HSY-55 class gunboat

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The gunboat class HSY-55 is a class of naval vessel designed by the Hellenic Navy. This class of ship uses the modular concept so that weapons and sensors can be changed as required. These vessels are similar in appearance to Gunboats Class Osprey 55. The first pair was ordered in 20 February 1990, but completion was delayed by the shipyard's financial problems. Pyrpolitis (P57) was launched on 16 September 1992, and Polemistis (P61) on 21 June 1993. Each ship can carry 25 fully equipped troops. Alternative guns and Harpoon SSM can be fitted as required.

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[edit] Ships

[edit] Specifications

  • Displacement, full load: 563.8 tonnes
  • Length: 56.5 m
  • Beam: 10 m
  • Draught: 2.7 m
  • Main machinery: 2 Wärtsilä Nohab 16V25 diesels; 9,200 horsepowerhp(m) (6.76 MW) sustained; 2 shafts
  • Speed: 24 kn
  • Range: 2,470 NM at 15 kn; 900 at 24 kn
  • Crew: 36 (6 officers), plus 23 troops
  • Missiles: SSM: 4 McDonnell Douglas Harpoon (can be fitted).
  • Guns: 1 OTO Melara 3 in (76 mm)/62 compact; 85 rounds/min to 16 km (8.6 NM) anti-surface; 12 km (6.6 NM) anti-aircraft; weight of shell: 6 kg. 1 Bofors 40 mm/70. 2 Rheinmetall 20 mm.
  • Mines: 2 rails.
  • Weapons control: Selenia Elsag NA 21.
  • Radars: Surface search: Thomson-CSF Triton; I-band.

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