Etna-class cruiser (1941)

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An Etna-class cruiser
Class overview
Name	Etna class
Builders	C.R.D.A., Trieste
Operators	Regia Marina  Royal Thai Navy
Built	1939–1942
Planned	2
Completed	0
Lost	2
General characteristics
Type	Cruiser
Displacement	5,900 long tons (6,000 t) standard
Length	153.8 m (504 ft 7 in) overall
Beam	14.47 m (47 ft 6 in)
Draught	5.95 m (19 ft 6 in)
Propulsion	2 shaft geared turbines 3 boilers 40,000 hp (29,800 kW)
Speed	28 knots (52 km/h; 32 mph)
Complement	580
Armament	(as redesigned for Italy) 3 × twin 135 mm (5.3 in)/45 OTO-Ansaldo 1938 guns 10 × 65 mm (2.6 in)/64 Ansaldo-Terni 1939 AA guns 10 × twin 20 mm (0.8 in)/65 Breda 1935 AA guns
Armour	Belt 60 mm (2.4 in) Deck 20–35 mm (0.8–1.4 in)

The Etna class were two cruisers originally ordered in Italy for the Thai Navy in 1938 and subsequently requisitioned for service by the Italian Navy on the outbreak of World War II, neither ship was completed and the damaged hulls were scrapped after the war.