Type 214 submarine

Last updated

Type 214 submarine.svg
Type 214 profile
ROKS Yun Bonggil (SS 077) 190605-N-SS370-0028.jpg
ROKS Yun Bonggil arrives at Naval Base Guam, 2019.
Class overview
Builders
Operators
Preceded by Type 209 submarine [1]
Succeeded by Type 216 submarine
Subclasses
Cost$330 million (2008) [2]
Built2001–present
In commission2007–present
Planned21
Building5
Completed16
Active15
General characteristics
Type Submarine
Displacement
  • 1,690  t (1,660 long tons) (surfaced)
  • 1,860 t (1,830 long tons) (submerged)
Length65 m (213 ft 3 in)
Beam6.3 m (20 ft 8 in)
Draught6 m (19 ft 8 in)
PropulsionDiesel-electric, fuel cell AIP, low noise skew back propeller
Speed
  • 12 knots (22 km/h; 14 mph) surfaced
  • 20 knots (37 km/h; 23 mph) submerged
Range
  • 12,000  nmi (22,000 km; 14,000 mi) (surfaced)
  • 420 nmi (780 km; 480 mi) at 8 knots (15 km/h; 9.2 mph) (submerged)
  • 1,248 nmi (2,311 km; 1,436 mi) at 4 knots (7.4 km/h; 4.6 mph) (submerged)
Endurance84 days
Test depthnearly 400 m (1,300 ft)
Complement5 officers + 22 crew
Armament

The Type 214 is a class of diesel-electric submarines developed exclusively for export by Howaldtswerke-Deutsche Werft GmbH (HDW). [1] It features diesel propulsion with an air-independent propulsion (AIP) system using Siemens polymer electrolyte membrane (PEM) hydrogen fuel cells. The class combines the design principles of the Type 209 submarine family and the features of the Type 212A submarine. [1] However, as an export design, it lacks some of the classified technologies of the Type 212 such as the non-magnetic steel hull that makes it difficult to detect using a magnetic anomaly detector. [3]

Contents

Due to improvements in the pressure hull materials, the Type 214 can dive nearly 400 metres (1,300 ft). [4] It can also carry food, fresh water and fuel for 84 days of operation.

A contract to build four submarines for the Hellenic Navy was signed 15 February 2000 and a fourth unit was ordered in June 2002. The first submarine was built at HDW in Kiel, Germany and the rest at the Hellenic Shipyards Co. in Skaramangas, Greece. The Hellenic Navy named them the Papanikolis class.

The Republic of Korea Navy has ordered nine Type 214 submarines, designated as Son Won-Il class, to be built in Korea by Hyundai Heavy Industries and Daewoo Shipbuilding & Marine Engineering; three first batch models entered service since 2007, and six second batch models entered service from 2012.

General characteristics

Operators

Greece

The Hellenic Navy ordered four Type 214 submarines to be known as the Papanikolis class. The first, Papanikolis, was built in Germany; the following three were scheduled for construction at HDW's Hellenic Shipyards in Greece. In December 2006, StrategyPage reported that Papanikolis was found to have numerous technical problems. [7] Among the reported problems with the submarine were excessive propeller cavitation, overheating of the air-independent propulsion system's fuel cells, and excessive rolling in bad weather when surfaced. Seapower magazine reported the Hellenic Navy refused to accept Papanikolis; additional problems noted were inadequate air-independent propulsion system output power, inappropriate periscope vibration, sonar flank array problems and seawater leakage into the ship's hydraulics. [8]

The Hellenic Navy officers in charge of the testing program at the Kiel shipyards in Germany made their case clear in a 2007 investigative journalism program called "Neoi Fakeloi" on Skai TV (Greece). Retired Rear Admiral M. Simionakis, who had been in charge of the Papanikolis program for the navy, told the interviewer that the manufacturer had made two attempts to fix a severe balance problem in the submarine, including shifting 21 tons of material from the top to the bottom, yet the vessel continued to heel as much as 46 degrees in sea trials. Photographic evidence of the severe heeling was presented. In the same TV program, the officer replacing Simionakis in Kiel, Capt. K. Tziotis, listed seven ongoing, serious problems with the vessel, including balance problems when traveling on the surface, problems with the AIP system, problems with the weapon system, problems with the periscope, and problems with flooding.

Greek submarine Papanikolis at the HDW's yard in Kiel, 2008 S-120 Papanikolis 1.jpg
Greek submarine Papanikolis at the HDW's yard in Kiel, 2008

TKMS, the German shipbuilder of Type 214, had previously asserted that it solved all the boat's technical problems in 2006 and stated that the Greek Navy's continuing complaints about Papanikolis' technical condition are a ploy to justify a price reduction. Therefore, TKMS refused to deliver the boat to the Greek Navy until all debts were paid and Papanikolis remained in Kiel harbor. [9] Despite this position by TKMS, the Hellenic Navy officers in charge of the submarine delivery have repeatedly stated there are problems with Papanikolis. In October 2008, Papanikolis conducted a new round of trials, which showed that the excessive rolling problem had finally been fixed. The rest of the problems are considered solved. According to the Greek defence press, acceptance of the vessel was imminent.[ citation needed ] The second boat, Pipinos, was officially launched on 6 October 2014 and passed through Greek harbour acceptance trials in Elefsina.

On 21 September 2009, TKMS announced that the contract with the Greek Navy for all four submarines had been cancelled due to country's arrears of more than 520 million Euros. TKMS began seeking arbitration to resolve the matter. [10] [11]

On 27 October 2009, the Greek Ministry of Defence confirmed that they intended to accept the three boats built in Greece. [12] The Greek Papanikolis U214 class is equipped with a hoistable radar mast which does not penetrate the pressure hull of the submarine. In the top of the radar mast the radar transmitter is installed. This transmitter is part of the SPHINX Radar System supplied by Thales Defence Deutschland GmbH in Kiel. The radar sensor is a FMCW transceiver which can't be detected by ESM systems in medium terms. This technology is so called LPI radar, which means "Low probability of intercept". The transmitting power is lower than the power of a mobile phone but the resolution more precise compared to high power Pulse radar. Thales SPHINX radar is a tactical radar, designed for submarines. Greece ordered four submarines and paid the list price of six. (2 bn euros) [13]

Portugal

NRP Tridente at Lisbon Naval Base, 2010 Chegada do submarino NRP Tridente a Base Naval do Alfeite.jpg
NRP Tridente at Lisbon Naval Base, 2010

In 2005 Portugal awarded a contract to Howaldtswerke-Deutsche Werft for two Type 214 submarines, which were delivered in 2010. These two submarines, the NRP Tridente and the NRP Arpão, are the only submarines currently in active service with the Portuguese Navy replacing the Albacora-class submarines in 2010. [14] [15] In 2014, the two submarines received new UGM-84G Sub-Harpoon Block II missiles. [16] From 2016 to 2018 the Tridente submarine carried out a major mid-term overhaul at Thyssenkrupp Marine Systems shipyards, [17] and the Arpão submarine, from 2018 to 2021 carried out a major mid-term overhaul at the Portuguese Arsenal do Alfeite shipyards [18] [19] The Portuguese Military Programming Law signed in May 2019 aims for the modernization of the two submarines by 2030. [20] [21]

South Korea

ROKS Son Won-il at Busan Naval Base, 2008 Key Resolve - Foal Eagle 2008.jpg
ROKS Son Won-il at Busan Naval Base, 2008

In 1995, the South Korean Navy announced plans to introduce submarines larger than type 209. Later in October 2000, the ministry of defence signed an agreement with Howaldtswerke-Deutsche Werft to introduce type 214 submarines, which also included the transfer of submarine building technology. [22] The South Korean Son Won-Il U214-class submarine (Hangul: 손원일급 잠수함, Hanja: 孫元一級潛水艦) is equipped with a SPHINX-D Radar System supplied by Thales Defence Deutschland GmbH. It uses an additional pulse transmitter in the top of the mast. The combination of high power pulse radar and a very low power LPI transmitter is very effective for submarines. During surface operations, the boat sails with an open pulse fingerprint for ESM systems, but within a secret mission the operator switches to LPI mode. The boat remains invisible to others. Total of 9 are planned and 8 are in active duty. South Korea ordered its first three KSS-II/ Type 214 boats in 2000, which were assembled by Hyundai Heavy Industries. The Batch 2 order will add six more submarines to the Navy, to be built by Daewoo Shipbuilding & Marine Engineering.

In March 2008, it was reported in the media that the first Type 214 submarine of the Republic of Korea Navy suffered from defects related to excessive noise from the screw, according to anonymous sources. [23] Later the ROKN denied the report. [24] There were no further reports of such noise problems in succeeding South Korean Type 214 submarines. The first three Type 214 submarines of South Korea were built by Hyundai Heavy Industries. In August 2008, South Korea signed another contract with HDW for six more Type 214 submarines. The Batch 2 order will add six more submarines to the Navy, to be built by Daewoo Shipbuilding & Marine Engineering. Hong Beom-do, a specialized guided missile submarine was launched on 5 April 2016. [25]

Future operators

Turkey

The first request by the Turkish Naval Forces was made in 2009 and considered to be delivered in 2014. However, due to delay, a new contract was signed in 2016 and first deliveries were planned 2020. [26] The Turkish Navy had commenced negotiations with HDW for six licence-built Type 214 class air-independent propulsion (AIP) submarines. According to the Undersecretary for Defence Industries of the Turkish Government, these submarines will be produced with maximum local content at Gölcük Naval Shipyard in Kocaeli, Turkey. The first submarine in the order initially put to sea in December 2022, [27] the program partially delayed by the COVID-19 pandemic, with the second following in May 2023. [28]

On 2 July 2009, HDW and the Turkish Ministry of Defence entered into an agreement for the licensed production of six platforms. The agreement was the largest defence acquisition project in Turkey at the time after the firm order for 116 F-35 fighters at a cost of in excess of $10 billion. Ankara hoped that its advanced, locally produced and highly modified Type 214 submarines will enter into service by 2015. [29] [30] [31] Defence Minister Vecdi Gonul stated that "Turkish industrial participation in the project would be worth around 80 percent of the total value of the deal". [32]

As the Turkish Type 214 will have a significant amount of Turkish indigenous systems on board, this variant of the Type 214 will be known as the Type 214TN (Turkish Navy). HDW will preassemble classified elements such as the fuel cells and propulsion system and will then ship them to Turkey. All electronic and weapon systems (including the C4I system) will be of Turkish production.

On 1 July 2011, the 2 billion euros order for six U 214 submarine material packages placed with ThyssenKrupp Marine Systems by Turkey entered into force with receipt of the advance payment. This enabled ThyssenKrupp to begin executing the order. The order was designated to contribute to securing employment at HDW in Kiel, as well as at many subcontractors in Germany and Turkey, for the next ten years. Yet, recently Turkey has received around 2 Million euros compensation from ThyssenKrupp due to delayed manufacturing of the Type214TN. [33] A possible reason for this delay is Turkey's demand for in-house developed software within the submarines. However, Germany refused Greek demands to block delivering six Type 214 submarines to Turkey, as the manufacturer Thyssen was bound by contracts signed since 2002. [34]

Failed bids

Indonesia

In the MEF III (Minimum Essential Force) it mentioned the Type 214 submarine from Germany alongside the Scorpène submarine from France. The Indonesian Navy is planning in procuring four to six superior Type 214 [35] submarines and two Scorpene submarines. [36]

On 2 March 2021, representatives of the German shipbuilder TKMS began discussions with the Indonesian Ministry of Defense and the Ministry of State Owned Enterprises regarding the procurement of up to four submarines of the Type 214 submarine. [37]

On 2 April 2024, Indonesia only placed an order for two Scorpene submarines but not for the Type-214. [38]

Pakistan

In 2008, the Pakistan Navy entered in negotiation of possibly purchasing three Type 214 to be built in KSEW through a technology transfer, and the HDW CEO Walter Freitag confirming and reportedly telling the news media in Pakistan during the IDEAS 2008 convention that: "The commercial contract has been finalised up to 95 per cent." [39]

It was reported that the first Type 214 diesel-electric submarine would be delivered to the Pakistan Navy in 64 months after signing of the contract while the rest would be completed successively in 12 months. [39] [40] After wavering for over two years, Pakistan dropped out from this deal when successfully negotiating with China to develop and design Eight Type 039A submarine that features the AIP technology with a complete transfer of technology to be built in Pakistan. [41]

Vessels by nation

CountryPennantNameLaid downLaunch DateCommission DateBuilder
Flag of Greece.svg  Greece

2000 4 Boats
2010 2 Boats
Contract
S-120 Papanikolis 27 February 2001April 20042 November 2010 Howaldtswerke-Deutsche Werft
S-121 Pipinos February 2003October 2006Summer of 2015 Hellenic Shipyards Co.
S-122 Matrozos February 2004November 200723 June 2016Hellenic Shipyards Co.
S-123 Katsonis 2005200723 June 2016Hellenic Shipyards Co.
Flag of South Korea.svg  Republic of Korea

2000 3 Boats
2008 6 Boats
Contract
SS 072 ROKS Sohn Won-yil October 20029 June 200627 December 2007 Hyundai Heavy Industries
SS 073 ROKS Jeong Ji 200413 June 20072 December 2008Hyundai Heavy Industries
SS 075 ROKS An Jung-geun 4 June 20081 December 2009Hyundai Heavy Industries
SS 076 ROKS Kim Jwa-jin 200813 August 2013 [42] [43] 30 December 2014 Daewoo Shipbuilding & Marine Engineering
SS 077 ROKS Yun Bong-gil 20093 July 2014 [44] 21 June 2016Hyundai Heavy Industries
SS 078 ROKS Yu Gwan-sun 20107 May 201510 July 2017 [45] Daewoo Shipbuilding & Marine Engineering [46]
SS 079 ROKS Hong Beom-do 20115 April 201623 January 2018Hyundai Heavy Industries
SS 081 ROKS Lee Beom-seok 20128 November 201613 May 2019Daewoo Shipbuilding & Marine Engineering
SS 082 ROKS Shin Dol-seok 20137 September 201731 January 2020Hyundai Heavy Industries
Flag of Portugal.svg  Portugal
2010 2 Boats
S 160 NRP Tridente 20052010May 2010Howaldtswerke-Deutsche Werft
S 161 NRP Arpão 20052010preliminary delivery in December 2010, final delivery on 28 April 2011 [47] Howaldtswerke-Deutsche Werft
Flag of Turkey.svg  Turkey
2009 6 Boats
S-330 TCG Piri Reis October 201522 December 2019 Gölcük Naval Shipyard
S-331 TCG Hızır Reis 2016Gölcük Naval Shipyard
S-332 TCG Murat Reis 25 February 2018Gölcük Naval Shipyard
S-333 TCG Aydın Reis 4 November 2018Gölcük Naval Shipyard
S-334 TCG Seydi Ali Reis 22 December 2019Gölcük Naval Shipyard
S-335 TCG Selman Reis 2022Gölcük Naval Shipyard

See also

Submarines of similar comparison

Related Research Articles

Type 212A submarine Class of diesel-electric Submarine

The Type 212A is a class of diesel-electric submarine developed by Howaldtswerke-Deutsche Werft AG (HDW) for the German Navy, and the Italian Navy where it is known as the Todaro class. It features diesel propulsion and an additional air-independent propulsion (AIP) system using Siemens proton-exchange membrane (PEM) compressed hydrogen fuel cells. The submarines can operate at high speed on diesel power or switch to the AIP system for silent slow cruising, staying submerged for up to three weeks with little exhaust heat. The system is also said to be vibration-free and virtually undetectable.

<i>Dolphin</i>-class submarine Israeli Navy submarine class

The Dolphin class is a diesel-electric submarine developed in Israel and constructed by Howaldtswerke-Deutsche Werft (HDW) in Kiel, Germany, for the Israeli Navy. The first boats of the class were based on the export-only German 209-class submarines, but modified and enlarged. The Dolphin 1 sub-class is slightly larger than the German Navy Type 212 in length and displacement. The three newer air-independent propulsion (AIP) equipped boats are similar to the Type 212 vessels in underwater endurance, but are 12 metres (39 ft) longer, nearly 500 tonnes heavier in submerged displacement and have a larger crew than either the Type 212 or the Type 214.

Air-independent propulsion (AIP), or air-independent power, is any marine propulsion technology that allows a non-nuclear submarine to operate without access to atmospheric oxygen. AIP can augment or replace the diesel-electric propulsion system of non-nuclear vessels.

<span class="mw-page-title-main">Howaldtswerke-Deutsche Werft</span> German shipbuilding company

Howaldtswerke-Deutsche Werft is a German shipbuilding company, headquartered in Kiel. It is part of the ThyssenKrupp Marine Systems (TKMS) group, owned by ThyssenKrupp. The Howaldtswerke shipyard was founded in Kiel in 1838 and merged with Hamburg-based Deutsche Werft to form Howaldtswerke-Deutsche Werft (HDW) in 1968. The company's shipyard was formerly used by Friedrich Krupp Germaniawerft until the end of World War II.

<span class="mw-page-title-main">Hellenic Shipyards Co.</span> Greek shipyard

Hellenic Shipyards S.A. is a large shipyard in Skaramagas, in West Athens regional unit, Greece founded in 1937 as a warship building company.

<i>Shishumar</i>-class submarine Diesel-electric attack submarines of the Indian Navy

The Shishumar-class submarines are diesel-electric attack submarines, currently in active service with the Indian Navy. These submarines are an Indian variant of the Type 209 submarines developed by the German yard Howaldtswerke-Deutsche Werft under the internal designation "Type 1500". The first two vessels were built by HDW at Kiel, Germany, while the remainder were built by Mazagon Dock Limited, at Mumbai, India, under a technology transfer agreement. The submarines were commissioned between 1986 and 1994. These submarines have a displacement of 1,660 tons when surfaced, a speed of 22 knots, and a complement of 40 including eight officers.

Scorpène-class submarine Class of submarine

The Scorpène-class submarines are a class of diesel-electric attack submarines jointly developed by the French Naval Group and the Spanish company Navantia. It features diesel propulsion and an additional air-independent propulsion (AIP). It is now marketed as the Scorpène 2000.

<i>Sōryū</i>-class submarine JMSDF submarine

The Sōryū-class submarines (16SS) are diesel-electric attack submarines. The first boat in the class entered service with the Japan Maritime Self-Defense Force in 2009. The design is an evolution of the Oyashio-class submarine, from which it can most easily be distinguished by its X-shaped stern combination diving planes and rudders. The Sōryūs have the largest displacement of any submarine used by post-war Japan.

Type 209 submarine Submarine class

The Type 209 is a range of diesel-electric attack submarines developed exclusively for export by Howaldtswerke-Deutsche Werft of Germany. Five class variants, including modifications thereof, have been successfully exported to 15 countries, with 68 submarines being built and commissioned to five different variants between 1971 and 2021. More boats have been built to modified designs.

The Blekinge-class submarine is the next generation of submarines developed by Kockums for the Swedish Navy, also known as the A26 type.

S-80 Plus-class submarine Spanish Navy submarine class

The S-80 Plus class is a Spanish class of four submarines being built by the state-owned Spanish company Navantia at its Cartagena shipyard for the Spanish Navy. In common with other contemporary submarines, they feature air-independent propulsion.

The Type 216 is a submarine design concept announced by Howaldtswerke-Deutsche Werft based on the Type 212/214.

The Invincible-class submarines, formally classified as the Type 218SG submarines, is a class of conventionally-powered attack submarines, ordered by the Republic of Singapore Navy (RSN) from German-based naval conglomerate ThyssenKrupp Marine Systems (TKMS). The Type 218SG is an extensively-customised derivative of the export-oriented Type 214 submarine, with specific design characteristics drawn from Type 212 submarines. They feature several capabilities, including a substantial level of automation, a significant payload capacity, enhanced underwater endurance and superlative ergonomics.

Project-75 (India) submarine acquisition project Planned class of submarines.

Project-75 (India), simply referred to as the P-75(I) program, is a military acquisition initiative affiliated to India's Ministry of Defence (MoD), aimed at the planned procurement of diesel-electric submarines for the Indian Navy (IN). Originally conceived in 1997, the initiative's objective has been to procure a class of six conventionally-powered attack submarines for the Indian Navy Submarine Arm, as a replacement for the force's Sindhughosh-class submarines.

KSS-III submarine South Korean submarine class

The KSS-III or Dosan Ahn Changho-class is a series of diesel-electric attack submarines currently being built for the Republic of Korea Navy (ROKN), jointly by Hanwha Ocean and HD Hyundai Heavy Industries (HHI). The KSS-III is the final phase of the Korean Attack Submarine program, a three-phased program to build 27 attack submarines for the ROKN, between 1994–2029.

The Reis-class submarines are a group of six license built submarines based on the Type 214 submarine for the Turkish Navy.

<i>Taigei</i>-class submarine Japanese attack submarine class

The Taigei-class submarines (29SS) (Japanese: たいげい, "Big Whale") is a new class of attack submarines after 2022, developed for the Japan Maritime Self-Defense Force. It is the successor to the Sōryū class.

The Type 212CD class is a submarine class developed by ThyssenKrupp Marine Systems (TKMS) for the Norwegian and German navies. The class is derived from the Type 212 submarine class, but will be significantly larger than the 212 class.

The Dakar-class submarine is a class of AIP-capable, diesel-electric attack submarines ordered by the Israeli Navy from German-based naval conglomerate ThyssenKrupp Marine Systems (TKMS).

The Hangor-class submarines are a class of diesel–electric attack submarines currently being manufactured by a joint-partnership of the China Shipbuilding Industry Corporation (CSIC) and the Karachi Shipyard & Engineering Works (KSEW) for the Pakistan Navy (PN). Eponymously christened after the former-Daphné-class submarines that the PN operated between 1970 and 2006, the class is an export derivative of the Chinese-origin Type 039A/041 attack submarine, currently operated by the People's Liberation Army Navy (PLAN). First unveiled to the public in 2018, the future submarines are envisaged to undertake anti-access/area denial operations within Pakistan's exclusive economic zone, through the use of heavyweight torpedoes and anti-ship cruising missiles.

References

  1. 1 2 3 "HDW Class 214 Submarine". thyssenkrupp. Retrieved 7 May 2021.
  2. "Pakistan's 214 Submarines made in Karachi with German help, World politics". Zimbio. Archived from the original on 1 February 2012. Retrieved 27 December 2011.
  3. "Why Germany's Type 214 Submarine Isn't Exactly a 'Stealth Submarine'". The National Interest. 11 May 2020. Retrieved 7 May 2021.
  4. "Type 212" . Retrieved 21 October 2006.
  5. Urlich Gabler: Submarine Design, Bernard & Graefe Verlag, ISBN   3-7637-6202-7, s. 151-153
  6. Dr. Albert E. Hammerschmidt(Siemens AG, Erlangen), Fuel Cell Propulsion of Submarines (PDF), archived from the original (PDF) on 16 July 2011
  7. "Type 214 stumbles into Greece". StrategyPage.com. 11 December 2006. Retrieved 30 November 2007.
  8. "Greece refuses delivery of first Type-214 submarine". Seapower. Navy League of the United States. December 2006. Archived from the original on 12 January 2010. Retrieved 30 November 2007.
  9. "TKMS will not deliver the boats until all debts are paid". Segeberger Zeitung. March 2008. Retrieved 31 March 2008.[ dead link ]
  10. "ThyssenKrupp cancels Greek submarine order". Reuters. 21 September 2009. Archived from the original on 12 October 2009.
  11. "Germany Cancels Submarine Contract with Greece". Defense-update.com. Archived from the original on 31 March 2012. Retrieved 27 December 2011.
  12. "Google Übersetzer" (in German). Retrieved 27 December 2011.
  13. "Πληρώσαμε τα νέα υποβρύχια 50% παραπάνω από τους Τούρκους". 13 February 2011.
  14. "Submarinos". Marinha (in European Portuguese). Retrieved 5 November 2022.
  15. Defensa.com (29 July 2014). "Submarinos Portugueses com mísseis ainda este ano - Noticias Defensa EDIÇÃO BRASIL". Defensa.com (in Spanish). Retrieved 5 November 2022.
  16. Defensa.com (29 July 2014). "Submarinos Portugueses com mísseis ainda este ano - Noticias Defensa EDIÇÃO BRASIL". Defensa.com (in Spanish). Retrieved 5 November 2022.
  17. "Submarino 'Tridente' da Marinha de Portugal será modernizado na Alemanha". Defesa Aérea & Naval (in Brazilian Portuguese). 24 January 2017. Retrieved 5 November 2022.
  18. "Revisão intermédia de um dos submarinos de Portas vai custar 24 milhões". www.jornaldenegocios.pt (in European Portuguese). Retrieved 5 November 2022.
  19. Rodrigues, Pedro. "Manutenção de submarinos em Portugal: Operação de flutuação e saída da doca do Arpão". idD Portugal Defence (in European Portuguese). Retrieved 5 November 2022.
  20. "A Lei de Programação Militar: Programas,Valores e Oportunidades" (PDF). 2021.
  21. "Lei Orgânica n.º 2/2019" (PDF).
  22. "잠수함산업 발전방향에 관한 연구(2)" (PDF). Korea Defense Industry Association. 1 January 2004. Archived from the original (PDF) on 13 June 2023. Retrieved 13 June 2023.
  23. "Newest submarine for Navy is defective". chosun.com. 14 March 2008. Retrieved 14 March 2008.
  24. "알림메세지". navy.mil.kr. Retrieved 3 February 2019.
  25. "South Korea launches guided-missile submarine".
  26. Güngör Uras (29 April 2014). "Torpidoları aldık ama denizaltı yok". Milliyet.
  27. "Turkey's first Reis-class submarine starts sea trials". Janes.com. Retrieved 15 October 2023.
  28. Ozberk, Tayfun (25 May 2023). "Turkish Navy launches the 2nd Reis-class (Type 214TN) AIP submarine". Naval News. Retrieved 15 October 2023.
  29. Turkey Inks Sub Deal With German Consortium [ dead link ], Defence News, 2 July 2009
  30. Germany, Turkey sign deal to build submarines, Today's Zaman, 3 July 2009
  31. New Type Submarine (AIP) Project Archived 22 July 2011 at the Wayback Machine , Undersecretariat for Defence Industries of the Republic of Turkey
  32. Turkey, Germany ink sub deal, Hurriyet Daily News, 3 July 2009
  33. ThyssenKrupp Marine Systems (1 July 2011). "ThyssenKrupp Marine Systems – Restructuring largely complete / Strategy confirmed by Turkish submarine contract" (Press release). defense-aerospace.com. Retrieved 6 July 2011.
  34. "Germany rejects Greek request to freeze submarine sale to Turkey". Daily Sabah. 29 January 2021.
  35. "Indonesia, TKMS discuss HDW Class 209, 214 submarines for navy's requirements". Janes.com. Retrieved 23 December 2022.
  36. "Indonesia plans to buy 4 Scorpene submarines and 2 Gowind corvettes". navyrecognition.com. Retrieved 23 December 2022.
  37. Rahmat, Ridzwan (4 March 2021). "TKMS representatives arrive in Jakarta to discuss Type 214 submarines". www.janes.com. Retrieved 7 March 2021.
  38. Inti, Landauro (2 April 2024). "Indonesia buys two submarines from French state-owned Naval Group". Reuters.
  39. 1 2 "Global Naval Forces - News and Defence Headlines - IHS Jane's 360" . Retrieved 19 December 2014.
  40. "Satisfied with COAS Gen. Kayani performance: PM Gilani". PakTribune. Retrieved 27 December 2011.
  41. Defense News, 14 March 2011, p. 1
  42. "SBS 뉴스 :: 리다이렉트 페이지". 13 August 2013. Retrieved 19 December 2014.
  43. "DSME Launches 4th Type 214 1,800-ton SSK Submarine for ROK Navy". 14 August 2013.
  44. "김정은 '고물' 잠수함 허세에…1800톤급 최신예 '윤봉길함' 내달 초 진수 :: 뉴스zum". Archived from the original on 11 January 2016. Retrieved 19 December 2014.
  45. "Navy Takes Delivery of 1,800-Ton Submarine". Chosun Ilbo. 11 July 2017. Retrieved 12 July 2017.
  46. "Kbs News". News.kbs.co.kr. 24 May 2011. Archived from the original on 29 February 2012. Retrieved 27 December 2011.
  47. "Defesa: Submarino "Arpão" chega sábado à Base Naval de Lisboa". Sapo notícias. 28 April 2011. Archived from the original on 30 April 2011. Retrieved 28 April 2011.