Etna-class replenishment oiler

Etna (A 5326), Napoli 2010
Class overview
Name	Etna
Builders	Italcantieri - Cantieri Navali del Tirreno e Riuniti, Riva Trigoso, Elefsis Shipyards
Operators	Italian Navy  Hellenic Navy
In commission	1998-2003
Completed	2
Active	2
General characteristics
Type	replenishment oiler
Displacement	- 13.400 t (13.188 long tons) full load - 5.980 t (5.886 long tons) to empty ship
Length	- 146.6 m (481 ft) LOA - 138.8 m (455 ft) LPP
Beam	21 m (69 ft)
Draft	7.25 m (23.8 ft)
Depth	7.4 m (24 ft)
Propulsion	- 2 × shafts with controllable pitch propellers - 2 x diesel engines Sulzer 12V-ZAV-40S, 8,640 kW (11,590 bhp) each - 1 x bow thruster
Speed	21 knots (39 km/h; 24 mph)
Range	7,600 nmi (14,100 km; 8,700 mi) at 18 knots (33 km/h; 21 mph)
Complement	up to 245
Crew	160
Sensors and processing systems	Etna: - 1 x surface radar Selex ES RASS X band radar - 2 x navigation radar GEM Elettronica LD-1825 (I band) (MM/SPN-753 and MM/SPN-754) - 1 x SICRAL 1, 1B and 2 satellite communication system other satellite communication systems Prometheus: - 1 x Raytheon surface radar AN/SPS-10D (G band)[1] - 2 x navigation radar GEM Elettronica LD-1825 (I band)
Electronic warfare & decoys	Prometheus: - AN/SLQ-25 Nixie decoy
Armament	Etna: - 2 x OTO Melara - Oerlikon KBA 25/80 mm - Machine Guns: 2 x Browning M2HB 12.7 mm Prometheus: - 1 x CIWS Vulcan Phalanx Mk 15 Mod.12 20 mm (+1 to be fitted) - 4 x Rheinmetall 20 mm - Machine Guns: 2 x Browning M2HB 12.7 mm; 6 x 0.30 in (7.6 mm ), 2 x MG-3 7.62 mm
Aviation facilities	- flight deck 28 m (92 ft) x 21 m (69 ft), for SH-90 and AW-101 or ΑΒ-212 ASW and Sikorsky S-70B6 SeaHawk - hangar for 1 x AW-101 helicopter
Notes	- 4 x RAS (Replenishment At Sea) Hepburn systems - 1 x RAS aft station for the supply of oil

The Etna class^[2] is a ship class of two naval replenishment and logistic support ships used by the Italian Navy^[3] and by the Greek Navy^[4] The two ships are almost identical but they have differences in their armament and sensor equipment.