HSY-55-class gunboat

The HSY-55-class gunboat is a class of naval vessel designed by the Hellenic Navy and built by Hellenic Shipyards (HSY). 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 Osprey 55-class gunboat. The first pair was ordered on 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.

Polemistis (P 61)
Polemistis (P 61)
Class overview
Operators Hellenic Navy
Built1990–1993
In commission1993–present
Completed2
Active2
General characteristics [1]
TypePatrol boat
Displacement595 t (586 long tons) full load
Length56.5 m (185 ft 4 in)
Beam10 m (32 ft 10 in)
Draught2.7 m (8 ft 10 in)
Propulsion2 × Wärtsilä Nohab 16V25 diesels, 9,200 hp (6.9 MW) sustained; 2 shafts
Speed24 knots (44 km/h; 28 mph)
Range
  • 2,470 nmi (4,570 km) at 15 kn (28 km/h; 17 mph)
  • 900 nmi (1,700 km) at 24 kn (44 km/h; 28 mph)
Troops23
Complement36 (6 officers)
Sensors and
processing systems
  • Thomson-CSF Triton; I-band surface search radars
  • Selenia Elsag NA 21 weapons control
Armament

Pyrpolitis was renamed Kasos on 11 November 2005, after the island of Kasos in the Dodecanese. The ship is based in the area of Kasos, and the name recognises the island and the Kasos Massacre during the Greek War of Independence.[2]

Ships
Ship Builder Commissioned Status
P57 Kasos Κάσος (formerly Pyrpolitis Πυρπολητής) Hellenic Shipyards S.A. 4 May 1993 In active service (2018)
P61 Polemistis Πολεμιστής Hellenic Shipyards S.A. 16 June 1994 In active service (2018)

See also

References
  1. "Hellenic Navy - Gunboats Class Osprey HSY-55". hellenicnavy.gr. Archived from the original on 30 May 2008. Retrieved 22 June 2010.
  2. "Κ/Φ ΚΑΣΟΣ (Ρ 57)" (in Greek). hellenicnavy.gr. Retrieved 26 October 2018.
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