Etna-class replenishment oiler

	Etna at Napoli in 2010
Class overview
Name	Etna class
Builders	Italcantieri - Cantieri Navali del Tirreno e Riuniti, Riva Trigoso; Elefsis Shipyards;
Operators	Italian Navy; Hellenic Navy;
In commission	1998–present
Completed	2
Active	2
General characteristics
Type	Replenishment oiler/Command ship
Displacement	13,400 t (13,200 long tons) full load; 5,980 t (5,890 long tons) standard;
Length	146.6 m (481 ft 0 in) LOA
Beam	21 m (68 ft 11 in)
Draught	7.25 m (23 ft 9 in)
Depth	7.4 m (24 ft 3 in)
Propulsion	2 × shafts; 2 × 12V-ZAV-405 diesel engines, 17,290 kW (23,190 hp);
Speed	21 knots (39 km/h; 24 mph)
Range	7,600 nmi (14,100 km; 8,700 mi)
Complement	up to 240
Sensors &; processing systems	Etna:; 1 × surface radar RASS radar (X-band) ; Prometheus:; 1 × AN/SPS-10D surface radar (G-band);
Armament	Etna:; 2 × 25 mm (0.98 in)/90-calibre guns; Prometheus:; 8 × 20 mm (0.79 in) guns;
Aircraft carried	1 × helicopter
Aviation facilities	28 m × 21 m (92 ft × 69 ft) flight deck ; hangar capable of storing 1 × helicopter;
Notes	4 × replenishment at sea (RAS) systems; 1 × RAS aft station for the supply of oil;

The Etna class is a ship class of two naval replenishment and logistic support ships in operation by the Italian Navy and the Hellenic Navy. The two ships have similar hulls but have differences in their armament and sensor equipment.

Class overview
Etna at Napoli in 2010
Name	Etna class
Builders	Italcantieri - Cantieri Navali del Tirreno e Riuniti, Riva Trigoso Elefsis Shipyards
Operators	Italian Navy Hellenic Navy
In commission	1998–present
Completed	2
Active	2
General characteristics
Type	Replenishment oiler/Command ship
Displacement	13,400 t (13,200 long tons) full load 5,980 t (5,890 long tons) standard
Length	146.6 m (481 ft 0 in) LOA
Beam	21 m (68 ft 11 in)
Draught	7.25 m (23 ft 9 in)
Depth	7.4 m (24 ft 3 in)
Propulsion	2 × shafts 2 × 12V-ZAV-405 diesel engines, 17,290 kW (23,190 hp)
Speed	21 knots (39 km/h; 24 mph)
Range	7,600 nmi (14,100 km; 8,700 mi)
Complement	up to 240
Sensors & processing systems	Etna: 1 × surface radar RASS radar (X-band) Prometheus: 1 × AN/SPS-10D surface radar (G-band)
Armament	Etna: 2 × 25 mm (0.98 in)/90-calibre guns Prometheus: 8 × 20 mm (0.79 in) guns
Aircraft carried	1 × helicopter
Aviation facilities	28 m × 21 m (92 ft × 69 ft) flight deck hangar capable of storing 1 × helicopter
Notes	4 × replenishment at sea (RAS) systems 1 × RAS aft station for the supply of oil