IRIS Yunes (903)

IRIS Younes or Yunes[2] (Persian: زیردریایی یونس) is the third Kilo-class attack submarine of Islamic Republic of Iran Navy serving in the Southern Fleet. The submarine is part of the 28th Flotilla.[3]

Younes in July 2011
History
Iran
NameYounes
NamesakeJonah
OperatorIslamic Republic of Iran Navy
BuilderAdmiralty Shipyard
Laid down1990
Launched12 July 1994
Commissioned25 November 1996
HomeportBandar Abbas[1]
Identification903[1]
StatusIn active service
General characteristics
Class and typeKilo-class submarine
Displacement
  • 2,356 tons surfaced,[1]
  • 3,076 tons submerged[1]
Length72.6 m (238 ft 2 in)[1]
Beam9.9 m (32 ft 6 in)[1]
Draft6.6 m (21 ft 8 in)[1]
Installed powerDiesel-electric[1]
Propulsion
  • 2 × 3,650 horsepower (2.72 MW) Generators[1]
  • 1 × 5,500 horsepower (4.1 MW) Propulsion motor[1]
  • 1 × 130 horsepower (97 kW) Economic speed motor[1]
  • 2 × 204 horsepower (152 kW) Auxiliary propulsion motor[1]
  • 1 × Shaft[1]
  • 2 × Diesels[1]
Speed
  • Surfaced; 10 knots (19 km/h)[1]
  • Snorkel mode; 9 knots (17 km/h)[1]
  • Submerged; 17 knots (31 km/h)[1]
Range
  • Snorkel mode; 6,000 mi (9,700 km) at 7 kn (13 km/h)[1]
  • Submerged; 400 mi (640 km) at 3 kn (5.6 km/h)[1]
Test depthNormally 240 m (790 ft)[1]
Complement53 (12 officers)[1]
Armament

Construction and commissioning

Iran and Russia signed a contract for submarines in 1988.[1] It was reportedly worth $750 million for two submarines (Taregh and Nooh), with an option for the third (Younes).[4]

Her keel was laid down at Admiralty Shipyard in Saint Petersburg in 1990.[1] She was launched in 1993 and was commissioned on 25 November 1996.[1] Jane's Defence Weekly reported on 8 October 1994 that Iran was considering cancellation of Younes, due what was later revealed to be continued problems with batteries of the first two received submarines of the same class.[5]

The submarine is named after Jonah.[6]

Service history

According to Jane's, Younes did not appear in Indian Naval Review in February 2001, probably because of a mechanical problem.[1]

In July 2011, Younes returned from its first mission in high seas, ending a 66-day deployment since April in the Gulf of Aden and the Red Sea.[7] An Iranian naval official said the submarine tested upgraded systems during the mission, identifying and intercepting surface vessels and subsurface float of different countries within area.[7] It also accompanied 14th Flotilla fighting Piracy off the coast of Somalia in July.[8]

On 20 November 2013, Younes left home on a mission to East Asia.[3] Welcomed by local officials, it docked at Mumbai, India on 5 December.[9] The submarine arrived at Colombo, Sri Lanka on 22 December[10] and was visited by Admiral Jayanath Colombage before it left the port.[11]

See also

References
  2. Singh, Abhijit (2010), "Dark Chill in the Persian Gulf – Iran's Conventional and Unconventional Naval Forces", Maritime Affairs, National Maritime Foundation, 6 (2): 108–113, doi:10.1080/09733159.2010.559788, ISSN 1946-6609, S2CID 110041921
  3. "Iran sends heavy submarine to East Asian waters", Iranian Students' News Agency, 20 November 2013, retrieved 15 June 2020
  4. Faruqi, Anwar (23 November 1992), "Iranian Navy Commissions Russian-Built Sub, First In Gulf", Associated Press, retrieved 15 June 2020
  5. "Iran Report", Radio Free Europe/Radio Liberty, vol. 2, no. 1, 4 January 1999
  6. "Iran", United States Naval Institute Proceedings, United States Naval Institute, 123: 91, 1997
  7. "Iranian submarine returns home after mission in int'l waters", Trend News Agency, 5 July 2011, retrieved 15 June 2020
  8. "Iran's submarine's 'international mission'", United Press International, 5 July 2011, retrieved 15 June 2020
  9. "Iran's 28th naval fleet enters Indian port of Mumbai", Trend News Agency, 5 December 2013, retrieved 15 June 2020
  10. "Iranian Submarine in Colombo", The Daily Mirror, 25 December 2013, retrieved 15 June 2020
  11. "SL Navy Chief visits Iran's submarine", The Daily Mirror, 25 December 2013, retrieved 15 June 2020
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