ARA Patagonia (B-1)

ARA Patagonia (B-1) is a multi-product replenishment oiler of the Durance class in service in the Argentine Navy. She was the lead ship of her class serving in the French Navy as Durance (A 629) from 1977 to 1999. In French service, the ship served with the Force d'action navale (FAR, "Naval Action Force"). In Argentine service the vessel is used in multi-national naval exercises and supplies the Antarctic missions operating from Ushuaia. In 2017, Patagonia was used to search for the missing submarine ARA San Juan.

For other ships with the same name, see ARA Patagonia.
ARA Patagonia during UNITAS manoeuvres
History
France
Name: Durance
Namesake: Durance
Builder: Brest Arsenal, Brest
Laid down: 12 December 1973
Launched: 6 September 1975
Commissioned: 1 December 1976
Decommissioned: 5 December 1997
Identification: Pennant number A 629
Fate: Sold to Argentina
Argentina
Name: Patagonia
Namesake: Patagonia
Acquired: 12 July 1999
Commissioned: 9 July 2000
Identification:
Status: In active service
General characteristics
Class and type: Durance-class tanker
Displacement:
  • 7,700 t (7,600 long tons) standard
  • 18,200 t (17,900 long tons) (full load)
Length: 157.2 m (515 ft 9 in)
Beam: 21.2 m (69 ft 7 in)
Draught:
  • 8.65 m (28 ft 5 in) (average)
  • 10.8 m (35 ft 5 in) (full load)
Propulsion:
Speed: 19 knots (35 km/h; 22 mph)
Range: 9,000 nmi (17,000 km; 10,000 mi) at 15 knots (28 km/h; 17 mph)
Sensors and
processing systems:		 2 × 1226 radars
Armament:
Aircraft carried: 1 helicopter
Aviation facilities: Helicopter deck and hangar

Description

In French service, the first two ships of the Durance class were dubbed Pétrolier Revitailleur d'Escadre (PRE, "fleet replenishment oiler"). Durance as constructed, carried two cranes abaft the bridge. Durance has a standard displacement of 7,700 tonnes (7,600 long tons) and 18,200 t (17,900 long tons) at full load. Durance is 157.3 metres (516 ft 1 in) long overall and 149 m (488 ft 10 in) between perpendiculars with a beam of 21.2 m (69 ft 7 in) and a draught of 8.65 m (28 ft 5 in) empty and 10.8 m (35 ft 5 in) at full load. The ship is powered by two SEMT Pielstick 16 PC2.5 V 400 diesel engines turning two LIPS controllable pitch propellers rated at 15,000 kilowatts (20,000 hp). The vessel has a maximum speed of 19 knots (35 km/h; 22 mph) and a range of 9,000 nmi (17,000 km; 10,000 mi) at 15 knots (28 km/h; 17 mph).[1][2]

Durance was equipped with two landing craft for vehicles and personnel.[3] The ship has two dual solid/liquid underway transfer stations per side and can replenish two ships per side and one astern.[4] As built, Durance had capacity for 7,600 t (7,500 long tons) of fuel oil, 1,500 t (1,500 long tons) of diesel oil, 510 t (500 long tons) of JP-5 aviation fuel, 130 t (130 long tons) of distilled water, 170 t (170 long tons) of provisions, 150 t (150 long tons) of munitions and 51 t (50 long tons) of spare parts.[2]

The Durance-class tankers all mount a flight deck over the stern and a hangar. The ship utilised Aérospatiale Alouette III and Westland Lynx helicopters in French service, but are capable of operating larger ones from their flight deck.[2] For defence, Durance was armed with twin-mounted Bofors 40 mm (1.6 in)/L60 anti-aircraft (AA) guns and four 12.7 mm (0.5 in) machine guns. The ship is equipped with two Racal Decca 1226 radars. In Argentine service, Patagonia has a complement of 164 including 10 officers with accommodation for 29 more.[5]

Construction and career

French service

Durance was the first ship ordered in its class, and was constructed by the Arsenal de Brest at Brest, France, with its keel laid down on 10 December 1973. The ship was launched on 6 September 1975. The vessel entered service on 1 December 1976.[1][2] In French service, the ship was assigned to the Force d'action navale (FAR, "Naval Action Force"). Durance was decommissioned on 5 December 1997 and placed in reserve. The ship was sold to the Argentine Navy on 12 July 1999.[1]

Argentine service
ARA Patagonia in 2005

Renamed ARA Patagonia, the replenishment ship arrived at Puerto Belgrano on 29 August 1999 where she spent one year in drydock receiving an overhaul of her engines and hull. She was commissioned with the pennant number B-1 (LPGA) into the Amphibious and Logistic Naval Command (COAL) of the fleet on 9 July 2000 and made her first voyage in the following month.[6] Since then Patagonia has participated in numerous exercises and operations within the fleet and foreign navies including Pre-Unitas, UNITAS,[7] Gringo-Gaucho,[8] Atlasur, PASSEX, Gosth, and Fraterno with the United States, Chile, Brazil and Spain among others. The ship is annually deployed south during the Antarctic summer campaigns to supply ARA Almirante Irízar and ARA Puerto Deseado operating from Ushuaia.[9]

In May 2005 about 30 congressmen from Argentina and Chile celebrated the 20 anniversary of the Peace and Friendship Treaty aboard Patagonia.[10] In 2010 she served as support/control unit for the tall ships regatta that took part of the Argentina Bicentennial celebrations.[11] In November 2017, Patagonia was used in the search for the missing Argentine submarine ARA San Juan.[12]

References

Notes

Portions taken from Spanish Wikipedia

  1. Saunders 2009, pp. 20, 269.
  2. Couhat 1986, p. 139.
  3. "Pétrolier ravitailleur Durance : Caractéristiques principales" [Durance tanker: Main features]. netmarine.net (in French). Retrieved 9 January 2020.
  4. Couhat 1986, pp. 139–140.
  5. Saunders 2009, p. 20.
  6. "El nuevo buque de la Armada hizo su primer viaje oficial" [The new Navy ship made its first official trip]. La Nacion (in Spanish). 21 August 2000. Retrieved 16 January 2020.
  7. Scott, Michael J. (6 February 2010). "UNITAS 51 Atlantic Phase Comes to a Close". United States Navy. Retrieved 16 January 2020.
  8. "Comienza la Operación "Gringo-Gaucho" con el portaaviones USN "Carl Vinson"" [Operation "Gringo-Gaucho" begins with the USN aircraft carrier "Carl Vinson"]. neustromar.org (in Spanish). 8 March 2010. Retrieved 16 January 2020.
  9. "Ushuaia: zarpó el rompehielos Irízar rumbo a la Antártida" [Ushuaia: the icebreaker Irízar sets sail for Antarctica]. La Nacion (in Spanish). 10 April 2003. Retrieved 16 January 2020.
  10. "Argentina y Chile recordaron el acuerdo de paz" [Argentina and Chile recall the peace agreement]. La Nacion (in Spanish). 2 May 2005. Retrieved 16 January 2020.
  11. "Relatos y vivencias de la Regata del Bicentenario" [Stories and experiences of the Bicentennial Regatta]. La Nacion (in Spanish). 19 March 2010. Retrieved 16 January 2020.
  12. "Argentine navy not giving up hope of submarine survivors". wtop.com. The Associated Press. 26 November 2017. Retrieved 16 January 2020.

Bibliography
  • Couhat, Jean Labayle, ed. (1986). Combat Fleets of the World 1986/87. Annapolis, Maryland: Naval Institute Press. ISBN 0-85368-860-5.CS1 maint: ref=harv (link)
  • Saunders, Stephen, ed. (2009). Jane's Fighting Ships 2009–2010 (112 ed.). Alexandria, Virginia: Jane's Information Group Inc. ISBN 0-7106-2888-9.CS1 maint: ref=harv (link)

Further reading
  • Guia de los buques de la Armada Argentina 2005–2006. Ignacio Amendolara Bourdette, ISBN 987-43-9400-5, Editor n/a. (Spanish/English text)
  • Garcia Pedroche, Sergio & Nuñez Padin, Jorge Felix (2004). Nuñez Padin, Jorge Felix (ed.). ARA B1 "Patagonia". Fuerzas Navales (in Spanish). Nº1. Bahia Blanca, Argentina: Fuerzas Aeronavales.
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