Thetis class gunboat

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The Thetis-class gunboat, originally developed for the German Navy and first commissioned in 1961, is a class of naval vessel currently in service in the Hellenic Navy. Similar in size to corvettes, all three vessels were built by Rolandwerft, Bremen. The Thetis class carries a compliment of 20-mm and 40-mm guns, Mk 46 Mod5 torpedoes and mines, and are equipped with sonar. Recently, the A/S mortars have been replaced by a second 40-mm gun and single torpedo tubes by triple mountings. Upgrades started in 2000 may have included enclosed 40-mm gun mountings and Rheinmetall 20-mm guns to replace the MGs.

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[edit] Ships

[edit] Specifications

  • Displacement, standard: 584.2 tonnes
  • Displacement, full load: 743.7 tonnes
  • Length: 70 m
  • Beam: 8.2 m
  • Draught: 2.7 m
  • Range: 2760 nmi at 15 kt
  • Speed: 19.5 kn
  • Main machinery: 2 MAN V84V diesels; 6,800 hp(m) (5 MW); 2 shafts
  • Crew: 48 (4 officers)
  • Guns: 4 Breda 40 mm/70 (2 twin); 300 rounds/min to 12.5 km (6.7 nmi); weight of shell: 0.96 kg. Two 12.7 mm MGs.
  • Torpedoes: Six 324-mm Mk 32 (2 triple) tubes; 4 Honeywell Mk 46 Mod 5; active/passive homing to 11 km (5.9 nmi) at 40 kt; warhead: 44 kg
  • Depth charges: 2 rails
  • Countermeasures: ESM: Thomson-CSF DR 2000S; intercept.
  • Weapons control: Signaal Mk 9 TFCS
  • Radars: Surface search: Thomson-CSF TRS 3001; E/F-band. Navigation: Kelvin Hughes 14/9; I-band.
  • Sonars: Atlas Elektronik ELAC 1 BV; hull-mounted; active search and attack; high frequency.

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