04.
  9. ↑ "Seasprite Helicopters to be Cancelled" (Press release). Department of Defence. 5 March 2008. Archived from the original on March 11, 2008. Retrieved 2008-03-05.
  10. ↑ "Australia Government Seeks Discussion With Kaman to Conclude SH-2G(A) Super Seasprite Helicopter Program" (Press release). Kaman Corp. 5 March 2008.[ permanent dead link ]
  11. ↑ "Australia Scraps Super Seasprite Program" Archived 2016-03-03 at the Wayback Machine . Rotor & Wing, 5 March 2008.
  12. ↑ "Seasprite cancellation" (Press release). Liberal Party of Australia. 2008-03-05. Archived from the original on 2008-07-23. Retrieved 2009-01-25.
  13. ↑ "Kaman Takes SH-2G to Eastern Europe" Archived 2016-03-03 at the Wayback Machine . Rotor & Wing, 4 September 2008.
  14. ↑ "Sikorsky S-70 Seahawk · The Encyclopedia of Aircraft David C. Eyre". Aeropedia. Retrieved 2024-05-01.
  15. ↑ Cordesman 2006, p. 184.
  16. ↑ "Seasprite Helicopters". National Museum of the Royal New Zealand Navy. 2015-11-22. Archived from the original on 2019-10-29. Retrieved 2019-10-29.
  17. ↑ "SH-2G Super Seasprite Anti-Submarine Helicopter". Naval Technology. Retrieved 2024-05-01.
  18. ↑ Stuart, Ian (14 May 2012). "Reject Aussie choppers on Navy shopping list". The New Zealand Herald.
  19. ↑ "NZ to buy navy helicopters rejected by Australia". Radio New Zealand News. 19 April 2013. Retrieved 20 April 2013.
  20. ↑ "New Zealand approves purchase of Kaman Super Seasprites" Vertical Magazine, 19 April 2013. Accessed: 11 December 2013.
  21. 1 2 "Seasprite helicopter project approved". Media release. beehive.govt.nz. Retrieved 20 April 2013.
  22. ↑ Rahmat, Ridzwan (3 December 2014). "New Zealand accepts first SH-2G(I) Super Seasprite helicopter". IHS Jane's 360. Retrieved 16 January 2015.
  23. ↑ New Zealand Replaces Old Seasprite Helicopters - Defensenews.com, 14 April 2016
  24. 1 2 Tantalean, Cesar Cruz (9 October 2014). "Peru signs for SH-2G Super Seasprites". IHS Jane's 360. Retrieved 12 October 2014.
  25. ↑ "New Zealand Ministry of Defence looking for new naval helicopters".
  26. ↑ "GETS | Ministry of Defence - Maritime Helicopter Replacement Project Request for Information".
  27. ↑ "NZDF reduces Seasprite helicopter fleet". www.australiandefence.com.au. 2024-07-04. Retrieved 2024-07-05.
  28. ↑ "New Zealand considers axing Super Seasprite helicopter fleet". www.key.aero. 2024-02-27. Retrieved 2024-05-01.
  29. ↑ "Kaman Awarded $39.8M Contract to Commence Implementation Phase of Peru SH-2G Super Seasprite Program". Press release. Kaman. 12 July 2016. Retrieved 2 December 2016.
  30. ↑ "Peruvian Navy Acquiring All Five RNZAF SH-2G(NZ) Seasprites". Air Forces Monthly. 14 October 2014. Retrieved 2 December 2016.
  31. ↑ Łukasz Pacholski, Modernizacja polskich Kamanów in: Nowa Technika Wojskowa nr 6/2009, p.84-87 (in Polish)
  32. ↑ Stephens, Ernie. "Putting the "Super" in the Kaman Super Seasprite" Archived 2016-05-14 at the Wayback Machine . Rotor & Wing, 1 October 2009.
  33. ↑ "Kaman Helicopters to Showcase SH-2G(I) Super Seasprite at Black Sea Defense & Aerospace Exposition" Archived 2011-06-07 at the Wayback Machine . Kaman Aerospace, September 3, 2008.
  34. ↑ New Zealand to obtain eight SH-2G (I) Super Seasprites. flightglobal
  35. 1 2 3 "World Air Forces 2018". Flightglobal Insight. 2018. Retrieved 25 August 2018.
  36. ↑ "US Navy SH-2 Seasprite". globalsecurity.org. Retrieved 26 January 2013.
  37. ↑ "KAMAN SH-2G SUPER SEASPRITE". Patuxent River Naval Air Museum. Archived from the original on 12 July 2010. Retrieved 2 April 2018.
  38. ↑ "KAMAN SH-2G "SEA SPRITE"". Harold F. Pitcairn Wings of Freedom Aviation Museum. Wings of Freedom Aviation Museum. Retrieved 4 June 2017.
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