Italian landing helicopter dock Trieste

Trieste in La Spezia following her delivery on December 7, 2024.
History
Italy
NameTrieste
NamesakeTrieste, a city and seaport in northeastern Italy
Awarded3 July 2015
BuilderFincantieri, Castellammare di Stabia, Naples, Italy; Cantiere navale del Muggiano, La Spezia, Italy
Cost€ 1.171 billion
Yard number6260
Laid down20 February 2018
Launched25 May 2019
Sponsored byLaura Mattarella
Commissioned7 December 2024
IdentificationPennant number: L9890
General characteristics
TypeLanding helicopter dock
Displacement38,000 t (37,000 long tons) full load
Length
  • 245 m (803 ft 10 in) LOA
  • 213.4 m (700 ft 2 in) LPP
Beam47 m (154 ft 2 in)
Depth7.2 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
Range7,000 nmi (13,000 km; 8,100 mi) to 16 knots (30 km/h; 18 mph)
Endurance30 days
Complement
  • 460 crew
  • 604 marines component
  • (max 1043 + 21)
Sensors &
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
Aircraft carriedusually 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

The LHD Trieste is a multi-purpose landing helicopter dock (LHD) of the Italian Navy. The ship replaced the aircraft carrier Giuseppe Garibaldi and is 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. On 7 December 2024, the ship was commissioned at the Italian Navy's base in Livorno.