Derivatives / Succeeded by 2004 LCC Hercules class Specifications 270crew 4100full load (tn) 125length (m) 14.60beam (m) 5.20draught (m) 28max speed (knots) 2Naval Engine gas turbine - Rolls Royce Olympus2Naval Engine gas turbine - Rolls Royce Tyne2Naval Engine propulsion system: COGAG 4Missile Launcher MM38 Exocet single launcher 1Missile Launcher Sea Dart 1Naval Gun Mark 8 4.5 inch (114mm) 2Chaff and decoys Corvus chaff launcher 1Naval Radar air search radar Type 9652Naval Radar fire direction radar Type 9091Naval Radar surface and low level air search radar Type 9921Sonar hull mounted sonar Type 1621Sonar hull mounted sonar Type 184 Aircraft Typical Max Argentine Navy SNIA Alouette III 11 Argentine Navy Westland Lynx mk23 11 Shipyards Astillero Rio Santiago (AFNE) - 1 BAE Systems (Vickers) - 1 List of Ships Filter: AllAR - Argentine Navy .......... 3 Hide Transfers Hide derivatives 19771999Argentine NavyD1ARA HerculesLOHE2004-- Hercules class B52 ARA Hercules 19812000 sunk 2013Argentine NavyD2ARA Santisima TrinidadLOSS2 units Events 1970-may-18OrderedOrdered D1 ARA Hercules 1970-may-18OrderedOrdered D2 ARA Santisima Trinidad 1971-jun-16Laid downLaid down D1 ARA Hercules 1971-oct-11Laid downLaid down D2 ARA Santisima Trinidad 1972-oct-24LaunchedLaunched D1 ARA Hercules 1974-nov-09LaunchedLaunched D2 ARA Santisima Trinidad 1976-may-09TrialsTrials D1 ARA Hercules returned to Barrow after sea trials, wearing side number 28. 1976-jul-12CommissionedCommissioned D1 ARA Hercules entered ARA service 19 Sept 1977 1977-augHomeportHomeport D1 ARA Hercules arrived in Argentina after completion of shakedown and training in UK. 1981-jul-01CommissionedCommissioned D2 ARA Santisima Trinidad original commissioning delayed by underwater bomb blast damage 1999Fate: transferedFate: transfered D1 ARA Hercules converted and re-classified 2000DecommissionedDecommissioned D2 ARA Santisima Trinidad into Reserve 2013-janFate: sunkFate: sunk D2 ARA Santisima Trinidad rolled over and sank at Puerto Belgrano, following a period of canniblisation to keep ARA Hercules operational. 2015-dec D2 ARA Santisima Trinidad refloated.