Oto Melara Breda 40/L70 DARDO CIWS close-in weapon system

Surface Vessel Weapon System
Oto-Melara / OtoBreda 40L70 DARDO
twin 40mm close-in weapon system (compact or 'fast forty')

oto melara breda 40/l70 dardo close-in weapon system ciws 40mm 70-caliber twin navy ship 04

08/22

DARDO ("Dart" in Italian) is a close-in weapon system (CIWS) built by the Italian companies Breda and Oto Melara. It is composed of two Breda-built Bofors 40 mm firing high explosive (HE) shells, a fire-control radar (RTN-10X) and a fire-control system (RTN-20X and Dardo). It is the last of a long series of Italian anti-aircraft weapons derived from the Swedish Bofors 40 mm autocannons (mounted on Breda built gun mounts such as the Type 64, Type 106, Type 107, Type 564 and Type 520).

The system's primary purpose is to defend against anti-ship missiles, unmanned aerial vehicles and other precision guided weapons. It can also be employed against conventional and rotary-wing aircraft, surface ships, small water-crafts, coastal targets and floating mines.

DARDO is installed in an enclosed turret with two different mounts:
- Type A with 440-round internal and 292-round under-deck magazines
- Type B with only the 440-round internal magazine (Type B requires no deck penetration).

The mount can be upgraded with the installation of the “fast-forty” recoiling mass.

The 'Fast Forty' is an improved version of the system with a higher rate of fire, dual magazine and dual feed mechanism to allow switching from hight-explosive (HE) to armour-piercing fin-stabilized discarding sabot (APFSDS) rounds when a missile gets within 1,000 meters from the vessel.

Technical data:
Caliber: 40 mm
Barrel: 2 x Breda built Bofors 40mm/L70
Weight, Type A: without ammunition: 5600 kg / with ammunition: 7400 kg
Weight, Type B: without ammunition: 5400 kg / with ammunition: 6500 kg
Ammunition capacity, Type A: 736 round magazine
Ammunition capacity, Type B: 444 round magazine
Elevation: - 13° to + 85°
Traverse: 360°
Rate of fire: 600 rounds per minute (compact) / 900 rounds (fast forty)
Range: 4000 meters effective / 12500 meters maximal, horizontal / 8700 meters maximal, height

Used on:
Italian Navy and more than 20 international Navy ships

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