ARA Alferez Sobral (A-9)

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ARA Alférez Sobral (A-9).jpg
Alférez Sobral in Ushuaia, 2008
History
United States
Name: USS Salish (ATA-187)
Laid down: 29 August 1944
Launched: 29 September 1944
Commissioned: 7 December 1944
Renamed: Salish, 16 July 1948
Decommissioned: 10 February 1972
Fate: transferred to Argentine Navy, 10 February 1972
Struck: 1 February 1975
History
Argentina
Name: Alférez Sobral
Acquired: 10 February 1972
Status: in active service, as of 2024
General characteristics
Displacement: 835 tons (848 t) (full)
Length: 143 ft (44 m)
Beam: 33 ft 10 in (10.31 m)
Draft: 13 ft 2 in (4.01 m)
Propulsion:
  • Diesel-electric engines,
  • 1,500 shp (1,100 kW) single screw
Speed: 13 knots (24 km/h; 15 mph)
Complement: 45–49
Armament:

ARA Alférez Sobral (A-9) is an 800-ton ocean-going tug[1] in service on the Argentine Navy since 1972, where she is classified as an aviso.[2] She had previously served in the US Navy as the fleet tug USS Salish (ATA-187). In Argentine service an aviso is a small naval vessel used for many auxiliary tasks, including tugging, laying buoys, and replenishing other ships, lighthouses and naval bases.[3]

US Navy service

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Main article: USS Salish (ATA-187)

Built by Levingston Shipbuilding Co., at Orange, Texas as a Sotoyomo-class rescue tug served as USS Salish (ATA-187) from 1944 to 1972.

Argentine Navy service

File:AlferezSobral.jpg
Sobral shortly after joining Argentina's Navy

The ship was named after Antarctic explorer Alférez José María Sobral (1880–1961). She was acquired on 10 February 1972 along with her sister-ship ARA Comodoro Somellera from Mayport, Florida on 6 March 1972 and arriving to Puerto Belgrano on 18 April.

Falklands War

In the early hours of the morning on 3 May 1982, the ship was hit by at least two Sea Skua anti-ship missiles fired by British Westland Lynx HAS.Mk.2/3 helicopters.

At the time the ship was approximately 60 nautical miles (110 km)[4][5] north of the Falkland Islands searching for the crew of a downed Canberra (B-110) bomber that had been shot down two days earlier by an AIM-9 Sidewinder AAM (air-to-air missile) fired from a British BAe Sea Harrier FRS.Mk.1 (XZ451). The Sobral was initially spotted by a Westland Sea King helicopter. When the helicopter approached to investigate, it was shot at by the vessel's 20 mm fore cannon. The helicopter immediately retreated and called for assistance.

In response HMS Coventry and HMS Glasgow launched their Westland Lynx HAS.Mk.2/3 helicopters. Coventry's Lynx (XZ242) attacked first, firing two Sea Skua (air-to-surface) anti-ship missiles. One of the missiles narrowly missed the bridge, the second hit Sobral's fiberglass motorboat, injuring the crew of a 20 mm cannon and knocking out the radio aerials.

Twenty minutes later Glasgow's Lynx (XZ247) launched two more missiles, at least one of which struck the bridge, causing extensive damage. The attack killed eight of the crew—including the ship's captain, Lieutenant Commander Sergio Gómez Roca—and injured eight. The Sobral lost all her electrical power, radio, radar and compass; she had no working navigational aids.

She was found and helped by the Sikorsky S-61N LV-OCL (a civilian helicopter requisitioned by the Argentine Air Force as part of Escuadron Fenix[6] and piloted by 1st Lt Lucero) which evacuated the injured. Sobral was then assisted by the civilian trawler María Alejandra[7] and finally reached Puerto Deseado on 5 May. The attack had occurred at the approximated position Lua error in package.lua at line 80: module 'strict' not found..

Post-war

The ship survived the conflict and remains in naval service for more that 30 years after the war. The ship's badly damaged bridge is currently on display at the Naval Museum in Tigre, Buenos Aires Province, Argentina.

Argentina's final Espora class corvette was renamed ARA Gómez Roca (P-46) to honour Sobral's captain, Goméz Roca, the first commander of an Argentine ship to be killed in action since the war with Brazil in the 19th century.[8] The aviso ARA Teniente Olivieri (A-2) is named after the Guardamarina (midshipman) Olivieri, also killed in the action.[9]

Since 1993 Sobral had been based at Ushuaia; in February 2010 she moved to Mar del Plata switching places with ARA Gurruchaga (A-3).[10]

In 2001 she assisted the expedition ship Caledonian Star which had been struck by a rogue wave during transit of the Drake Passage.[11]

She was still in service 28 years after the war.[3]

Specifications

ARA (A-9) Alférez Sobral Feb 10/72, Sotoyomo-class aviso[2][12]
Displacement 835 tonnes
Length 43.6 m
Beam 10.3 m
Draught 2.2 m
Propulsion 2 GM 12-278 A diesel-electric 2200 HP engines, 2 1500 HP generators, 1 propeller
Cruising speed 8 kn
Maximum speed 13 kn
Range 16,500 nm
Armament 1 Bofors 40/60 Mocelo C cannon, 2 20mm Mk 4 Mod 6 machinegun mounts
Crew: 46

References

  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ 2.0 2.1 fuerzasnavales.com: Technical Specs and picture of aviso ARA Sobral (Spanish)
  3. ↑ 3.0 3.1 Aviso ARA A"lférez Sobral" en combate, article by her second-in-command in 1982 (Spanish)
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Escuadrón Fénix Web site: History (Spanish)
  7. ↑ Muñoz, Jorge (2000) Misión Cumplida. Editorial Epopeya, p. 141 (Spanish)
  8. ↑ Rememoran el ataque al aviso “Sobral” La Gaceta Marinera, 5 May 2010. (Spanish)
  9. ↑ A-2 official site (Spanish)
  10. ↑ Un navío heroico con nuevo puerto en Mar del Plata (Spanish)
  11. ↑ Llegó a Ushuaia el crucero averiado y no podrá zarpar (Spanish)
  12. ↑ The US Sotoyomo-class were fleet tugs; this vessel was classified as an aviso in Argentine service

External links

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