Italian landing helicopter dock Trieste

	Trieste at Castellammare di Stabia, Italy in 2020
History
Italy
Name	Trieste
Namesake	Trieste, a city and seaport in northeastern Italy
Awarded	3 July 2015
Builder	Fincantieri, Castellammare di Stabia, Naples, Italy
Cost	€ 1.171 billion
Yard number	6260
Laid down	20 February 2018
Launched	25 May 2019
Sponsored by	Laura Mattarella
Commissioned	Spring 2024 (Projected)
Identification	Pennant number: L9890
Status	Sea trials
General characteristics
Type	Landing helicopter dock
Displacement	38,000 t (37,000 long tons) full load
Length	245 m (803 ft 10 in) LOA; 213.4 m (700 ft 2 in) LPP;
Beam	47 m (154 ft 2 in)
Depth	7.2 m (23 ft 7 in)
Propulsion	CODOG scheme + electric engines; 2 × Rolls-Royce MT30 gas turbines providing 76,000 kW (102,000 hp); 2 × MAN 20V32/44CR diesel engines, 24,000 kW (32,000 hp); 4 × diesel engines generators MAN 9L32/44CR, 20,960 kW (28,110 hp); 2 × 2,250 kW (3,020 hp) electric engines ; 2 × shaft;
Speed	25 knots (46 km/h; 29 mph) on TAGs; 18 knots (33 km/h; 21 mph) on diesel engines; 10 kn (19 km/h; 12 mph) on electric engines;
Range	7,000 nmi (13,000 km; 8,100 mi) to 16 knots (30 km/h; 18 mph)
Endurance	30 days
Complement	460 crew; 604 marines component ; (max 1043 + 21);
Sensors and ; processing systems	Leonardo CMS SADOC Mk4; 1 × Leonardo Kronos Dual Band, AESA 3D DBR 4FF, only with X-band radar (Kronos StarFire); 1 × Leonardo Kronos Power Shield, AESA LRR L-band radar ; 1 × Leonardo conformal IFF; 1 × Leonardo Black Snake, anti torpedo towed array sonar; 1 × TACAN; 1 × PAR (Precision Approach Radar) Leonardo SPN-720;
Electronic warfare ; & decoys	integrated EW System by Elettronica Spa with RESM/RECM/CESM and ELINT/COMINT capabilities
Armament	3 × Oto Melara 76 mm/62 Strales anti-aircraft guns; 3 × OTO Melara 25/80 RCWS with Oerlikon KBA 25 mm; 2 × Oto Melara ODLS-20 (decoys launchers); FFBNW 2 × 8-cell SYLVER A50 VLS for 16 Aster 15 and 30 missiles or 32 CAMM ER missiles;
Aircraft carried	usually 12 × AgustaWestland AW101 or combination with SH90A, AgustaWestland AW129D and F-35B
Notes	50 m × 15 m (164 ft 1 in × 49 ft 3 in) dock, for 4 × 70 t LCU or 1 LCAC; 55 m × 18 m (180 ft 5 in × 59 ft 1 in) garage decks for vehicles (1,200 m (3,937 ft 0 in) for parking vehicles); 21 m (68 ft 11 in) (25 m × 107 m (82 ft 0 in × 351 ft 1 in)) hangar (up to 2,600 m2 (28,000 sq ft)) for up to 14 AgustaWestland AW101 or combination with SH90A, AgustaWestland AW129D and F-35B (or 530 m (1,738 ft 10 in) for parking vehicles); flight deck 230 m × 36 m (754 ft 7 in × 118 ft 1 in); flight deck with up to 9 spots for AW101 or combination with SH90A helicopters, AgustaWestland AW129D; Role 2E NATO standard hospital (700 m2 (7,500 sq ft)) with 28 beds;

Trieste is a multi-role amphibious unit of the Italian Navy, officially classified as a landing helicopter dock (amphibious assault helicopter carrier), it will be the largest vessel in the Italian fleet. It was ordered as part of the 2014–2015 naval program and was built at the Castellammare di Stabia shipyards of Fincantieri.

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