Heroine-class submarine

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SAS Charlotte Maxeke with HMS Portland MOD 45157758.jpg
SAS Charlotte Maxeke
Class overview
NameHeroine class
Builders Howaldtswerke-Deutsche Werft
Operators South African Navy
Preceded by Daphné class
Succeeded by Type 214
Built3
Completed3
Active3
General characteristics
Type Type 209/1400 submarine
Displacement1,454  t (1,431 long tons) submerged
Length62 m (203 ft 5 in)
Beam7.6 m (24 ft 11 in)
Draft5.8 m (19 ft 0 in)
PropulsionDiesel-electric, 4 diesels, 1 shaft, 6,100  shp (4,500  kW)
Speed
  • 10 knots (19 km/h; 12 mph), surfaced;
  • 21.5 knots (39.8 km/h; 24.7 mph), submerged
Range
  • 11,000  nmi (20,000 km; 13,000 mi) at 10 knots surfaced
  • 8,000 nmi (15,000 km; 9,200 mi) at 10 knots snorkeling
  • 400 nmi (740 km; 460 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth500 m (1,600 ft)
Complement30
Sensors and
processing systems		Sonar: STN Atlas CSU-90; hull mounted and flank arrays

Radar: Surface search I-band

Optics: Zeiss non-hull penetrating optronic mast
Electronic warfare
& decoys		ESM: Grintek Avitronics , intercept + radar warning receiver ELINT: Saab S/UME-100 tactical electronic support measures
Armament

The Heroine class are a variant of the Type 209 diesel-electric attack submarine developed by Howaldtswerke-Deutsche Werft (HDW) of Germany, currently in service with the South African Navy. The class is composed of three vessels.

Contents

Background

South Africa placed a contract for three Type 209 1400-Mod submarines in July 2000 on Howaldtswerke-Deutsche Werft (HDW) and Thyssen Nordseewerke. The Type 209 1400-Mod boats displace 1,450t surfaced and 1,600t dived. The Type 209 1400-Mod submarines replace the French-built Daphné-class submarines, SAS Spear, SAS Assegaai and SAS Umkhonto which were decommissioned in 2003. [1]

The first submarine, Manthatisi, was built by Howaldtswerke at Kiel. It was launched in June 2004 and commissioned in November 2005. [2] The second and third submarines were built by Thyssen Nordseewerke in Emden. Charlotte Maxeke was launched in May 2005 [2] and commissioned in March 2007. The third submarine, Queen Modjadji, was launched in 2006 [2] and handed over in February 2008.

The submarines' homeport is Simon's Town naval base near Cape Town.

As of 2019, two of the submarines were reported to be in need of "urgent and complete" refits. The recommended approach was to move to a contracting phase in 2020. The Armscor annual report to parliament indicated that should the refits not take place, the submarine capability would not available after FY2022/23. [3] As of March 2021, the contracting phase had still not been initiated and no dates had been announced for any upgrades of the submarines. [4]

In August 2021 it was reported that Charlotte Maxeke was being refitted at the Armscor Dockyard. Funding in the amount of R189 million had reportedly been made available to ensure the completion of the refit during the 2023/24 financial year. Funding for the refit of Queen Modjadji was not available, though the reported focus of the Navy was to prioritise essential maintenance and repair of SAS Manthatisi (which had been last refitted during 2013/14) to ensure "expedited operational availability." [5] As of April 2023, Manthatisi had completed a Docking and Essential Defect (DED) maintenance period and was undergoing post-maintenance trials. Queen Modjadji was undergoing preservation and pre-refit planning activities, in preparation for a refit. [6]

Naming

The submarines are named after powerful South African women. Manthatisi is named after the female warrior chief of the Batlokwa tribe. [7] Charlotte Maxeke is named after the female political activist Charlotte Maxeke, who campaigned for equality in the early 20th century. [8] Queen Modjadji is named after the South African Rain Queen. [7]

Submarines in class

PrefixShip namePennant no.Laid downLaunchedCommissionedStatus
SAS
 Manthatisi
S101
May 22, 2001June 15, 2004November 3, 2005Active
SAS
 Charlotte Maxeke
S102
November 12, 2003May 4, 2005March 14, 2007Active
SAS
 Queen Modjadji
S103
November 11, 2004October 31, 2007March 14, 2007Active (non-operational, awaiting refit as of 2023) [9]

Characteristics

Performance

The submarine has a crew of 30. The hull has a length of 62m, breadth of 7.6m and height of 5.8m. It has an approximate maximum diving depth of 500 meters. [7]

The Type 209/1400 submarine has a maximum speed of 10 kn (19 km/h) surfaced and 22 kn (41 km/h) dived. [7]

Command and control

SAS Charlotte Maxeke participating in joint United States and South African Naval exercises US Navy 110210-N-5085J-521 The Oliver Hazard Perry-class frigate USS Stephen W. Groves (FFG 29) participates in exercises with the South African na.jpg
SAS Charlotte Maxeke participating in joint United States and South African Naval exercises

The Atlas Elektronik ISUS 90-45 integrated combat information system provides navigation, automatic sensor integration and management as well as fire control functions for the submarine. [10]

Weapons

There are eight 533 mm bow torpedo tubes and the submarine can carry up to 14 torpedoes. The SA Navy have acquired Atlas Elektronik SUT torpedoes for these submarines. [11]

Sensors

Optical

The submarine is fitted with two periscopes, a conventional, hull-penetrating SERO 400 attack periscope and a non-hull-penetrating OMS 100 optronic mast (search periscope), both supplied by Carl Zeiss (now Cassidian) Optronics. [12]

The OMS-100 mast integrates an optronic sensor with a high-definition resolution colour TV camera and third generation thermal imager. The cameras are gyroscopically stabilised in elevation and azimuth. The sensor assembly is installed in a retractable unit outside the pressure hull of the submarine. The observation and operation of the mast are controlled on a console. The optronics mast system contains fully automatic functions for very fast surveillance and observation so the period of mast exposure above the surface is extremely short.

Radar

The surface search radar operates at I-band.

Sonar

The Atlas Elektronik CSU 90 sonar suite includes hull-mounted passive and active search-and-attack, flank array and active intercept sonar arrays, as well as an own noise monitoring system. South Africa did not exercise the option of purchasing a 'clip-on' towed array sonar based on advice from existing users that the system is clumsy and would prove impractical in South Africa's envisaged operational context.

ESM/ELINT

The submarine is equipped with a Saab Grintek Avionics UME-100 ESM/Designated ELINT system. The antennae for the system are integrated into the mastheads of both the SERO 400 and OMS-100 periscopes. [13]

The submarine's ELINT electronic intelligence system is the Saab S/UME-100 tactical electronic support measures which provides electronic intelligence analysis and amplitude direction finding capability.

The S/UME-100 comprises the ESM antenna, the radar warning receiver antenna, a signal distribution unit and an electronic warfare controller.

The S/UME-100 tactical ESM antennas interface to the optronics mast and attack periscope.

Countermeasures

It is believed that the submarines are fitted with the CIRCE torpedo counter-measure ejector system.

Propulsion

The submarines are fitted with a diesel electric propulsion system based on four MTU 12V 396 diesel engines delivering 2.8MW, with four alternators and one Siemens 3.7MW motor, driving a single shaft. [10]

Allegations of bribery

In 2008, the Sunday Times reported that Ferrostaal allegedly gave former president Thabo Mbeki R30 million in bribes, some of which was allegedly shared with former president Jacob Zuma. An internal audit of Ferrostaal by American-based law firm Debevoise and Plimpton, who was hired after the German Public Prosecutions Authority arrested of one of its board members in 2010, reportedly places the amount paid in bribes at R300 million, or over $40 million. The report was not publicly released, but Germany's Süddeutsche Zeitung reported that it had obtained a copy. [14]

See also

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References

  1. ↑ Engelbrecht, Leon (2008-02-05). "SA gets third submarine". ITweb. Retrieved 2008-10-23.[ permanent dead link ]
  2. 1 2 3 "Submarines". South African Navy. Archived from the original on 2012-07-10. Retrieved 2012-10-25.
  3. ↑ "SA Navy frigate and submarine midlife upgrades on hold". 22 October 2019.
  4. ↑ "Midlife upgrades for SAN platforms on hold pending funding – Armscor". March 2021.
  5. ↑ Martin, Guy (20 August 2021). "Refit of SA Navy frigates and submarines stalled by lack of funding". Defence Web. Retrieved 29 October 2021.
  6. ↑ Lesedi, Sarah (13 April 2023). "South African Navy allocated R1.4 billion to refit fleet". Military Africa. Retrieved 12 September 2023.
  7. 1 2 3 4 Engelbrecht, Leon (2008-10-13). "Fact file: Heroine-class diesel-electric submarine". South African Navy. Archived from the original on 2011-07-19. Retrieved 2008-10-23.
  8. ↑ "M Lekota: Welcoming of SAS Charlotte Maxeke". www.info.gov.za. Archived from the original on 25 December 2012. Retrieved 22 May 2022.
  9. ↑ Lesedi, Sarah (13 April 2023). "South African Navy allocated R1.4 billion to refit fleet". Military Africa. Retrieved 12 September 2023.
  10. 1 2 "SHIPS DATA OF HEROINE CLASS SUBMARINES". South African Navy. Archived from the original on 2008-09-17. Retrieved 2008-10-23.
  11. ↑ "Defenceweb.co.za Fact file: AEG SUT 264 heavyweight torpedo (Note: This article incorrectly identifies the manufacturer as AEG, it is actually Atlas Elektronik. The AEG acronym seems to be derived from "Atlas Elektronic Gmbh". AEG is a home appliance manufacturer.)". 15 February 2010. Archived from the original on 2011-07-19. Retrieved 2011-03-08.
  12. ↑ "SERO_400_OMS_110 - Cassidian.com". www.cassidian.com. Archived from the original on 26 July 2013. Retrieved 22 May 2022.
  13. ↑ "Saab | It´s a human right to feel safe". Archived from the original on 2011-09-11. Retrieved 2019-07-18.
  14. ↑ "Germans paid R300m for SA submarines". IOL News. Archived from the original on 20 September 2011. Retrieved 5 August 2011.
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