ARA Alférez Sobral

ARA Alférez Sobral (A-9) is an 800-ton ocean-going tug that was in service with the Argentine Navy from 1972 until 2019, where she was classified as an aviso. 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 a number of auxiliary tasks, including tugging, laying buoys, and replenishing other ships, lighthouses and naval bases.

Alférez Sobral in Ushuaia, 2008
History
United States
NamesakeSalish tribe
Laid down29 August 1944
Launched29 September 1944
Commissioned7 December 1944
Decommissioned10 February 1972
Fatetransferred to Argentine Navy, 10 February 1972
Stricken1 February 1975
Argentina
NameAlférez Sobral
NamesakeJosé María Sobral
Acquired10 February 1972
DecommissionedAugust 2018
General characteristics
Displacement835 tons (848 t) (full)
Length143 ft (44 m)
Beam33 ft 10 in (10.31 m)
Draft13 ft 2 in (4.01 m)
Propulsion
  • Diesel-electric engines,
  • 1,500 shp (1,100 kW) single screw
Speed13 knots (24 km/h; 15 mph)
Complement45–49
Armament
  • as Salish
  • 1 × single 3 inch/50 guns,
  • 2 × twin 40 mm AA guns
  • as Alférez Sobral
  • 1 × 40 mm /60 Bofors gun,
  • 2 × Oerlikon 20 mm cannon
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