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Impetuoso-class destroyer

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Italian Navy ship class

Class overview

Impetuoso alongsideUSS Kalamazoo in the Mediterranean Sea in June 1977


Name	Impetuoso class
Builders	Cantiere navale di Riva Trigoso Cantiere navale fratelli Orlando
Operators	Italian Navy
Preceded by	San Giorgio class
Succeeded by	Impavido class
Built	1952–1958
In commission	1958–1983
Completed	2
Retired	2


General characteristics
Type	Destroyer
Displacement	2,775 tons standard 3,810 tons full load
Length	127.6 m (418 ft 8 in)
Beam	13.2 m (43 ft 4 in)
Draught	4.5 m (14 ft 9 in)
Propulsion	2 shaft geared turbines 4 × Foster Wheeler boilers providing 65,000 hp (48,000 kW)
Speed	34knots (63 km/h; 39 mph)
Range	3,000 nmi (5,600 km; 3,500 mi) at 16 kn (30 km/h; 18 mph)
Complement	315
Sensors & processing systems	SPS-6 air-search radar SG-6B surface-search radar SPG-25 and SPG-34 fire control radar SQS-4 search sonar
Electronic warfare & decoys	WLR-1 ESM (onlyImpetuoso by 1980)
Armament	2 × twin127 mm/38 caliber gun 2 × quadBofors 40 mm/60 guns 4 × twin Bofors 40 mm/60 guns 1 × 305 mmMenon ASW mortar 2 × triple 12.75-inch (324 mm) torpedo launchers withMark 44 torpedoes

TheImpetuoso class were the first post-World War II destroyers built for theItalian Navy. The two ships were ordered in February 1950, entered service in 1958 and were retired in the early 1980s.^[1]

Design

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TheImpetuoso class hull design was based on the uncompleted World War IIComandanti Medaglie d'Oro-class destroyer.^[1] The class has a length of 127.6 m (419 ft) withlength between perpendiculars of 123.4 m (405 ft), a beam of 13.2 m (43 ft), with a draught of 4.5 m (15 ft), and their displacement were 2,775long tons (2,820 t) standard and 3,810long tons (3,870 t) at full load. The ships was powered by two-shaft geared steam turbines with fourFoster Wheeler boilers, with total power output of 65,000 shaft horsepower (48 MW).Impetuoso class has a maximum speed of 34 knots (63 km/h), with range of 3,000 nautical miles (5,600 km) while cruising at 16 knots (30 km/h).^[1] The ships has a complement of 315 personnel.^{[citation needed]}

The class were armed with four5-inch (127 mm)/38 caliber guns in two twin-gun turrets, 16Bofors 40 mm/60 guns consisted of two quad-mounts and four twin-mounts, and one 305 mmMenon anti-submarine mortar. They were also armed with two fixed 533-millimetre (21 in)torpedo tubes, which was later replaced by two 12.75-inch (324 mm) triple-tubes withMark 44 torpedoes.^[1] There was a proposed modernization program in the late 1960s for the ships to be rearmed with a single lightweight5"/54 caliber Mark 45 gun forward andRIM-24 Tartar surface-to-air missile launcher in the aft.^[1]

The ships electronics and sensors consisted ofSPS-6 air-search radar, SG-6B surface-search radar, SPG-25 and SPG-34 fire control radar, and SQS-11 search sonar, which was later replaced with SQS-4 sonar.^[1] As of 1980,Impetuoso was equipped withWLR-1 electronic support measure system with noise jammer, whileIndomito appears to be not equipped with any electronic warfare system.^[1]

Ships

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Name	Pennant number	Builder	Laid down^[1]	Launched^[1]	Commissioned^[1]	Fate^[1]
Impetuoso	D 558	CNR,Riva Trigoso	7 May 1952	16 September 1956	25 January 1958	Stricken 1983
Indomito	D 559	Ansaldo, Livorno	24 April 1952	9 August 1955	23 February 1958	Stricken 3 November 1980

Aft view ofImpetuoso in May 1977

References

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^^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^kGardiner & Chumbley 1995, p. 206

Bibliography

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Gardiner, Robert; Chumbley, Stephen, eds. (1995).Conway's All the World's Fighting Ships 1947–1995. Annapolis, Maryland, USA: Naval Institute Press.ISBN 1-55750-132-7.

External links

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Wikimedia Commons has media related toImpetuoso class destroyer.

Destroyer Impetuoso Marina Militare website

v t e Impetuoso-class destroyers
Impetuoso Indomito
Preceded by:Comandanti Medaglie d'Oro class (planned) /Soldati class (actual) Followed by:Impavido class
List of destroyers of Italy

v t e Italian destroyers, frigates and corvette classes post-1945
Destroyers	Nicoloso da Recco (Navigatori) Grecale (Maestrale) Soldati Artigliere San Giorgio Impetuoso Impavido Fante Audace Durand de la Penne Orizzonte
Frigates	Aldebaran Centauro Bergamini Alpino Lupo Maestrale Soldati Orizzonte Bergamini
Corvettes	Antilope Gabbiano Alabarda Aldebaran Albatros Sentinella Pietro de Cristofaro Minerva

v t e Ship classes of theItalian Navy
Aircraft carriers	Cavour^S Giuseppe Garibaldi^S
Amphibious ships	Trieste^S San Giorgio class LCM62 class MTM217 class MTP96 class
Destroyers	Nicoloso da Recco (Navigatori class)^C Grecale (Maestrale class)^C Granatiere (Soldati class)^C Artigliere class (Benson/Gleaves class)^X Fante class (Fletcher class)^X San Giorgio class Impetuoso class Impavido class Audace class Durand de la Penne class Orizzonte class
Frigates	Aldebaran class (Cannon class)^X Centauro class Bergamini class Alpino class Lupo class Maestrale class Soldati class Bergamini class
Corvettes	Antilope class Gabbiano class^C Alabarda^S Albatros class Sentinella^S Pietro De Cristofaro class Minerva class
Patrol boats	Thaon di Revel class (PPA) Cabrini class (UNPAV) Comandanti class Cassiopea class Sirio class Esploratore class
Submarines	Enrico Tazzoli class (Gato class)^X Evangelista Torricelli class (Balao class)^X Gianfranco Gazzana-Priaroggia class (Tench class)^X Livio Piomarta class (Tang class)^X Marconi class Toti class Sauro class Todaro (Type 212)^X SRV-300^S
Minesweepers	Gaeta class Lerici class
Auxiliary ships	Vulcano class Etna class Stromboli class Anteo^S Marino class Elettra^S Alliance^S Leonardo^S Ammiraglio Magnaghi^S Ninfe class Rossetti class Simeto class Bormida^S Panarea class Gorgona class Ponza class GGS 1012 class Atlante class Ciclope class RP 101 class RP 113 class RP 118 class Ercole^S Porto class Cheradi^S Argo^S
Training ships	Amerigo Vespucci Palinuro Italia Orsa Maggiore Caroly Capricia Stella Polare Corsaro II
Floating dry docks	GO 59 GO 58 GO 55 GO 52 GO 22 GO 20 GO 11
Future ships	USSP UIOM DDX
S Single ship of class C Served in World War II X Imported

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